Shows
Shirtloads of ScienceRPT Ballooning for Dark Matter with Dr SirksWhy use a balloon to hunt the most elusive suff in the Universe? Dr Sirks takes Dr Karl through the history of Dark Matter and why astronomy is only part of the solution. Ep379 [Repeat] Dr Karl Dr Sirks
2025-04-0624 min
Shirtloads of ScienceIs AI telling lies with Dr Jessica Bloom (399)Dr Karl interviews Dr Bloom in NYC on the ethics of Artificial Intelligence. If AI delivers misinformation, how could we tell? Dr. Karl
2024-10-0624 min
Shirtloads of ScienceCorrections with Prof Lewis (385)Dr Karl fact checks with Professor Lewis. What is the current understood state of the Universe and how close is the end ? Geraint F Lewis Dr Karl.com
2024-05-2624 min
Shirtloads of ScienceFart Busting with Professor Collins (382)Dr Karl investigates the science of rear emissions with a dietetics Professor Clare Collins. How much per day? What makes them smell? What makes them feel hot? Prof Clare Collins Dr Karl
2024-05-0517 min
Shirtloads of ScienceThe Nymphageddon with Dr. Trebicki (381)Crops under attack, falling nutrition, viruses spread by Insects. Dr.Trebicki researches agriculture on a warming planet and the news is not great. Dr Karl addresses the myth that Carbon Dioxide is good for all plants. @PiotrTrebicki Dr Karl
2024-04-2822 min
Shirtloads of ScienceSolid State Logic with Dr Lang (380)Silicon chips are everywhere. Will they continue to multiply ? Does meeting carbon reduction targets rely on Solid State efficiency ? Dr Karl talks benefits and costs with Dr Lang. Dr Karl Dr Lang
2024-04-2119 min
Shirtloads of ScienceiFasting with prof Varady (377)One of the most popular diets today was studied by professor Varady over 20 years ago. She now teaches in Chicago. Dr Karl finds out why intermittent fasting is so successful. Dr Karl Prof Krista Varady
2024-03-3123 min
Shirtloads of ScienceDecoding Chaos #2 with Professor James (374)The observed Universe is very binary and occasionally poly. Professor James takes Dr Karl inside a collapsing star and suggests how the last ray of starlight will shine. Dr Karl Professor James
2024-03-1021 min
Shirtloads of ScienceThe Standard pt 2 with Professor Lewis (371)In part 2, Prof Lewis introduces Dr Karl to Quarks, Leptons and Bosons. It's a messy subatomic zoo and still our Standard Model of everything.Avoid brain pain and listen to part 1 first . Dr Karl Professor Geraint Lewis
2024-02-1825 min
Shirtloads of ScienceThe Standard pt 1 with Professor Lewis (370)The Standard Model for everything ... is full of weird names and strange numbers. In part 1, Prof Lewis explains to Dr Karl how we got into this mess and why this mess still holds true. Dr Karl Professor Geraint Lewis
2024-02-1120 min
Shirtloads of ScienceVaper Trails pt 2 Prof. Chapman (369)Vapes are 21st century inventions but the science of smoking and its dangers are well known. Prof. Chapman tells Dr Karl how Vapes are likely to be worse than tobacco, why "Puff Parameters" lead to such conclusions, and how lung cancer became a top killer. Dr Karl.com simonchapman6.com
2024-02-0424 minShirtloads of ScienceVaper Trails pt 1 with Prof. Chapman (368)On Jan 1st , Australians have new buying restrictions for vapes. Prof Chapman guides Dr Karl through the Science of Nicotine addiction, how to battle Big Tobacco and why access rules must change. Dr Karl.com simonchapman6.com
2024-01-2820 min
Shirtloads of ScienceMartian Bath Rings with Dr Adrian Brown from NASA (364)Salts prove Mars once had water. The rings tell us more about how and when this happened. Also the story of the lost chopper and how they found it. Dr Karl with first-hand accounts from Percy's driver. Adrian Brown Dr Karl
2023-11-2624 min
Shirtloads of ScienceKnot Maths with Professor Lisa Piccirillo (361)Dr Karl meets Assistant Professor Lisa Piccirillo who unravelled an age-old knotty problem with four dimensional topology. Professor Piccirillo will deliver the Simon Marais Memorial Lecture at The University of Sydney on 7 November, register here. Dr Karl Professor Lisa Piccirillo
2023-11-0520 min
Shirtloads of ScienceGene Therapy with Professor Alexander (347)Gene therapies are being approved for a growing number of conditions. Professor Alexander talks to Dr Karl about how they work and the decades of testing to make them safe. Prof. Ian Alexander Dr. Karl
2023-07-3031 min
Shirtloads of ScienceNet Zero with Aussie Research (346)Nature needs our help to beat global warming. Dr Karl consults Prof D'Alessandro about her team's work to pull carbon out of the air using solar power. Professor D'Alessandro Dr Karl
2023-07-2326 min
Shirtloads of ScienceInvisible Infrared: James Webb Space Telescope with Professor TuthillProfessor Peter Tuthill and Dr Karl live on stage at Sydney Ideas. They peel back how and why the James Webb Space Telescope (our Infrared Eye in the sky) has keys for survival. Earth is already out of balance with an extra 600,000 Hiroshima atom-bombs of heat every day. The good news? Climate change is measurable and can be stopped. Audio Podcast edited for listening pleasure. Sydney Ideas event and video: https://www.sydney.edu.au/engage/events-sponsorships/sydney-ideas/2022/peter-tuthill-karl-kruszelnicki-invisible-infared.html drkarl.com
2022-11-0652 min
Shirtloads of ScienceBaryonic vision with Prof Geraint and Dr KarlDid the Big Bang make a noise? Can we measure the acoustics of a star? Neutrons or Protons - which lasts longest ? A 20-year experiment has answers to questions we never thought of asking. Professor Geraint Lewis reveals to Dr Karl the power of the baryon. http://www.drkarl.com http://www.geraintflewis.com
2021-08-2927 min
Shirtloads of ScienceCUAVA-1 - Australia's Blue Carbon Space mission (250)Dr Karl investigates Australia's latest CubeSat mission. It's called "CUAVA-1" and aims to measure blue carbon from space. Geosciences Associate Professor Eleanor Bruce is coordinating the team of researchers mapping coastlines for aquatic vegetation. Space Physics Professor Iver Cairns is squashing the technology into a package the size of a fat packet of biscuits. Dr Karl uncovers a truly Australian "Apollo 13" story . It includes a fishing line, amateur radio enthusiasts and a clever ground crew who "worked the problem". The mission was INSPIRE-2. Professor Eleanor Bruce and Professor Iver Cairns tell this extraordinary story. dr...
