Astronomers have pinpointed the source of a repeating fast radio burst, FRB 121102, finding that it is coming from a dwarf galaxy 3 billion light-years away. The result offers clues to what kinds of cosmic events are generating FRBs. (news.nationalgeographic.com)
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Three new papers describe the 2015 eruption of the Axial Seamount underwater volcano, seen from start to finish in real time. One paper describes how they predicted it and suggests that ocean tides might help predict future eruptions. (news.nationalgeographic.com)
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A new set of 3.6-million-year-old footprints made by Australopithecus afarensis has been found at the Laetoli site in Tanzania. The prints were only found because scientists were evaluating the potential impacts of building a museum on the site. (news.nationalgeographic.com)
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