Earth
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- Climate
Dirty clouds change rainfall
Scientists find a link between air pollution and extremes in rainfall.
- Animals
Tiny earthworms’ big impact
Invasive earthworms change North American landscapes, for better or worse.
- Climate
Did Columbus contribute to a Little Ice Age?
Scientist shows a surprising link between the explorer and a dip in temperatures.
- Environment
Ozone hits a new low
Scientists discover a major thinning in the protective atmosphere over Arctic.
- Earth
Big rocks’ balancing acts
Scientists study how balanced boulders resist falling over — and what that may say about earthquakes.
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- Tech
A greener way to keep flames away
Scientists use safer materials to create a new flame retardant.
- Animals
An energy lesson from panda poop
Scientists say microbes in panda feces may help convert grasses into fuel.
- Chemistry
Plant-powered plastics
Scientists are using green materials to create more Earth-friendly plastics.
- Earth
Tsunami’s trek traced in the sky
Scientists photograph atmospheric ripples that followed the March tsunami across the Pacific.
