Before you answer “Yes!” — look at these three quick scenarios. And if you learn you’re a bit bird-brained, remember: intelligence is all relative, says psychologist Ben Ambridge.

Neuroscientist Robert Sapolsky shows us the surprising ways that our brains get mixed up between the physical and metaphorical — and how this can pit us against each other.

Author of the book Animal Madness, TED Fellow Laurel Braitman shares 5 ways in which animals and humans suffer from similar mental illnesses. Anthropomorphism run amok? You decide.