The large swallows have nested alongside human settlements for centuries. Now, the birds' breeding success depends on caretakers who are beginning to age out of the role ...
Morning Overview on MSN
Fossil with odd claw may be oldest known spider relative
A 500-million-year-old fossil pulled from the Utah desert may be the earliest confirmed relative of spiders and scorpions, ...
"With five limbs covered in hundreds of hydraulic, rubbery feet and no head – or even a defined front, back, left or right" – ...
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