Japanese researchers found mouse sperm exposed to high levels of cosmic radiation for nearly six years produced a large brood of healthy, unremarkable ‘space pups’. Photo: Teruhiko Wakayama, University of Yamanashi / AFP Japanese researchers found mouse sperm exposed to high levels of cosmic radiation for nearly six years produced a large brood of healthy, unremarkable ‘space pups’. Photo: Teruhiko Wakayama, University of Yamanashi / AFP
Japanese researchers found mouse sperm exposed to high levels of cosmic radiation for nearly six years produced a large brood of healthy, unremarkable ‘space pups’. Photo: Teruhiko Wakayama, University of Yamanashi / AFP
Japan

Mouse sperm stored on International Space Station produces healthy ‘space pups’, Japanese researchers find

  • The sperm was stored in the International Space Station in freeze-dried form. Once back on Earth and rehydrated, it resulted in the birth of 168 healthy mice
  • ‘All pups had normal appearance,’ said developmental biologist Teruhiko Wakayama of the University of Yamanashi in Japan

Topic |   Japan
Japanese researchers found mouse sperm exposed to high levels of cosmic radiation for nearly six years produced a large brood of healthy, unremarkable ‘space pups’. Photo: Teruhiko Wakayama, University of Yamanashi / AFP Japanese researchers found mouse sperm exposed to high levels of cosmic radiation for nearly six years produced a large brood of healthy, unremarkable ‘space pups’. Photo: Teruhiko Wakayama, University of Yamanashi / AFP
Japanese researchers found mouse sperm exposed to high levels of cosmic radiation for nearly six years produced a large brood of healthy, unremarkable ‘space pups’. Photo: Teruhiko Wakayama, University of Yamanashi / AFP
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