2021-08-1526 min
Shirtloads of ScienceFuture Universe History 3 with Professor LewisThe Kruszelnicki-Lewis sagas continue. The Future History part 3 is Unashamedly from an Earthling perspective it is based on accepted current theories. Professor Lewis confesses he's a Silurian. www.geraintflewis.com http://drkarl.com For completists "Future Universe History' parts 1 & 2 were eps 215 & 216.
2021-04-1125 min
Shirtloads of ScienceThe Secret Life of Stars part 2 (big ones) with Professor Lisa Harvey-SmithStars come in many sizes. Dr Karl visits the large and strange with Professor Lisa Harvey-Smith. The professor and Dr karl wrestle with "the Secret Life of Stars". drkarl lisaharveysmith
2020-12-2722 min
Shirtloads of ScienceFuture Universe History part 2 with Professor Lewis (216)From star nurseries through physics and chemistry, the Kruszelnicki-Lewis explanation of the lot continue. Unashamedly from an Earthling perspective it is based on accepted 2020 theories. Professor Lewis confesses he's a Silurian. www.geraintflewis.com http://drkarl.com
2020-12-1324 min
Shirtloads of ScienceDr Karl's Surfing Safari through ScienceBernie Hobbs guests Shirtloads to talk about "Dr Karl's Surfing Safari through Science " with Dr Karl. His latest book has spiders, anuses and Black Holes. Nothing is off limits. It also includes pop-up Dr Karl holograms. Find out how. drkarl.com
2020-11-0919 min
Shirtloads of ScienceTop Galactic Neighbourhoods with Prof. Geraint LewisAre "Goldilocks" zones overrated ? Can the mediocrity principle be overturned ? What about outer Galactic suburbs - are they the place to be ? Dr Karl and Prof Lewis discuss interstellar Real Estate and the best places to live. www.geraintflewis.com http://drkarl.com
2020-08-3027 min
Shirtloads of ScienceFaster than Light with Prof. Geraint LewisSpeed limits are painful. So why is there a light speed limit on space travel (299,792km/s) ? Surely we can bend Einstein without breaking the Universe. Dr Karl (antigravity enthusiast) and Professor Geraint Lewis (real scientist) take it to the limit. How fast can we go ?
2020-08-2328 min
Shirtloads of ScienceBlack Hole Families with Dr Jessica Bloom (199)Meet the Black Hole family. Dr Jessica Bloom takes Dr Karl through the three we've identified so far. So do they do more than suck ? Was Roger Penrose on the money when he suggested darkness as an energy source? The big questions are discussed in this second dark podcast.
