Nature
Why Crows Remember Faces (And Hold Grudges)
Crows recognize individual human faces and remember who threatened them for years. Their intelligence reveals something unexpected about how minds evolve.
Casey Cooper·
Animal Intelligence
2 articles
Nature
The Orcas That Use Tools: What Killer Whale Innovation Tells Us About Intelligence
Scientists have observed orcas using objects as tools, adding killer whales to the small club of animals that manipulate their environment to solve problems.
Casey Cooper·