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Obama designates nation's first LGBT national monument at Stonewall Inn

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This beautiful equation might be one of the keys to understanding nature

How to celebrate Midsummer like a real Swede

Old people and old monkeys are a lot alike

Yellowstone is studying its most troublesome species — humans

Route 66 is getting a patch of solar power-generating pavement

Meet Boston Dynamics' family of strange and amazing robots

How well do you know the special senses of animals?

'Watermelon snow' speeds Arctic melting

Researchers discover 'bright spots' where coral reefs are thriving