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Humans are the only mammals that shed emotional tears—and evolution has no clear answer for it
We've all been there: watching a movie when suddenly your eyes well up, or hearing a song that sends tears streaming down ...
Issue 42 (January 2026) of CURIOUS is out now, bringing you science highlights for the month plus deep dives into intriguing topics, interviews, exclusives, diary dates, and explanations for some of ...
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