2020-08-1619 min
Shirtloads of ScienceBlack Hole Origins with Dr. Jessica BloomExtraordinary discoveries are being made in the galactic darkness. Dr. Jessica Bloom assembles the historical, theoretical and observational data that are causing a rethink of black holes. Why are they at the astrophysical crossroads ? And Dr Karl estimates our civilization's Kardashev ranking - how advanced are we ? Part 1 of a double black hole podcast. https://drkarl.com/ https://en.wikipedia.org/wiki/Kardashev_scale
2020-08-0916 min
Shirtloads of ScienceEntropy with Prof Geraint LewisEntropy comes from the Greek word for transformation. It is often used to describe the irreversible evening-out of stuff. In astronomy it is often called "the Heat death of the Universe". Entropy originated with the centuries-old laws of thermodynamics. So how is Entropy holding up? Dr Karl and professor Geraint Lewis put it to the test. http://www.geraintflewis.com http://drkarl.com
2020-08-0223 min
Shirtloads of ScienceShuttle vs Soyuz vs Dragon - Rocket Science with professor Geraint Lewis (195)2020 is a milestone in space travel. The International Space Station received astronauts from a privately owned mission. So how do the USA's shuttle, Russia's Soyuz and Musk's Dragon stack up ? Doctor Karl and Professor Geraint Lewis review the modern history of human space flight. http://www.physics.usyd.edu.au/~gfl/ http://drkarl.com
2020-07-2621 min
Shirtloads of ScienceHow constant is the Hubble constant with professor Geraint LewisNinety years ago we first measured the rate of our expanding Universe. Today our accuracy is better but the new techniques are producing different numbers. Are there gremlins in our measurements or is it the Universe travelling in unexpected ways ? Dr Karl and Prof Geraint Lewis discuss this huge question. http://www.physics.usyd.edu.au/~gfl/ http://drkarl.com
2020-07-1925 min
Shirtloads of ScienceFast Radio Bursts and Magnetars with professor Geraint LewisFirst observed in 2007, FRBs are becoming a very useful astronomical tool. In 2020, flashes were analysed and suggested an answer to that age-old question about the Universe. Most of it is unobserved - so where is it hiding ? Dr Karl and Prof Lewis take a walk through the FRBs and Magnetars, the new phenomena making headlines . Drkarl.com https://theconversation.com/half-the-matter-in-the-universe-was-missing-we-found-it-hiding-in-the-cosmos-138569
2020-07-1220 min
Shirtloads of ScienceThe concept of Proof with Professor Geraint LewisWhat does "proving" a theory really mean ? Is there a difference between Scientifically proving or proving it Mathematically ? Dr Karl and Prof Geraint Lewis discuss the meanings of these ideas and how they are applied today. From pandemics to climate change, we depend on solid science - so how do you tell if something has been proved? http://www.physics.usyd.edu.au/~gfl/ http://drkarl.com
2020-07-0517 min
Shirtloads of ScienceProf. Anita Ho-Baillie and Perovskite Solar CellsSolar PV Panels have transformed our energy mix in the 21st century. Efficiency is up and costs and carbon emissions are lower. What next ? Imagine a solar film that squeezes 10% more out of the sun ? Professor Anita Ho-Baillie walks Dr Karl through solar PV and this phenomenal new approach. Barely 10 years in development, is there a Perovskite Solar efficiency race already ?
2020-06-2822 min
Shirtloads of ScienceCosmic Rays with Dr Jessica BloomThey're Cosmic ... but are they Rays ? Dr Karl gets the briefing from a recent University of Sydney astrophysics graduate, Dr Jessica Bloom. Cosmic Rays were found ages ago and still baffling us with more questions. Dr Jessica and Dr Karl go to the ends of the earth on this cosmic quest. https://drkarl.com/ https://www.facebook.com/astrokitten/photos/
2020-06-2120 min
Shirtloads of ScienceCovid-19 - The Tests with Prof Eddie HolmesLockdowns are a rational first response to a pandemic but what happens while we wait for a vaccine or treatment to be developed ? Dr Karl joins Prof Holmes in Part 3 of this series looking at Covid-19 tests. What is the difference between them ? Professor of Virology, Eddie Holmes also explains how our immune system fights a virus and why this one has been so hard to beat - so far. @EdwardCHolmes https://drkarl.com/ Note: episode recorded in late May 2020 using data available at the time
2020-06-1423 min
Shirtloads of ScienceCovid-19 - The Numbers with Prof. Eddie HolmesPandemics are complex so we rely on statistics to manage them. So how come the numbers vary so much around the world? Dr Karl asks Virology Professor Holmes why and also discovers which local factors also affect Covid-19 statistics. Australia's secret national chook stockpile is revealed and Professor Holmes estimates the rubbery-ness of some well known figures. Note: episode recorded in late May 2020 using data available at the time. @EdwardCHolmes https://drkarl.com/
2020-06-0718 min
Shirtloads of ScienceCovid-19 - Viral History withProf Eddie HolmesVirology and evolutionary biologist Professor Eddie Holmes takes Dr Karl time travelling to visit a deadly virus. Many of today's treatments took thousands of years to develop. Smallpox proved to be a tough virus to manage but it also taught us how to fight back. From skin scratching to cows, the American Civil War, Baltic mummies and DNA - Science finally stopped smallpox in its tracks. @EdwardCHolmes https://drkarl.com/ Note: episode recorded in late May 2020 using data available at the time
2020-05-3120 minShirtloads of ScienceCovid 19's chemical enemyA-Prof Alice Motion explores the chemistry and properties of the 29th element for Dr Karl. This persistent contact killer is amazingly passive (nothing else is needed). We've known of its benefits for thousands of years and yet chrome, plastics and stainless steel prevail in our healthcare facilities. @all_isee @_breakinggood https://drkarl.com/
2020-05-2422 min
Shirtloads of ScienceWhen Stars are born, they ShakeDr Simon Murphy explains to Dr Karl the extraordinary behaviour of a star in the early stages of life. Observed only recently, it widens our understanding of new stars. https://www.sydney.edu.au/news-opinion/news/2020/03/10/astronomy-new-type-of-pulsating-star-discovered.html http://drkarl.com
2020-05-1721 minShirtloads of ScienceThe Great AttractorWe can't see the Great Attractor but we've measured its presence. We're falling into Virgo and Virgo can't resist its force. Is Dark Energy involved? What is the "zone of avoidance"? Professor Geraint Lewis helps Dr Karl with his homework. http://www.physics.usyd.edu.au/~gfl/ http://drkarl.com
2020-05-1021 minShirtloads of ScienceThe Cosmic Revolutionary's Handbook Or How to Beat the Big BangDr Karl & Prof G. Lewis discuss the gaps and guesses that string together our understanding of the Cosmos. So what happens if we find a mistake in one of Einstein's predictions ? It's one of the discussion points in Geraint Lewis' latest book written with Luke Barnes. https://www.booktopia.com.au/the-cosmic-revolutionary-s-handbook-luke-a-barnes/book/9781108486705.html drkarl.comhttp://www.physics.usyd.edu.au/~gfl/
2020-05-0319 minShirtloads of ScienceSqueezing Stars with Prof Geraint Lewis part twoIt's part two of the Neutron star exploration with Professor G. Lewis. He takes Dr Karl layer by layer down to the core. Things are so squashed in there that quantum physics takes over. Escape from the lockdown inside a star where things go subatomic. http://www.physics.usyd.edu.au/~gfl/
2020-04-2622 minShirtloads of ScienceSqueezing Stars with Prof Geraint Lewis part oneWhat happens when you squeeze a star ? Dr Karl gets inside one with Professor G. Lewis. They travel from the subatomic level up with the latest on Neutron Stars. Trigger Warning - Quarks and Bosons are mentioned . It's part one with more from the Neutrons next time. http://www.physics.usyd.edu.au/~gfl/
2020-04-1919 minShirtloads of ScienceStellar tides with Prof Don Kurtz & Dr Simon MurphyTo study the stars, look to the ocean. Water ebbs and flows under the influence of gravity. Astronomers see tides in moons, stars and around black holes. Dr Karl talks with two astrophysicists who recently measured a bulging star with earth-like tides.
