News
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EarthEvery six years, Earth spins slightly faster and then slower
Changes in day length linked to workings of Earth's core.
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Planetary ScienceGas, not planets, may be source of rings around stars
Interactions between gas and dust may form elliptical patterns.
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LifeBacterial molecules may prevent inflammatory bowel disease
Common compounds produced by gut microbes quench colitis in mice.
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SpaceInterstellar chemistry makes use of quantum shortcut
Reactions in the frigid cold of space are sped by a quirk of physics, researchers propose.
By Andrew Grant -
AnthropologyAgriculture’s roots spread east to Iran
Dig supports prolonged development of domesticated crops at ancient sites across the Fertile Crescent.