This Week In Studies: 5 Surprising, 5 Obvious

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This Week In Studies is Bustle's round-up of what science had to say for itself this week.

The expression should be "a dolphin never forgets."

A new study reveals that dolphins' memories actually far eclipse that of elephants. Dolphins recognize their friends' whistles even after they've spent 20 years apart, which makes their memories the best in the animal kingdom.

It's a shame that dolphins are actually incredibly aggressive and violent animals, because if you cross one it will remember you for ever.

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