Scientists kept mouse sperm in space for 9 months—then tried making babies

Mice sperm can survive the radiation exposure of space, according to a new study, something that could be useful to humans in the future.  

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Back in 2013, mouse sperm was freeze-dried and sent to the International Space Station for nine months. Back on Earth, mice were then artificially inseminated with the preserved space sperm. Those birth rates were pretty similar to mice made from Earth-preserved sperm from the same mice. The offspring even grew up into normal mice and had normal fertility, according to findings published this week in the Proceedings of the National Academy of Sciences from Japanese scientists. Read more...

More about Science, Japan, International Space Station, Research, and Reproduction

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