Jellyfish predate dinosaurs. How have they survived so long? - David Gruber
4:37
Why do people get so anxious about math? - Orly Rubinsten
14:14
The Incredible Way This Jellyfish Goes Back in Time
11:13
The Fascinating World of Cnidarians
4:39
Eli the eel: A mysterious migration - James Prosek
4:17
Why the octopus brain is so extraordinary - Cláudio L. Guerra
4:57
These squids can fly... no, really - Robert Siddall
15:14
The Real Reason Why You Have Allergies
11:40