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Life

A gene for a short night’s sleep

Alterations in a gene called DEC2 lead to a shortened sleep period in people, mice and fruit flies.

Tech

Scientists propose lab-grade black holes

Creating tiny, artificial black holes could help uncover what happens to particles on the edge of full-sized black holes.

Health & Medicine

Brain doesn’t sort by visual cues alone

Blind and sighted people’s brains sort the living from the nonliving in the same way, suggesting this ability may be hard-wired.

Earth

Big Gulp, Asian style

Satellite data reveals that increased irrigation pressure is rapidly depleting groundwater in northern India.