Shows
Dare to KnowWhy Domestic Chores Matter Less to MenDomestic chores overwhelmingly fall to women in most households. Find out the psychology behind this disparity and why it doesn’t give men a free pass to avoid housework.
This episode is also available as a blog post: http://daretoknow.ca/2022/12/23/why-domestic-chores-matter-less-to-men/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2022-12-2306 min
Dare to KnowBiodiversity Conference Commits to Protect 30% of Natural WorldA UN biodiversity conference called COP15 has ended with a deal involving 196 countries. Find out why environmentalists are hailing it as a landmark agreement, and what it will take to put its terms in place.
This episode is also available as a blog post: http://daretoknow.ca/2022/12/19/biodiversity-conference-commits-to-protect-30-of-natural-world/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2022-12-2007 min
Dare to KnowArtemis I On Its Way Back HomeArtemis I is NASA’s ongoing, uncrewed test mission to the moon and back. Find out what the mission has accomplished so far, and about the plans for slashdown this Sunday, December 11.
This episode is also available as a blog post: http://daretoknow.ca/2022/12/09/artemis-i-on-its-way-back-home/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2022-12-0905 min
Dare to KnowMusic Training Improves Brain Function and MoodMusic training has been a recognized mental health treatment since the dawn of time. Find out how a new study shows that learning to play an instrument improves our cognition while relieving depression, anxiety and stress.
This episode is also available as a blog post: http://daretoknow.ca/2022/12/02/music-training-improves-brain-function-and-mood/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2022-12-0305 min
Dare to KnowReforestation Plans Require More than Saying “Plant More Trees”Reforestation plans play a central role in global strategies to solve the climate crisis. Find out why simply getting millions of saplings into the ground doesn’t deliver long-term success.
This episode is also available as a blog post: http://daretoknow.ca/2022/11/25/reforestation-plans-require-more-than-saying-plant-more-trees/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2022-11-2607 min
Dare to KnowArtemis I On Its Way to the MoonArtemis I is a 26-day, uncrewed mission to travel around the moon and return to Earth. Find out how the powerful SLS rocket finally got off the ground and what the mission hopes to accomplish.
This episode is also available as a blog post: http://daretoknow.ca/2022/11/18/artemis-i-on-its-way-to-the-moon/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2022-11-1806 min
Dare to KnowScreen Time Better for Teens than DisconnectionScreen time worries many parents, who fear it interferes with social development. Find out why a new study shows that restricted Internet access is more detrimental to teen self-esteem.
This episode is also available as a blog post: http://daretoknow.ca/2022/11/12/screen-time-better-for-teens-than-disconnection/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2022-11-1307 min
Dare to KnowCOP27 – What’s at Stake for the Climate and the PlanetCOP27, the UN’s annual meeting on climate change, starts November 6. Find out what’s on the agenda and why success at this gathering is essential to humanity’s future.
This episode is also available as a blog post: http://daretoknow.ca/2022/11/04/cop27-whats-at-stake-for-the-climate-and-the-planet/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2022-11-0506 min
Dare to KnowDark Energy Measured More Precisely than EverDark energy is the term scientists use to describe the cause of the accelerated expansion of the universe. Find out how a new analysis provides its most precise measurement yet.
This episode is also available as a blog post: http://daretoknow.ca/2022/10/28/dark-energy-measured-more-precisely-than-ever/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2022-10-2906 min
Dare to KnowIsraeli Occupation of Palestine Violates International Law – Commission of InquiryThe Israeli Occupation of Palestine is the subject of a new report issued by the United Nations this week. Find out why it concludes that the occupation is illegal and what this means for the long-term resolution of the Israeli-Palestinian conflict.
This episode is also available as a blog post: http://daretoknow.ca/2022/10/25/israeli-occupation-of-palestine-violates-international-law-commission-of-inquiry/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2022-10-2608 min
Dare to KnowUrban Green Space Reduces Property and Violent CrimeUrban green space improves quality of life for residents, but it can also create hot spots for criminal activity. Find out how a new study shows that overall, parks, gardens and fields lower crime risk.
This episode is also available as a blog post: http://daretoknow.ca/2022/10/16/urban-green-space-reduces-property-and-violent-crime/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2022-10-1605 min
Dare to KnowEcosystem Stability Determined by Two Simple FactorsEcosystem stability has three phases, a bit like ice, water and steam. Find out how a new study explains how ecologists could predict these phases by gathering only two simple pieces of information.
