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microgravity News

Study shows our immune systems severely impaired by microgravity

Scientists are learning there may be a reason why the human race will always remain on Earth and not colonize other planets. Because evolution has tailored our bodies to respond to specific conditions, our immune systems are not set up to work in space.

First use of freeze-dried, microgravity sperm

Tokyo - Frozen 'space sperm' has passed a fertility test. Japanese scientists have produced healthy mice pups, born using freeze-dried sperm that was stored in the microgravity environment of space.

Essential Science: Why strong bones are needed for space travel

One limitation with a deep space mission, such as to Mars, is the effect of microgravity on astronauts. To find ways to build-up resilience and maintain bone strength, scientists have, surprisingly, been studying fish.
 

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Wikipedia
The International Space Station in orbit above Earth. The ISS is in a micro-g environment
The International Space Station in orbit above Earth. The ISS is in a micro-g environment
NASA
Ten-day old Arabidopsis thaliana plants growing vertically on the surface of a 10 cm square nutrient...
Ten-day old Arabidopsis thaliana plants growing vertically on the surface of a 10 cm square nutrient gel Petri plate in microgravity.
NASA