News
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SpaceSuper Saturnian storm
The Cassini spacecraft captured images of massive tempest in planet’s northern hemisphere.
By Nadia Drake -
LifeImmune cells function beyond battle
Cells lining the intestines take cues from immune cells and gut bacteria when deciding whether self-defense or metabolism is more important.
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Health & MedicineCoffee delivers jolt deep in the brain
Caffeine strengthens electrical signals in a portion of the hippocampus, a study in rats finds.
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HumansTwo feet or four, software is the same
All walking animals use the same basic nerve patterns to put one leg in front of the other(s).