This episode is also available as a blog post: http://daretoknow.ca/2022/10/09/ecosystem-stability-determined-by-two-simple-factors/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2022-10-1006 min
Dare to KnowDART Mission Demonstrates NASA’s Planetary Defense StrategyThe DART mission successfully struck an asteroid 11 million kilometres away with a spacecraft. Find out why this achievement demonstrates how humanity could one day protect and preserve life on Earth.
This episode is also available as a blog post: http://daretoknow.ca/2022/09/30/dart-mission-demonstrates-nasas-planetary-defense-strategy/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2022-10-0106 min
Dare to KnowNature Walks Benefit Both Mind and BodyNature walks are among the best ways to stay in shape. Find out why a new study found that strolling in natural settings also has essential mental health benefits.
This episode is also available as a blog post: http://daretoknow.ca/2022/09/23/nature-walks-benefit-both-mind-and-body/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2022-09-2406 min
Dare to KnowEuropean Rivers Drying Up from Climate ChangeEuropean rivers are at their lowest levels in over 500 years. Find out why this is a problem for the global economy and for ecosystems throughout Europe.
This episode is also available as a blog post: http://daretoknow.ca/2022/09/16/european-rivers-drying-up-from-climate-change/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2022-09-1605 min
Dare to KnowSpiraling Stars Help Explain Early UniverseSpiraling stars in the Small Magellanic Cloud are the subject of a recent study in ‘The Astrophysical Journal.’ Find out how their spiral motions help explain the “baby boom” of star formation shortly after the Big Bang.
This episode is also available as a blog post: http://daretoknow.ca/2022/09/09/spiraling-stars-help-explain-early-universe/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2022-09-1006 min
Dare to KnowBeaver Fossil Sheds Light on Mammal EvolutionA beaver fossil found in western Montana is the oldest such specimen ever discovered. Find out how this 30-million-year-old missing link is helping to explain the astonishing diversity in mammal species on our planet.
This episode is also available as a blog post: http://daretoknow.ca/2022/08/26/beaver-fossil-sheds-light-on-mammal-evolution/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2022-09-0305 min
Dare to KnowUN Report Cites “Serious Human Rights Violations” in ChinaA UN report holds China accountable for “serious human rights violations” in its Xinjiang province. Find out what the allegations entail and how China is responding to the findings.
This episode is also available as a blog post: http://daretoknow.ca/2022/09/02/un-report-cites-serious-human-rights-violations-in-china/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2022-09-0307 min
Dare to KnowLunar Meteorites May Help Explain Moon's FormationLunar meteorites are very rare rocks that scientists sometimes discover in Antarctica or deserts. Find out how a new study of the trace gases they contain has shed light on the origins of the moon and the Earth.
Also available as a blog post at http://daretoknow.ca/2022/08/19/lunar-meteorites-help-explain-moons-formation/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2022-08-2306 min
Dare to KnowJames Lovelock: Remembering the Gaia Hypothesis FounderJames Lovelock passed away recently at the age of 103. Find out how his Gaia hypothesis led a generation to a new understanding of the world and our place in it.
This episode is also available as a blog post: http://daretoknow.ca/2022/08/12/james-lovelock-remembering-the-gaia-hypothesis-founder/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2022-08-1207 min
Dare to KnowDwarf Galaxies Contradict Dark Matter ParadigmDwarf galaxies contain less than ten percent of the stars in the Milky Way. Find out how their behaviour in a region called the Fomax Cluster challenges dark matter's existence.
This episode is also available as a blog post: http://daretoknow.ca/2022/08/05/dwarf-galaxies-contradict-dark-matter-paradigm/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2022-08-0606 min
Dare to KnowHealthy Environment a Human Right, UN DeclaresA healthy environment is a human right and vital to the enjoyment of other rights, according to a new UN General Assembly resolution. Find out why this is both a cause for celebration and a call to action.
This episode is also available as a blog post: http://daretoknow.ca/2022/07/29/healthy-environment-a-human-right-un-declares/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2022-08-0307 min
Dare to KnowMonarch Butterfly Added to Engangered Species ListMonarch Butterfly populations have been devastated over the last past few decades. Find out why the IUCN had added these iconic pollinators to the endangered species list and how scientists are working to save them from extinction.
This episode is also available as a blog post: http://daretoknow.ca/2022/07/24/monarch-butterfly-added-to-engangered-species-list/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2022-07-2506 min
Dare to KnowJames Webb Space Telescope Photos are SpectacularThe James Webb Space Telescope revealed its first four images this week. Find out what these images depict and their signifcance in understanding the universe and humanity's place within it.
