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Particle PhysicsGhostly antineutrinos could help ferret out nuclear tests
Antineutrino detectors could one day help reveal stealthy nuclear blasts.
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LifeHow salamanders can regrow nearly complete tails but lizards can’t
Differences in stem cells in the spinal cord explain the amphibians’ ability.
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Science & SocietyCheese found in an Egyptian tomb is at least 3,200 years old
Solid cheese preserved in an ancient Egyptian tomb may be the world’s oldest.
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AstronomyA galaxy 11.3 billion light-years away appears filled with dark matter
The “Cosmic Seagull,” a distant galaxy magnified by a gravitational lens, seems chock-full of dark matter, in contrast with other galaxies almost as far away.