These toothy fish are some of the largest in North America. Learn how they've lasted 100 million years in this episode of BrainStuff, based on this article: https://animals.howstuffworks.com/fish/alligator-gar-100-million-years-old-and-still-kicking.htm

How Does Bioluminescence Work?
12:15

How Is Maillardet's Automaton Still Wowing Us After 200 Years?
09:28

How Do Tiny Capers Pack Such a Big Flavor Punch?
06:35