This episode is also available as a blog post: http://daretoknow.ca/2022/07/15/james-webb-space-telescope-photos-are-spectacular/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2022-07-2507 min
Dare to KnowPlanets with Water Aren’t Always Earth-LikePlanets with water are the main targets for scientists' search for life on other worlds. Find out how a new study shows that these planets can be very different from Earth.
This episode is also available as a blog post: http://daretoknow.ca/2022/07/08/planets-with-water-arent-always-earth-like/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2022-07-1506 min
Dare to Know‘Older and Wiser’ – A reviewOlder and Wiser is a book by Dag Sebastian Ahlander aimed at baby boomers who are planning their retirement. Find out how this lighthearted and entertaining read can help us boomers "create an inner peace and make us wiser."
This episode is also available as a blog post: http://daretoknow.ca/2022/07/01/older-and-wiser-a-book-review/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2022-07-1506 min
Dare to KnowHuman-Wildlife Conflict Aggravated by Climate CrisisHuman-wildlife conflict is becoming an increasing concern as human activity encroaches on natural habitats due to climate change. Find out how a new study involving elephants shows how we can plan for and minimize these tensions in the future.
This episode is also available as a blog post: http://daretoknow.ca/2022/06/24/human-wildlife-conflict-aggravated-by-climate-crisis/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2022-07-1505 min
Dare to KnowPlanetary Formation in the NewsPlanetary formation made the news in three different ways this week. Find out how surprising results from studies of a meteorite, a debris field and the planet Venus all shed new light on our own planet's deep history.
This episode is also available as a blog post: http://daretoknow.ca/2022/06/17/planetary-formation-in-the-news/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2022-06-1808 min
Dare to KnowConsumer Choices Don’t Always Make SenseConsumer choices are supposed to be based on rational self-interest. Find out how a new study explains why we often make sub-optimal decisions that barely meet our needs.
This episode is also available as a blog post: http://daretoknow.ca/2022/06/10/consumer-choices-dont-always-make-sense/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2022-06-1806 min
Dare to KnowSafeguarding Biodiversity Means Conserving 44% of Earth’s LandSafeguarding biodiversity is crucial for the survival of Humanity and the entire ecosphere. Find out why new research calls for governments to increase global land conservation from 17% to 44% if we’re serious about preserving Earth’s ecosystems.
This episode is also available as a blog post: http://daretoknow.ca/2022/06/04/safeguarding-biodiversity-means-conserving-44-of-earths-land/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2022-06-1813 min
Dare to KnowGalaxies Without Dark Matter Might Form From CollisionsGalaxies without dark matter are rare and were once thought impossible. Find out how a new hypothesis about their formation may explain how all galaxies form and what dark matter is.
This episode is also available as a blog post: http://daretoknow.ca/2022/05/25/galaxies-without-dark-matter-might-form-from-collisions/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2022-05-2606 min
Dare to KnowHealthy Sleep Helps Us Process Our EmotionsHealthy sleep always makes us feel better the next day. Find out how a recent discovery may lead to more effective treatments for mood disorders, PTSD and other mental illnesses.
This episode is also available as a blog post: http://daretoknow.ca/2022/05/15/healthy-sleep-helps-us-process-our-emotions/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2022-05-2606 min
Dare to KnowProposed Anthropocene Epoch Seeks Formal ApprovalA proposed Anthropocene epoch will be reviewed this month and possibly approved by the end of this year. Find out which sites are contending to be the epoch’s “golden spike” and the prospects of its final approval.
This episode is also available as a blog post: http://daretoknow.ca/2022/05/09/proposed-anthropocene-epoch-seeks-formal-approval/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2022-05-2606 min
Dare to Know‘Black Widow’ Binary Star Found – Shortest Orbit EverBlack widow binary stars consist of a neutron star consuming a nearby companion star. Find out how scientists used a new technique to find one of these rare systems, and why their discovery has two other unique characteristics.
This episode is also available as a blog post: http://daretoknow.ca/2022/05/05/black-widow-binary-star-found-shortest-orbit-ever/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2022-05-0905 min
Dare to KnowDiet-Size Relationship in Animals Disturbed by HumansThe diet-size relationship is a universal principle in the animal kingdom that dates back millions of years. Find out how human activity is disturbing that principle's balance and the implications for species extinction.
This episode is also available as a blog post: http://daretoknow.ca/2022/04/25/diet-size-relationship-in-animals-disturbed-by-humans/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2022-04-2707 min
Dare to KnowUN Human Rights Council Condemns Fake News and Hate SpeechThe UN Human Rights Council adopted a plan of action to combat disinformation last week. Find out why disinformation is more than just a nuisance, it's a threat to human rights and fundamental freedoms.