2020-04-1219 minShirtloads of ScienceA Perfect Poo with prof Claire CollinsA perfect poo has metrics. Dr Clare and Dr Karl describe the best solid expressions. Length, thickness, mass and diet. What makes the perfect poop ? https://theconversation.com/had-constipation-here-are-4-things-to-help-treat-it-123364
2020-04-0530 minShirtloads of ScienceEinstein, Newton & Frame Dragging with Prof Geraint Lewis (179)Seventy-five percent can be described by Einstein. The remainder? It drove Albert to question his work till his dying day. Dr Karl and Dr Lewis discuss evidence for the missing theory . http://www.physics.usyd.edu.au/~gfl/
2020-03-2924 minShirtloads of Science3 doctors on CO2, the Sun and XenobotsThey're back ! Dr Karl on why carbon dioxide is so insidious in the atmosphere. Dr Alice Motion on the best Instagrams yet of our sun and Dr Jessica Bloom on the rise of bio-robots. The original shirtloads gangsters are in the lab.
2020-03-2225 minShirtloads of ScienceDr Michael MannAmerican climatologist Michael Mann drew a chart back in 1999 . It's called "The Hockey Stick Graph" because of the way it shoots up. There was no new information in it and it drew on agreed international temperature data. Like Charles Darwin, Dr Mann dared to publish. His "hockey stick" still makes him a target for fossil fuel lobbyists. So what happens when a scientist is taken on by powerful interests ? Dr Karl asks him about the experience.
2020-03-1521 minShirtloads of ScienceHyper Velocity Stars with Prof Geraint LewisOne star, observed in outback Australia, may hold new clues to dark matter and black holes. It's a milky way neighbour but moving very fast. Prof Geraint Lewis takes Dr Karl on his quest for answers. http://www.physics.usyd.edu.au/~gfl/
2020-03-0817 minShirtloads of ScienceCorey Tutt - NSW Young Australian The Young Australian of the Year Award recognises 16- to 30-year-old Australians. It rewards their achievements and contributions. Dr Karl meets Corey Tutt, the NSW winner for 2020. Corey has already made an extraordinary difference with his Deadly Science initiative.
2020-03-0124 minShirtloads of ScienceThe Hubble Tension with Prof Geraint LewisThe Hubble Space Telescope launched in 1990. It is named after the American astronomer who found our universe was expanding. Ninety years on, with much better kit, Hubble's ideas still hold. The question is how fast are we inflating? This is the Hubble tension and Prof Geraint Lewis leads Dr Karl through the deep space discussion. http://www.physics.usyd.edu.au/~gfl/
2020-02-2324 minShirtloads of ScienceCats & "Toxo" - from Kitty Litter to the eyeballs with Professor Justine SmithWhat is the science behind warning pregnant women to stay away from cat faeces ? It involves a parasite (called "Toxo" for short) that migrates between humans and their cats. The risk to unborn children is real and world renowned expert, Professor Justine Smith, takes Dr Karl through the life cycle from Kitty Litter to the eyeballs.https://www.flinders.edu.au/people/justine.smith
2020-02-1623 min
Shirtloads of ScienceDoes Air Travel have a bigger footprint than clothing ? Camille Reed gives Dr Karl the answer.Camille Reed reveals the startling environmental and human cost of fast fashion. From fiber to landfill the damage is colossal. She tells Dr Karl where the money goes and who misses out. Circular Fashion is Camille's response to the crisis. She has simple and practical ways to make a change for the better. https://www.australiancircularfashion.com.au/author/camille/ https://www.facebook.com/australiancircularfashion/
2020-02-0900 minShirtloads of ScienceUltra-Processed Foods and Drinks and the harm they do.A dietary study in Europe reveals a connection between processed foods (and drinks) and cancers. 8 years of research they tried to eliminate factors such as socioeconomic and diet preferences from the data but the link remains strong. What does it mean for you ? Doctor Karl and Professor Claire Collins discuss. https://theconversation.com/research-check-will-eating-ultra-processed-foods-give-you-cancer-91984
2020-02-0220 minShirtloads of ScienceWalking After Eating with Kyra SimDr Kyra Sim treats takes Dr Karl through The benefits of exercise - after eating. @kyrasim
2020-01-1915 minShirtloads of ScienceOur Ice Ages (repeat 113) Tas Van OmmenWe are officially in an interglacial period - between ice ages. Dr Karl talks with Australian Glaciologist Dr Tas van Ommen about the times when Ice sheets were a kilometre thick. What caused them and how long did they last. Understanding our climate history is our best chance for anticipating its earth's future. Recorded in Antarctica
2020-01-1225 minShirtloads of ScienceDr Karl's Random AR Road Trip with Dr BernieDr Bernie probes the Augmented Realities inside Dr Karl's new book. Are the 3D animations impressive ? Do the walking, talking virtual Karls look amazing on her phone ? Is this the new frontier in science publishing ? https://drkarl.com/books/
