Space
Forgotten mountain shrine to a Soviet superstar of astrophysics
The Byurakan Astrophysical Observatory was founded by astrophysics pioneer Viktor Ambartsumian. Now its antiquated equipment is used to measure cosmic rays
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Earth
Spectacular light pillars rise up in frozen North America
The same cold weather that has caused frozen sharks to wash up on the US East Coast has given us a light show more often seen in polar regions
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Feedback: California’s craze for untreated water goes viral
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Winding up
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Auger awe
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Plant life
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