This episode is also available as a blog post: http://daretoknow.ca/2022/04/03/un-human-rights-council-condemns-fake-news-and-hate-speech/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2022-04-2705 min
Dare to KnowHubble Telescope Finds Most Distant Star Ever SeenThe Hubble Telescope has just located a star that's 12.9 billion light-years away. Find out why this discovery offers new insights into how our Universe began.
This episode is also available as a blog post: http://daretoknow.ca/2022/04/10/hubble-telescope-finds-most-distant-star-ever-seen/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2022-04-2704 min
Dare to KnowBelief in Evolution Promotes ToleranceBelief in evolution makes us more tolerant of those who seem different from ourselves. Find out how a new study confirms this and encourages teaching evolution in the classroom.
This episode is also available as a blog post: http://daretoknow.ca/2022/04/18/belief-in-evolution-promotes-tolerance/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2022-04-2704 min
Dare to KnowMale Dolphins Use Wingmen to Find MatesMale dolphins are healthier and live longer when they have a network of male friends. Find out how a new study revealed that this popularity also makes them more likely to find mates.
This episode is also available as a blog post: http://daretoknow.ca/2022/03/27/male-dolphins-find-mates-using-wingmen/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2022-04-2704 min
Dare to KnowWebb Telescope Optics Meet ExpectationsThe James Webb Space Telescope team has announced that they've completed a key stage in deploying its primary mirror. Find out why NASA now confirms that the telescope's audacious design will deliver on its demanding science goals.
This episode is also available as a blog post: http://daretoknow.ca/2022/03/20/webb-telescope-optics-meet-expectations/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2022-04-2705 min
Dare to KnowPlanet with Two Suns Detected by Ground-Based TelescopeThis episode is also available as a blog post: http://daretoknow.ca/2022/02/27/planet-with-two-suns-detected-by-ground-based-telescope/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2022-04-2705 minDare to KnowCo-Worker Support Drives Employee CreativityThis episode is also available as a blog post: http://daretoknow.ca/2022/02/20/co-worker-support-drives-employee-creativity/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2022-04-2705 minDare to KnowInvasive Plants Cause More Problems with Climate ChangeThis episode is also available as a blog post: http://daretoknow.ca/2022/02/13/invasive-plants-cause-more-problems-with-climate-change/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2022-04-2704 minDare to KnowMoons May Guide Us to Life on Other PlanetsThis episode is also available as a blog post: http://daretoknow.ca/2022/02/04/moons-may-guide-us-to-life-on-other-planets/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2022-04-2705 minDare to KnowSleep Problems Threaten Nurses’ Mental HealthThis episode is also available as a blog post: http://daretoknow.ca/2022/01/31/sleep-problems-threaten-nurses-mental-health/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2022-04-2706 minDare to KnowTruth and Reconciliation Day – “There Is No Try”This episode is also available as a blog post: http://daretoknow.ca/2021/09/30/truth-and-reconciliation-day-there-is-no-try/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2022-04-2707 minDare to KnowWarmest Eight Years on RecordThis episode is also available as a blog post: http://daretoknow.ca/2022/01/22/warmest-eight-years-ever/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2022-04-2706 minDare to KnowJames Webb Space Telescope Unfolds Its MirrorThis episode is also available as a blog post: http://daretoknow.ca/2022/01/09/james-webb-space-telescope-unfolds-its-mirror/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2022-04-2706 minDare to KnowLanguage Skills: How Do We Get Them?This episode is also available as a blog post: http://daretoknow.ca/2021/09/26/language-skills-how-do-we-get-them/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2022-04-2706 minDare to KnowCoral Reefs Need Reforestation to Stop Sediment Run-OffThis episode is also available as a blog post: http://daretoknow.ca/2021/09/18/coral-reefs-need-reforestation-to-stop-sediment-run-off/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2022-04-2705 minDare to KnowExotic Fourth State of Matter on the SunThis episode is also available as a blog post: http://daretoknow.ca/2019/05/27/exotic-fourth-state-of-matter-on-the-sun/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2022-04-2704 minDare to KnowIPCC Climate Change Report Upstaged by UkraineThis episode is also available as a blog post: http://daretoknow.ca/2022/03/06/ipcc-climate-change-report-upstaged-by-ukraine/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2022-04-2707 min
Dare to KnowLangmansoren Woman Brought to Life After 4,000 YearsThe Langmansoren Woman lived 4,000 years ago in Northeastern Sweden. Find out how an archeological artist has reconstructed her face and forged a human connection with her remains.
