Earth
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- Earth
Eastern quakes can trigger big shakes
Scientists study the widespread impacts of tremors east of the Rockies.
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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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