Fossil dating is a lot like eating a delicious ice cream cake. Well, sort of. We find out how scientists look at the rock and elements AROUND a fossil to figure out its age. Plus: We talk to a scientist who studied one of the coolest fossils discovered recently: a dinosaur tail trapped in amber, complete with feathers!

Why do we have Daylight Saving Time?
24:01

New Brains On tour dates added: St. Paul, Atlanta, Portland -- and more!
01:09

Let's Go Bananas
33:23