Europe broils in heat wave that fuels fires in France, Spain

A heat wave broiling Europe spilled northward Monday to Britain and fueled ferocious wildfires in Spain and France, which evacuated thousands of people and scrambled water-bombing planes and firefighters to battle flames ...

Copper makes seed pods explode

Plants have evolved numerous strategies to spread their seeds widely. Some scatter their seeds to the wind, while others tempt animals and birds to eat their seed-filled fruits. And a few rare plants—such as the popping ...

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