Related topics: pregnant women

Rare African script offers clues to the evolution of writing

The world's very first invention of writing took place over 5000 years ago in the Middle East, before it was reinvented in China and Central America. Today, almost all human activities—from education to political systems ...

'Baby, it's hot outside': Why birds sing to eggs

Much like parents who talk to a pregnant woman's belly, some birds sing to their eggs before they hatch, and the reason may be to prepare them for a warming world, researchers said Thursday.

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