2don MSN
80,000-year-old Antarctic ice reveals radioactive stardust still falling on Earth. Is it dangerous?
Scientists have detected iron-60, a radioactive isotope from ancient supernova explosions, in Antarctic ice up to 80,000 ...
Deep beneath the Earth lies a mysterious and powerful force. A wellspring of nuclear energy which could one day rip us apart. Many scientists have found clues that natural nuclear reactions have ...
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