'Flash droughts' coming on faster, global study shows

Just like flash floods, flash droughts come on fast—drying out soil in a matter of days to weeks. These events can wipe out crops and cause huge economic losses. And according to scientists, the speed at which they dry ...

A whale's tale: The story hidden in their mouths

Baleen plates—the signature bristle-like apparatus toothless whales use to feed—reveal how these large aquatic mammals adapt to environmental changes over time.

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