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'Quiet Chernobyl' changed Earth's surface so much the planet's mantle is still moving 80 years later
The land beneath the former Aral Sea in Kazakhstan and Uzbekistan is rising and will continue to do so for many decades. Now, scientists have an explanation that involves the sea drying up.
The Thermavault refrigeration unit can keep vaccines cool with a reusable salt solution. The teens who built it plan to test it at 120 hospitals.
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