2019-11-2409 minShirtloads of ScienceSand Talk with Tyson YunkaportaDr Karl embraces Sand Talk. The first Australians have been exchanging complex concepts this way for 60,000 years. Climate Change and the nature of Time can both be discussed (in Sand Talk).Tyson Yunkaporta and Dr Karl share traditional wisdom and science. https://www.bookdepository.com/Sand-Talk-How-Indigenous-Thinking-Can-Save-World-Tyson-Yunkaporta/9781925773996
2019-09-2923 minShirtloads of ScienceKate Cole Silicosis Science and History with Dr KarlDigging big holes is dangerous work. Silicosis is a cumulative and sometimes fatal disease resulting from breathing in certain types of dust from broken rocks. Kate Cole is Occupational Health and Hygiene Manager for the new Sydney Metro. She talks with Dr Karl about the history and science of dust diseases.
2019-09-0118 minShirtloads of ScienceData Visualisation with Dr Emi Tanaka & D KarlStatistics are essential today.They are complicated and easy to misinterpret. Clearly communicated results can make a world of difference to new ideas. Dr Emi and Dr Karl discuss smart ways to reveal your data. http://soapboxscience.org/soapbox-science-2019-sydney/
2019-07-0721 minShirtloads of ScienceThe Landfill that ate Cranbourne with Dr Gavin Scherer & Dr KarlDr Gavin Scherer tells Dr Karl of an Environmental catastrophe that engulfed a brand new Australian suburb. How did it happen? What did it take to fix? A blow by blow account of what it takes to undo decades of bad choices. http://bit.ly/2JZqXmi
2019-06-2325 min
Shirtloads of Science3 Docs on Astro AI, Danish Bugs and reverse psychology. Drs Motion, Supernova and Karl ReturnHow we are training computers to look and see like us, how young Danish Citizen Scientists discovered new bacteria and the Benjamin Franklin effect - no kites or thunderstorms involved. Dr Alice Motion, Dr Jessica Supernova (aka Bloom) and Dr Karl return.
2019-06-0222 minShirtloads of ScienceFoods we could eat more of - Professor Claire and Dr Karl have both changed their diets (135)Tongue to tail, our bodies need this more than ever. The science is absolute - hearts, brains, bodies, guts - this works. It's affordable, tasty and we all need more of it. Bananas, popocorn and high cocoa dark cholocate ? Professor Claire and Dr Karl both have upped their fiber intake. http://healthyeatingquiz.com.au/
2019-05-2628 minShirtloads of ScienceAntarctic Krill, Bubbles and Whales with Dr Gwen Fenton (130)As the Christian world marks almost 2,000 years of Easter, Dr Karl searches for million-year-old air bubbles. The Chief Scientist for the Australian Antarctic Division, Dr Gwen Fenton, outlines why it will take 4 antarctic summers to drill for air that will answer fundamental questions about Climate Change, plus Krill and the fish that Dr Karl stopped eating.http://www.antarctica.gov.au/
2019-04-2127 minShirtloads of ScienceDean Ahern Antarctican AllrounderTo operate at the earth's extremities you need a special skillset. Dean has been a professional chef, mining machine operator and martial arts instructor. Dr Karl discovers how this produces rock solid members of our Antarctic support team. Dr Karl traveled south to Casey research station as part of the Australian Antarctic Program. @AusAntarctic
2019-04-1421 minShirtloads of ScienceAntarctic support with Sharon LabuddaFor every Scientist in Antarctica at least 5 support staff are needed. Dr Karl meets one of them. Sharon Labudda. She's in logistics but will turn her hand to fixing engines, carting supplies or getting scientists and their experiments done safely. Dr Karl also gets a lesson in how to speak Antarctican. What's a Yellow Hagg, the AAD, a Deezo or an FTL? Dr Karl traveled south to Casey research station as part of the Australian Antarctic Program. @AusAntarctic
2019-03-3125 min
Shirtloads of ScienceHow Antarctica is melting with Dr Ben Galton-FenziIf you want to know how Global Warming works, ask a Glaciologist. Dr Karl talks with Dr Ben Galton-Fenzi about his measurements on the Totten Glacier - one of the fastest flowing in Antarctica. His measurements, models and predictions are rewriting the timetable for ocean level rises. Dr Karl traveled south to Casey research station as part of the Australian Antarctic Program. @AusAntarctic
2019-03-2423 minShirtloads of ScienceDr Karl, Dr Alice and AntarcticaDr Karl gives Dr Alice a first hand report on Antarctica in February 2019. So how is climate change affecting the area ? Who are the scientists and what are Australians like living in our coldest territory ? Dr Karl traveled south to Casey research station as part of the Australian Antarctic Program @AusAntarctic
2019-03-1721 minShirtloads of ScienceDamien Manuel on CyberWarDr Karl probes Damien Manuel from Deakin University on the foundations of modern Cyber warfare. From Stuxnet to Brexit, Trump16 and IIWAM, our Digital space is being warped and manipulated. Part 2 on Dr Karl's 2019 Cybersecurity podcast.
