22:14

Crows, smarter than you think | John Marzluff | TEDxRainier

20:04

Do animals think and feel? | Sy Montgomery | TEDxAmoskeagMillyard

18:01

Emotions in Animals: Reality or Anthropomorphism? | Ron Magill | TEDxNewRiver

17:38

How to Talk Like a Native Speaker | Marc Green | TEDxHeidelberg

22:52

8 ways the world could suddenly end: Stephen Petranek at TEDxMidwest