This episode is also available as a blog post: http://daretoknow.ca/2022/03/13/langmansoren-woman-broght-to-life-after-4000-years/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2022-03-1304 min
Dare to KnowPlanet Formation Clarified by Young Star SystemPLANET FORMATION CLARIFIED BY YOUNG STAR SYSTEM
Planet formation remains one of the mysteries of astrophysics. Find out how a new study sheds light on the process and offers a new method for future research in the field.
This episode is also available as a blog post: http://daretoknow.ca/2021/08/21/planet-formation-clarified-by-young-star-system/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2021-08-2206 min
Dare to KnowCosmic Queries – A ReviewCOSMIC QUERIES – A REVIEW
Cosmic Queries is a new book written by Neil DeGrasse Tyson and James Trefil and published by National Geographic. Find out how this book balances education and entertainment in a highly readable volume.
This episode is also available as a blog post: http://daretoknow.ca/2021/08/18/cosmic-queries-a-review/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2021-08-2205 min
Dare to KnowGrizzly Bear DNA Matches Indigenous Human LanguagesGRIZZLY BEAR DNA MATCHES INDIGENOUS HUMAN LANGUAGES
Grizzly bears and humans have very similar needs in terms of diet and habitat. Find out about a fascinating study’s connection between bear DNA and human language groups in British Columbia.
This episode is also available as a blog post: http://daretoknow.ca/2021/08/17/grizzly-bear-dna-matches-indigenous-human-languages/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2021-08-2212 min
Dare to KnowHubble Tension May Be LooseningHubble tension is the difference in results that scientists get when they try to measure the rate at which our Universe expands. Find out how a new study may have split the difference and loosened the tension between two camps of researchers.
This episode is also available as a blog post: http://daretoknow.ca/2021/07/19/hubble-tension-may-be-loosening/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2021-07-2205 min
Dare to KnowThe Sixth Extinction: An Unnatural History – A ReviewThe Sixth Extinction’ by Elizabeth Kolbert is a Pulitzer Prize winning overview of past and present mass extinctions. Discover why many scientists believe that humans are causing a new era of mass extinction today.
This episode is also available as a blog post: http://daretoknow.ca/2021/04/21/the-sixth-extinction-an-unnatural-history-a-review/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2021-07-2207 min
Dare to KnowBird Evolution Can Be Surprisingly FastBird evolution has helped scientists understand how natural selection works since the time of Darwin. Find out how a species of birds in Indonesia demonstrated how rapidly evolution can take place.
This episode is also available as a blog post: http://daretoknow.ca/2021/07/22/bird-evolution-can-be-surprisingly-fast/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2021-07-2206 min
Dare to KnowMars Helicopter ‘Ingenuity’ Takes FlightThe Mars Helicopter Ingenuity made the first powered, controlled flight on another planet today. Discover the challenges the flight overcame and the next steps for the mission.
This episode is also available as a blog post: http://daretoknow.ca/2021/04/19/mars-helicopter-ingenuity-takes-flight/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2021-04-2006 min
Dare to KnowBrain Cells Have Mysterious Self-Organizing AbilityBrain cells have both excitatory and inhibitory roles in transmitting neural signals. Discover how they can adapt within those roles and what that could mean for treating brain disorders.
This episode is also available as a blog post: http://daretoknow.ca/2021/04/06/brain-cells-have-mysterious-self-organizing-ability/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2021-04-0604 min
Dare to KnowLightning Strikes Vital to Origin of LifeLightning strikes have played a part in theories on the origin of life since Darwin. Discover how a new study sheds more light on the role of lightning in bringing life to our planet.
This episode is also available as a blog post: http://daretoknow.ca/2021/04/03/lightning-strikes-vital-to-origin-of-life/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2021-04-0405 min
Dare to KnowDark Energy: Dark Matter Magnetism?Dark energy is a hypothetical force that scientists rely on to explain why the Universe expands at an accelerating rate. Discover how a new theory challenges dark matter’s existence based on magnetism.
This episode is also available as a blog post: http://daretoknow.ca/2021/04/01/dark-energy-dark-matter-magnetism/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2021-04-0206 min
Dare to KnowOrigins: Cosmos, Earth and Mankind – A Review'Origins: Cosmos, Earth and Mankind’ is a classic work in the Big History movement. Discover how it outlines the evolution of the Universe and its meaning for our lives together.