2019-03-0320 minShirtloads of ScienceDamien Manuel on spotting Cyber Warriors (122)Dr Karl probes the Director for Centre for Cyber Security Solutions, Damien Manuel, on digital safety. Smartphones, Digital health records, Credit Cards, Huawei and the most common types of cyber warriors. Update your shields in 2019 because smart refrigerators can launch DDOS attacks. Karl and Damien discuss the telltale signs and what to do.
2019-02-2428 minShirtloads of ScienceSpotting sharks with drones - Dr Karl & AI expert Dean BlumensteinDr Karl and AI expert Dean Blumenstein from UTS Sydney discuss the application of drones being deployed on Australian beaches this summer. Can deep learning improve on helicopter surveillance ? Can a drone save someone from drowning faster than lifeguards ? How safe in are we in the hands of AI ?
2019-02-0322 minShirtloads of ScienceDeep Neural Networks - How Artificial Intelligence has grown. Dr Karl & Dean Blumenstein on the Phenomenal decade. (XX)Two decades in and the 21st century being swarmed by digital services - both wanted and unwanted. Dr Karl discusses how we've got here - and where we're going with AI expert, Dean Blumenstein from UTS Sydney. When deep neural networks have lifetimes of human learning inside, Are we heading towards a safer space ?
2019-01-2618 minShirtloads of ScienceGuidelines for relief of Lower Back Pain with Dr Karl and Prof Chris Maher.7% of the listeners to this podcast will be affected by attacks of lower back pain. For both men and women it is a debilitating condition. Worse still, some prescriptions result in death. Professor Chris Maher challenged orthodoxy in a 2018 Lancet article with a set of treatment guidelines. Dr Karl helps decode the article for you. https://www.nps.org.au/ http://sydney.edu.au/medicine/people/academics/profiles/christopher.maher.php
2018-12-0218 minShirtloads of ScienceThe Chemistry and Science of Eating. Doctor Karl consults dietitian Dr Kyra Sim and analytical chemist Dr Yvette D'EntremontObesity, Diabetes and Heart Disease are ruining the lives of otherwise healthy people. Many of us are at risk through uninformed choices. Doctor Karl consults dietitian Dr Kyra Sim and analytical chemist Dr Yvette D'Entremont for the latest. Did you know your lungs play a huge role in weight management ?
2018-11-1818 minShirtloads of ScienceArtificial Intelligence and the people problem- Ellen Broad with Dr KarlA.I. is already surrounding us. The internet, cars, courts, recruitment agencies. Already serious issues are surfacing. For instance removing prejudice is proving very difficult. The data sets we train our devices with are imprinting our own society back into the system. Author Ellen Broad leads Dr Karl inside the machine with her book "Made by Humans : The AI Condition". https://www.mup.com.au/books/made-by-humans-electronic-book-text
2018-10-2829 minShirtloads of ScienceThe future of Everything with Tim Dunlop and Dr KarlInequality. How dangerous is it ? Are our democracies fair ? Author Tim Dunlop says even the Ancient Greeks didn't trust their democracy to popularity contests. They recognised human weakness and used alternatives. Tim also has a convincing explanation of how privatisation fails and why hope exists. Dr Karl and the future of everything with Tim Dunlop. https://www.newsouthbooks.com.au/books/future-everything/
2018-10-2118 minShirtloads of ScienceBill Bailey & Dr Karl on the Ascent of USTwo Polymaths share stories from the past few Millennia. Bill reveals his DNA profile and links to European History. Karl on Empires and psychopaths. Who said the week should be 7 days long ? How Unready was Ethelred ? Many of Bill Baileys tour dates are sold out. Dr Karl had Laryngitis at the time of recording and has recovered.
2018-10-0721 minShirtloads of ScienceA 300 million year old Killer. Dr Karl and Irukandji expert Lisa-ann GershwinThey're 300 million years old. They're almost invisible and they are deadly. Cubozoa, Box jellyfish or Irukandji, are both the smallest and the most venomous jellyfish in the world. There are more than 50 species and Dr Karl joins Lisa-ann Gershwin on her hunt for more. When Box jellyfish fire their stingers, the pain and other symptoms are collectively known as Irukandji syndrome and it can kill. But something as thin as pantyhose can save your life - how does that work ? http://lisagershwin.com
2018-09-0921 minShirtloads of ScienceScience Degrees - What are they Good For ? Dr Michelle Deaker takes Dr Karl along her Career pathWhat careers open up for Physics graduates? What if you add a PhD in Chemistry? Meet Sydney University graduate Dr Michelle Deaker talking with Dr Karl about her journey. She started with some entrepreneurial spirit and then added an eye for opportunity. Dr Michelle turns research and ideas into products and then takes them to market. Her Australian venture capital portfolio includes a world-leading vaccine Nanopatch, a watch for tracking dementia patients and a new diagnostic in oncology. Got a new idea for Dr Michelle ? one-ventures.com.au
2018-08-2620 minShirtloads of ScienceUltra-Processed Foods and Drinks - what harm can they do ? Professor Claire Collins explains to Dr Karl.A dietary study in Europe reveals a connection between processed foods (and drinks) and cancers. 8 years of research they tried to eliminate factors such as socioeconomic and diet preferences from the data but the link remains strong. What does it mean for you ? Doctor Karl and Professor Claire Collins discuss. https://theconversation.com/research-check-will-eating-ultra-processed-foods-give-you-cancer-91984
2018-07-2220 minShirtloads of ScienceThe "E" in STEM - Dr Karl & Dr Kanga talk Engineering (89)Meet Dr. Marlene Kanga, president of an international governing body looking after 2 million engineers. Our future depends on innovation. The creative application process is what Engineering is all about. She talks with Dr Karl of the value Engineers bring to society, which areas attract female engineers, and what Australia can do to catch up with other leading nations.
