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All the latest on newscientist.com: insomniac brains, death of the multiverse, blood ivory, kindergarten bots, lifesaving squeeze on the arm and more

Earth

California’s burning 鈥� and half the US is now in drought

Humanity’s crushing footprint on nature writ large

Feedback: Detecting a dubious detection

The eyes have it

Soil secret

Thin iron line

Winging it

Energy unleashed

Your next question

Life

Robo-camera snaps coastal brown bear on Alaskan beach

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Earth

Glowing space mice show where quantum dots lodge

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