Sunburn
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World
The Desert’s Fragile Skin Can’t Take Much More Heat
“When you trample it, you’re resetting a clock that’s been going for a long time back to zero,” says Finger-Higgens,…
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World
A Solar-Powered Rocket Might Be Our Interstellar Ticket
The idea for solar thermal propulsion has been around for decades, but researchers tapped by NASA just conducted a first…
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