DNA Can Survive Reentry from Space

02 Dec 2014 15:20 #1 by ScienceChic
Not that I'm surprised, but I'm glad they did the experiment - it's pretty cool! And will totally spur on the "we were seeded by outer space" opinions!

DNA Can Survive Reentry from Space
Genetic blueprints attached to a rocket survived a short spaceflight and later passed on their biological instructions
November 26, 2014 |By Dina Fine Maron

In a new study published today in PLOS ONE, a team of Swiss and German scientists report that they dotted the exterior grooves of a rocket with fragments of DNA to test the genetic material’s stability in space. Surprisingly, they discovered that some of those building blocks of life remained intact during the hostile conditions of the flight and could pass on genetic information even after exiting and reentering the atmosphere during a roughly 13-minute round trip into space.

The findings suggest that if DNA traveled through space on meteorites, it could have conceivably survived, says lead author Oliver Ullrich of the University of Zurich.


"Now, more than ever, the illusions of division threaten our very existence. We all know the truth: more connects us than separates us. But in times of crisis the wise build bridges, while the foolish build barriers. We must find a way to look after one another as if we were one single tribe.” -King T'Challa, Black Panther

The truth is incontrovertible. Malice may attack it. ignorance may deride it, but in the end, there it is. ~Winston Churchill

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