Neanderthal wooden tools from Spain found preserved in stone
Dissolved rock precipitated around the tools, which then decayed.
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What's been driving Hawaii's lava fountains?
Before the lava fountains started, the ground was expanding by half a meter a day.
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Major earthquake strikes Panama—damage and injuries are expected
The quake was a strike-slip event, and strong aftershocks could follow
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How Hurricane Isaias got so dangerously strong so fast
The Category 3 storm intensified overnight—and is headed toward the U.S. Gulf Coast. Here’s what to know
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