Which came first: The reptile or the egg?

The earliest reptiles, birds and mammals may have borne live young, researchers from Nanjing University and University of Bristol have revealed.

Database stores names for family members in 1,200+ languages

The words different cultures use to describe family members have revealed some intriguing insights—including why in Balto-Slavic languages there is a complicated relationship between in-laws and weasels.

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