Dogs can tell if you're scared or sad
fMRI scans show happiness, fear, anger, and sadness have distinct brain activity patterns in doggy brains.
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Bumblebees can spontaneously solve problems, study finds
Scientists in Finland found bees could solve an insect version of the classic "box-and-banana" problem.
Whatever the mirror test tells us, beluga whales pass it
The white whales join the short, contested list of animals that see themselves.