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Sustainable Development

The Cassini Orbiter Takes One Last Look at Oddball Moon Hyperion

Ever since it first went into orbit around Saturn in July 2004, NASA’s Cassini spacecraft has racked countless discoveries about the gas giant and its spectacular set...

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Environment

Animation Shows Alarming Trend in the Arctic Ocean

No, it's not an ultrasound of someone's internal organs. Its sea ice in the Arctic Ocean melting because of climate change. ?Scientists have been using satellites to monito...

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Environment

Climate change and the rise and fall of civilizations

Shifts in climate – both large and small – are at least partly responsible for the rise and fall of many ancient civilizations. Could today’s climate chan...

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