Related topics: brain · whales

Citizen scientists needed to discover elusive black holes

Could you help scientists uncover the mysterious world of invisible black holes? Become a Black Hole Hunter and you'll be taking part in scientific research that has the potential to reveal more about one of space's most ...

A whiff of tears reduces male aggression, says study

Watching someone cry often evokes an emotional response—but according to a new study published Thursday, human tears themselves contain a chemical signal that reduces brain activity linked to aggression.

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