This episode is also available as a blog post: http://daretoknow.ca/2021/03/27/origins-cosmos-earth-and-mankind-a-review/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2021-03-2807 min
Dare to KnowCopper Culture in North America is Older than We ThoughtThe “copper culture” lived near the Great Lakes and was among the world’s first peoples to forge metals. Discover why their culture moved on and how its discovery debunks racial stereotypes.
This episode is also available as a blog post: http://daretoknow.ca/2021/03/25/copper-culture-in-north-america-is-older-than-we-thought/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2021-03-2607 min
Dare to KnowLifeless Matter Needs Destruction to EvolveLifeless matter could only have evolved into self-replicating molecules by growing more complex. Discover how destruction might make this counterintuitive process conceivable.
This episode is also available as a blog post: http://daretoknow.ca/2021/03/22/lifeless-matter-needs-destruction-to-evolve/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2021-03-2206 min
Dare to KnowBig Bang Afterglow Showing How Galaxies FormThe Big Bang Afterglow is known as the Cosmic Microwave Background (CMB). Discover how combining CMB data with galactic observations is unlocking the secret of galaxy formation.
This episode is also available as a blog post: http://daretoknow.ca/2021/03/19/big-bang-afterglow-showing-how-galaxies-form/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2021-03-2006 min
Dare to KnowSubjective Memories Drive Our Decision-MakingSubjective memories are those vivid, emotional impressions we relive when recalling a past experience. Find out how they affect our decision-making and why they may not be in our best interest.
This episode is also available as a blog post: http://daretoknow.ca/2021/03/15/subjective-memories-drive-our-decision-making/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2021-03-1605 min
Dare to KnowAir Pollution and Greenhouse Gas Reductions Go TogetherAir pollution has a cooling effect on the atmosphere, while greenhouse gases cause global warming. Find out why both emission types must be cut in combination to preserve our environment.
This episode is also available as a blog post: http://daretoknow.ca/2021/03/13/air-pollution-and-greenhouse-gas-reductions-go-together/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2021-03-1306 min
Dare to KnowUniverse’s Expansion Rate Still Hard to Pin DownThe Universe’s expansion rate, the Hubble constant, is vital to understanding the Cosmos’ origin and fate. Find out how the latest technique for measuring the Hubble constant sheds new light on the past and future.
This episode is also available as a blog post: http://daretoknow.ca/2021/03/10/universes-expansion-rate-still-hard-to-pin-down/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2021-03-1107 min
Dare to KnowThe Canon: A Whirligig Tour of the Beautiful Basics of Science – A ReviewThe Canon is a playful book aimed at teaching adults basic science. Find out why the author felt readers needed this book and how it makes science fun again.
This episode is also available as a blog post: http://daretoknow.ca/2021/03/09/the-canon-a-whirligig-tour-of-the-beautiful-basics-of-science-a-review/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2021-03-0906 min
Dare to KnowCarbon Taxes Are the Best Way to Fight Climate ChangeCarbon taxes aren’t terribly popular in some circles, but they work. Find out what a new study found about the results of putting a price on carbon compared to other measures to combat the climate crisis.
This episode is also available as a blog post: http://daretoknow.ca/2021/03/06/carbon-taxes-are-the-best-way-to-fight-climate-change/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2021-03-0605 min
Dare to KnowBow and Arrow Technology and CultureThe bow and arrow is an ancient technology, and it takes great skill to make a bow. Find out what researchers discovered from interviews with expert bow makers from the hunter-gatherer Hadza people.
This episode is also available as a blog post: http://daretoknow.ca/2021/03/06/bow-and-arrow-technology-and-culture/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2021-03-0508 min
Dare to KnowGravitomagnetism: Does It Explain Away Dark Matter?Gravitomagnetism is the energy created by spinning objects in the fabric of spacetime. Find out why it may explain away the mysterious Dark Matter for which scientists have been searching unsuccessfully.
This episode is also available as a blog post: http://daretoknow.ca/2021/03/05/gravitomagnetism-does-it-explain-away-dark-matter/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2021-03-0406 min
Dare to Know‘The Sacred and the Profane’ – A Review'The Sacred and the Profane' is a classic book on the history of religion. Find out how it reveals the Universe, Nature and Humanity as our connections to the sacred.
This episode is also available as a blog post: http://daretoknow.ca/2021/02/28/the-sacred-and-the-profane-a-review/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2021-02-2807 min
Dare to KnowIndigenous Rights Debated While First Nations Lack Safe WaterIndigenous rights were the subject of new legislation in Canada’s parliament. Find out why practical steps to provide safe drinking water mean more to Canada’s First Nations communities.
