Why is the sea salty? Could Earth’s oceans ever boil away? And just how much whale pee is in the ocean? All these questions (and a whole lot more) are answered by our intrepid science reporters, Jeanna and Mindy.
Below you can find links to further reading on the topics discussed in this episode.
Mystery #1:
Why is the Ocean salty?- Oceans on the young Earth were probably only slightly salty, but over time the mineral deposits became more concentrated, causing varying degrees of saltiness.
Osmoconformers - animal's "environment" on the inside matches its environment on the outside. Osmoregulators - have body structures that filter or secrete excess salt.