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Scott kelly: Nasa twins study confirms astronaut's dna actually changed in space

crimsonaudio

crimsonaudio

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Astronaut Scott Kelly’s DNA was altered by a year in space, results from NASA’s Twins Study have confirmed. Seven percent of his genes did not return to normal after he landed, researchers found.

Scott Kelly and his twin brother, Mark Kelly—also an astronaut—were the subjects of the study that sought to find out exactly what happens to the body after a year in space.

Scott stayed on the International Space Station from March 2015 to March 2016, while Mark remained on Earth. This was the final mission for Scott, who spent a total of 520 days in space during his career.
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http://www.newsweek.com/scott-kelly-astronauts-nasa-dna-838535

https://twitter.com/abc/status/972620001340346368

 
BamaFlum

BamaFlum

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And that is why space travel is so difficult and dangerous. Too many people have watches sci-fi and think we just need to through a bunch of astronauts into a rocket and send them to Mars and don’t realize the “little” things like radiation and what 0 gravity does to the body.


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Tidewater

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I read an article about the same twins and I thought that after a while back on earth, his DNA started to return to normal.
Maybe I misread that.
 
crimsonaudio

crimsonaudio

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Tidewater said:
I read an article about the same twins and I thought that after a while back on earth, his DNA started to return to normal.
Maybe I misread that.
Click to expand...
Time will tell...

"After landing, 93 percent of Scott Kelly’s genes returned to normal, the researchers found. The altered 7 percent, however, could indicate long-term changes in genes connected to the immune system, DNA repair, bone formation networks, oxygen deprivation and elevated carbon dioxide levels."
 
Tidewater

Tidewater

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crimsonaudio said:
Time will tell...

"After landing, 93 percent of Scott Kelly’s genes returned to normal, the researchers found. The altered 7 percent, however, could indicate long-term changes in genes connected to the immune system, DNA repair, bone formation networks, oxygen deprivation and elevated carbon dioxide levels."
Click to expand...
That's weird. I would not have thought that DNA would change depending on the environment.
But what do I know?
 
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