This episode is also available as a blog post: http://daretoknow.ca/2021/02/25/indigenous-rights-debated-while-first-nations-lack-safe-water/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2021-02-2606 min
Dare to Know‘Making Peace with Nature’ Report Offers Sustainable Blueprint‘Making Peace with Nature’ is the title of a new report from the United Nations Environment Program (UNEP). Find out how it lays out a blueprint for solving our climate, biodiversity and pollution challenges.
This episode is also available as a blog post: http://daretoknow.ca/2021/02/24/making-peace-with-nature-report-offers-sustainable-blueprint/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2021-02-2506 min
Dare to KnowThe View from the Centre of the Universe – The New Story RetoldThe View From the Centre of the Universe is part of a sub-genre of interpretations of Thomas Berry’s essay, The New Story. Find out why the authors believe our current thinking needs a drastic change.
This episode is also available as a blog post: http://daretoknow.ca/2021/02/20/the-view-from-the-centre-of-the-universe-the-new-story-retold/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2021-02-2107 min
Dare to KnowMars Makes News Three Times This WeekMars was made the news three times this week as three countries arrived there within days of each other. Find out the objectives of each mission and their plans to learn about the Red Planet.
This episode is also available as a blog post: http://daretoknow.ca/2021/02/20/mars-makes-news-three-times-this-week/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2021-02-2107 min
Dare to KnowAlcoholism’s Brain Pathway Located By MRI ScansAlcoholism is a widespread yet poorly understood disease. Find out how a new study locates its roots in the brain and may lead to better treatment.
This episode is also available as a blog post: http://daretoknow.ca/2021/02/16/alcoholisms-brain-pathway-located-by-mri-scans/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2021-02-1706 min
Dare to KnowFood Waste Caused By Picky ConsumersFood waste is getting out of hand as consumers reject items with minor imperfections. Find out what’s behind our food choices and how we can improve our decision making.
This episode is also available as a blog post: http://daretoknow.ca/2021/02/15/food-waste-results-from-picky-consumers/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2021-02-1605 min
Dare to KnowSquare Kilometre Array Will Be World’s Largest Radio TelescopeThe Square Kilometre Array Observatory has received international approval. Find out why this megaproject signals an inspiring new era in global astronomy.
This episode is also available as a blog post: http://daretoknow.ca/2021/02/08/square-kilometre-array-will-be-worlds-largest-radio-telescope/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2021-02-0906 min
Dare to KnowHuman Tolerance Evolved from Living in Harsh ConditionsHuman tolerance sets us apart from other animals. Find out how a computer simulation shows that harsh conditions drove our ancestors’ self-domestication process.
This episode is also available as a blog post: http://daretoknow.ca/2021/02/06/human-tolerance-evolved-from-living-in-harsh-conditions/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2021-02-0706 min
Dare to KnowAnimal Movement Disruptions Threaten BiodiversityAnimal movement changes are the result of human disruption of ecosystems. Find out why these changes pose a threat to species survival and to global biodiversity.
This episode is also available as a blog post: http://daretoknow.ca/2021/02/04/animal-movement-disruptions-threaten-biodiversity/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2021-02-0505 min
Dare to KnowLast Journey Simulation Follows Matter Through UniverseThe Last Journey Simulation used Mira, one of the world’s most powerful supercomputers, to model how mass flows through our Universe. Find out how it breaks ground for future cosmological studies.
This episode is also available as a blog post: http://daretoknow.ca/2021/02/01/last-journey-simulation-follows-matter-through-universe/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2021-02-0206 min
Dare to KnowTidal Dwarf Galaxy Reveals Clues About Star FormationA tidal dwarf galaxy has been the target of an international research team. Find out how their discoveries challenge what we thought we knew about how stars form.
This episode is also available as a blog post: http://daretoknow.ca/2021/01/26/tidal-dwarf-galaxy-reveals-clues-about-star-formation/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2021-01-2706 min
Dare to KnowTrees and Plants Losing Capacity to Stop Climate ChangeTrees and plants absorb carbon dioxide, mitigating climate change. Find out why a new study concludes that this C02 fertilization effect is getting weaker.
This episode is also available as a blog post: http://daretoknow.ca/2020/12/19/trees-and-plants-losing-capacity-to-stop-climate-change/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2020-12-2007 min
Dare to KnowRadio Signals Detected From Planet Beyond Solar SystemRadio signals from an exoplanet have been detected by a team of radio astronomers. Find out how this discovery contributes to the search for life beyond Earth.
