‘Space pups’ born from freeze-dried mouse stored on space station

Freeze-dried sperm that spent months on the Worldwide Area Station (ISS) returned to Earth and efficiently fertilized mouse ovary eggs to provide twitchy-nosed “house pups” — for science. 

The Japanese researchers behind the brand new work, which they revealed right this moment (June 11) in a brand new paper, wished to know the way house radiation fertility in mammals. Radiation can injury the DNA inside cells, inflicting mutations (because of this dermatologists suggest utilizing sunscreen). Environments on Earth with heavy radiation publicity may cause defects within the offspring of animals.

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