2018-07-0114 minShirtloads of ScienceDIET is a 4 Letter word - but it doesn't have to be Dr Karl has soluions95 % of diets fail. By middle age you will try over 60 diets and 19 times out of 20 you will not lose weight. Australia is now the 5th fattest nation on earth (ahead of the UK). Join Dr Karl & Dr Fuller from Sydney University and a plan that is friendly to the human condition . Fad diets will fail. On average we will spend more than 30 years on diets during our lifetime. With a $60 billion weight loss industry, do they really want you succeed? www.intervalweightloss.com.au
2018-06-1018 minShirtloads of ScienceThe Aussie Space Program - it's Hypersonic. Prof Michael Smart shares his vision with Dr Karl.Hypersonic space injection is different. It's fast like a Kangaroo, Air breathing like a lungfish and reusable like a keepcup. UQ's Professor Michael Smart takes Dr Karl through an Australian development that could jumpstart the space program downunder. It has been part of a research program spanning 30 years and Hypersonics could be ready to fly in 5 years says Professor Michael - (with an injection of money).
2018-05-1320 minShirtloads of ScienceSOS_76 Kit Chapman Elements pt 2. Kit Chapman introduces Dr Karl to the people behind 20 or so unpronounceable names at the bottom of the periodic table.Before the Space Race there was a race to find and name new elements. Atom smashers and reactors were the tools to make new super-heavy metals - unknown on earth. Who leaked the announcement of two new radioactive elements on a Children's Quiz show ? Transfermium wars - What were they ? Who died getting Einsteinium ? Chemistry World journalist and author, Kit Chapman, tells Dr Karl about the people behind the unpronounceable names with big atomic numbers at the bottom of the table and the race that is still running.
2018-04-0823 minShirtloads of ScienceSuperheavy Elements 1- Kit Chapman introduces Dr Karl to the people behind 20 or so unpronounceable names at the bottom of the periodic table.Before the Space Race began there was a chemistry race - the hunt for new elements. The Russians may have organised the periodic table but it was the Americans that began filling in the blanks. These heavy elements could not be found in nature, you had to create them in cyclotrons and reactors. Chemistry World journalist and author, Kit Chapman, tells Dr Karl about the people behind the 20 or so unpronounceable names at the bottom of the table. In this podcast we count up from atomic number 93. Who wrote a personal letter to Stalin urging a soviet atomic program...
2018-04-0120 minShirtloads of ScienceSkinny Tea - Is it Real ? Professor Claire Collins searches the Literature with Dr Karl.Lose weight by drinking special Tea - that sounds easy... but is it good ? Dietetics professor Clare Collins, takes Dr Karl through seven Botanical tinctures that make this claim. Snake Oil or Science ? http://theconversation.com/science-or-snake-oil-do-skinny-teas-boost-weight-loss-87353 https://www.newcastle.edu.au/online-learning/moocs/the-science-of-weight-loss
2018-03-2515 min
Shirtloads of ScienceThe Dark Side of the Universe with Dr Karl & Prof James Green. So where are those missing Baryons ?The stars at night are only a fraction of what we know should be there. So where are all those missing bits from our universe? This is a lifelong quest for Professor James Green from Colorado University in Boulder. Since his student days, he has been designing payloads for NASA rockets (and the Hubble space telescope) looking at invisible stuff. So how do you see in the cold black soup of space? What is a Sounding Rocket? Why do Wimps beat Macho's ? These and many more questions are answered in Dr Karl's latest podcast.
2018-03-1824 minShirtloads of ScienceDr Karl has his Diet Balanced with Professor Claire Collins (70)Doctor Karl takes the Healthy Eating Quiz followed by a dietary checkup with Professor Claire Collins. Have you tried being Flexetarian ? 24 minutes of simple, healthy, free and inspiring suggestions. For maximum effect take the quiz before the podcast and compare your score with the Doctors. healthyeatingquiz.com.au
2018-02-1824 minShirtloads of ScienceMarine Biology Adventures. Dr Karl talks Molluscs with Dr. Helen Scales.Marine biologist, diver and author Dr Helen Scales takes Dr Karl deep beneath the waves to share her passion for the ocean. Helen talks about the secret life of molluscs (shellfish). Hear about 'clacking' oysters, the legend of the Golden Fleece (sea silk) and a creature resembling a pinecone crossbred with a slug. There's maths in the spirals, slave trading in the cowrie and just imagine a Harry Potter golden snitch of the sea… it's real and plays an incredibly important role.
