Gavin teaches Mike about Pterosaurs. They are weird.

Mike teaches Gavin about Moses Fleetwood Walker, the second black major league baseball player, and everything that comes along with him.

You've heard of fossil fuels, but Gavin breaks down what we're actually talking about when we use that term.

Elephants are weird. Gavin will prove that over the next hour or so.

Where Gavin teaches Mike why Lizards are a mess.

Gavin is back in New York and wanted to celebrate. 

Where Gavin tells Mike why the term "Living Fossils" is bad and shouldn't be used.

Where Mike and Gavin talk about how old time on earth is, and why it's that old. Also, dating!

Where Gavin teaches Mike why things fly, and why we can't.

Where Gavin and Mike discuss a decade old paper about whether we are currently living through a mass extinction, and why Gavin is skeptical to say the least.