Energy-saving LEDs boost light pollution worldwide

They were supposed to bring about an energy revolution—but the popularity of LED lights is driving an increase in light pollution worldwide, with dire consequences for human and animal health, researchers said Wednesday.

Tiny bees play big part in secret sex lives of trees

When it comes to sex between plants, tiny bees the size of ladybugs play a critical role in promoting long-distance pairings. That's what scientists at The University of Texas at Austin discovered after one of the most detailed ...

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