2017-12-3120 minShirtloads of ScienceIt's Summer (in the southern hemisphere) What time should you Water your plants ? Dr Karl and Dr Alice put their heads together to discuss the latest research into hairy leaves and burning plants? Dr Karl's amazing fruit and veggie classification system. What do killer kangaroos have to do with sleeping in an unfamiliar bed? And, if you talk to dogs (like Dr Alice does) there's an experiment you might just want to try. Listen up as two Doctors tackle these and more. (First Podcast in 2016)
2017-12-2421 minShirtloads of ScienceMadagascar with Dr Karl.The people of Madagascar have fascinating stories. Did you know the first settlers came from South East Asia ? That some of their traditions are almost 2,000 years old ? That 90% of Madagascan flora and fauna are found nowhere else on earth. Dr Karl and local guide Lala Harivelo takes us on a cultural tour of the world's 4th largest island.
2017-12-0314 minShirtloads of ScienceCyber Security Architecture - How does it keep us safeHow do you repel Cyber Espionage ? Architecture says Dr. Barry - The carefully designed structure of things like networks, software and the organisations around them. The latest wave of attacks is Ransom-ware. Dr Karl finds out how to avoid being held hostage. Dr Barry also gives Karl a bunch of tips for keeping your files secure at home and atwork. How often should you update your operating system software? Data backups - how many and where ? Wifi security, Script Kiddies and more.
2017-11-1220 minShirtloads of ScienceKarl, The Universe & Everything (Case study in visual language) Jules Faber, Illustrator and Cartoonist, talks with Dr Karl about the creative process using "Karl, The Universe & Everything" as a case study. They talk the science of illustration - and the illustration of science. Why do some images speak louder ? Do cartoonists talk a primal language ? Jules is president of Australian Cartoonists' Association and Karl will also give you a preview of some of the hot stories in his latest book ""Karl, The Universe & Everything". Shameless self publicity ? You be the judge. Jules is a prominent Australian book illustrator, but this is his first adventure with Dr. Karl. His passion for science...
2017-11-0523 minShirtloads of SciencePenetration Tester talks about being Naughty with Dr KarlHow do stock exchanges, nuclear power plants or the military check their computer security ? They hire penetration testers - Cyber security experts who secretly test both IT and organisational security. Dr Karl gets the low-down from Chris Gatford, director of a company called Hacklabs. You will not believe how some places make it easy to get inside.
2017-10-2921 minShirtloads of ScienceHow good is Coffee ? Prof Clare Collins & Dr Karl (46)Of all hot beverages, Coffee may be the healthiest. It is loaded with antioxidants and beneficial nutrients and it may even lower the risk of some nasty diseases. Dietitician Prof Clare Collins & Dr Karl go through the mounting Scientific evidence. Importantly Professor Collins also goes through the risk factors for some and who should avoid it altogether. Shirtloads of Espresso Science this week.
2017-09-0317 minShirtloads of ScienceDr Lucie & Dr Karl at 15 million degrees (44)Dr Lucie Green is a Solar Researcher. She studies our natural power source – that Great Nuclear Reactor in the Sky, the Sun. Come along for the ride with me, Dr Karl, as Dr Lucie helps discover how fusion works, why the light we see is ancient (as old as we are), how to tell if there's an astronomer in your car, and the best place to view planet alignments and magellenic clouds. Shirtloads with Dr. Karl is Out Of This World - with added physics.
2017-08-2019 minShirtloads of ScienceThe "E" in STEM - Dr Karl & Dr Kanga talk EngineeringMeet Dr. Marlene Kanga. She is about to become president of an international governing body looking after 2 million professionals. Our future depends on innovation and the creative heart is Engineering. She talks with Dr Karl of the value Engineers bring to society, which specialties are attracting female engineers and what Australia can do to catch up with some of the leading nations.
2017-02-0414 minShirtloads of ScienceNutrition, Dietetics and Your Toilet BowlClare Collins is a Professor in Nutrition and Dietetics at the University of Newcastle. She joins Dr Karl for a colourful conversation about your toilet bowl and what it can tell you about your health. Don't be shy, listen up and discover what weird colours you should not see, and what they could mean. Got green poo? There's an explanation. How about 'cappuccino' wee or purple pee? You'll be surprised. Find out when to see your GP and what to show and tell. Perhaps you'll take away Dr Karl's new mantra: 'while the eyes are the window to your...
2016-11-2713 minShirtloads of ScienceScience talk: Watering plants, the first night effect and talking to dogsDr Karl and Dr Alice put their heads together to discuss the latest research into well… all sorts of stuff! What do hairy leaves have to do with burning plants? Is Dr Karl's fruit and veggie classification (serve it with ice-cream it's a fruit, with gravy it's a vegetable) scientifically accurate? And what exactly do killer kangaroos have to do with being unable to sleep in an unfamiliar bed? Listen up as the Doctors tackle these questions and more. And, if you talk to dogs (like Dr Alice does) there's an experiment you might just want to try.
2016-11-2020 minShirtloads of ScienceThe Kepler Mission ScientistDr Karl looks to the stars to kick off his new podcast with NASA Ames research astrophysicist Dr Natalie Batalha, the Kepler Mission Scientist. From 2009 to 2013, the Kepler Space telescope looked for exoplanets – planets outside our solar system. It stared unblinkingly at a patch of sky which Dr Batalha had selected hoping to find not just exoplanets, but exoplanets in the Goldilocks zone. Find out what happened, what can go wrong and how Dr Karl's mind was blown to astronomical proportions.
2016-10-2017 min