Behavior

A Parrot Shows How Laughter Is Contagious

New research has determined that New Zealand's clever kea parrot produces laughter-like calls that are contagious and promote playful behavior — and is the first known non-mammal to do so.

Mar 20, 2017
This Is How to Win an Oscar

Who wins the award may depend more on who's giving it and whether the judges and the eligible performers have things in common.

Feb 5, 2017
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