This episode is also available as a blog post: http://daretoknow.ca/2020/12/18/radio-signals-detected-from-planet-beyond-solar-system/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2020-12-1905 min
Dare to KnowThe Origins of Totalitarianism – A Human Rights Day Book ReviewInternational Human Rights Day is the perfect time to review a classic book. Find out why The Origins of Totalitarianism is rated one of the top non-fiction books of the 20th century.
This episode is also available as a blog post: http://daretoknow.ca/2020/12/13/international-human-rights-day-a-review-of-the-origins-of-totalitarianism/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2020-12-1408 min
Dare to KnowPatience: Where It Comes From and WhyPatience seems to be universally valued as a virtue. Find out how a new study sheds light on how our brains regulate our capacity to delay instant gratification.
This episode is also available as a blog post: http://daretoknow.ca/2020/12/08/patience-where-it-comes-from-and-why/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2020-12-0906 min
Dare to KnowWorld Soil Day Celebrates Healthy, Food Secure FutureWorld Soil Day celebrates the value of healthy soil. Find out what a new soil biodiversity report found on soil’s place in a sustainable future.
This episode is also available as a blog post: http://daretoknow.ca/2020/12/05/world-soil-day-celebrates-healthy-food-secure-future/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2020-12-0607 min
Dare to KnowFast Radio Burst Puzzle Solved by Using Four TelescopesFast radio bursts have puzzled astronomers since their discovery in 2007. Find out how scientists have revealed their origin and their variability.
This episode is also available as a blog post: http://daretoknow.ca/2020/12/01/fast-radio-burst-puzzle-solved-by-using-four-telescopes/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2020-12-0205 min
Dare to KnowNet-Zero Emissions Bill Breaks Trudeau’s Climate PledgeNet-Zero Emissions is the stated goal of a bill tabled this week in Ottawa. Find out why opposition parties are calling it an empty shell.
This episode is also available as a blog post: http://daretoknow.ca/2020/11/29/net-zero-emissions-bill-breaks-trudeaus-climate-pledge/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2020-11-3005 min
Dare to KnowDogmatic People Are Less Likely to Check Their FactsDogmatic people pose a problem. They resist ideas, and divide groups. Find out why eliminating dogmatism is more challenging than you might think.
This episode is also available as a blog post: http://daretoknow.ca/2020/11/26/dogmatic-people-are-less-likely-to-check-their-facts/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2020-11-2705 min
Dare to KnowArecibo Observatory Decommissioned After Second Cable BreaksThe Arecibo Observatory was already damaged when a main cable snapped. Find out why this closed the facility for good and what the plan is now.
This episode is also available as a blog post: http://daretoknow.ca/2020/11/24/arecibo-observatory-decommissioned-after-second-cable-breaks/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2020-11-2505 min
Dare to KnowRefugee Resettlement Hits Twenty Year LowRefugee resettlement worldwide hit a twenty year low due to the pandemic. Find out why the UN says this has to change by the end of the year.
This episode is also available as a blog post: http://daretoknow.ca/2020/11/20/refugee-resettlement-hits-twenty-year-low/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2020-11-2106 min
Dare to KnowWolves and Beavers are Vital to EcosystemsWolves and beavers interact throughout North America. Find out how their relationship has a profound impact on wetland habitats.
This episode is also available as a blog post: http://daretoknow.ca/2020/11/18/wolves-and-beavers-are-vital-to-ecosystems/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2020-11-1906 min
Dare to KnowWater on Mars: Where Does It All Go?Water on Mars has been escaping for at least a billion years. Find out how NASA’s MAVEN spacecraft has shed new light on why this happens.
This episode is also available as a blog post: http://daretoknow.ca/2020/11/17/water-on-mars-where-does-it-all-go/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2020-11-1805 min
Dare to KnowBeautiful Food Seems Healthier, Even When It’s NotBeautiful food images are imposed on us everywhere. Find out what researchers at USC recommend to avoid making poor food choices as a result.
This episode is also available as a blog post: http://daretoknow.ca/2020/11/15/beautiful-food-seems-healthier-even-when-its-not/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2020-11-1606 min
Dare to KnowRemembrance Day: A Day of Pride or Sorrow?Remembrance Day was oddly sunny and warm this year. I reflect on the history of Armistice Day and what it means for us a century later.
This episode is also available as a blog post: http://daretoknow.ca/2020/11/11/remembrance-day-a-day-of-pride-or-sorrow/
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Send in a voice message: https://podcasters.spotify.com/pod/show/david-morton-rintoul/message2020-11-1206 min