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DNA Found In Meteorites Suggests … We’re All Aliens?!
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Meteorite DNA

That’s right ladies and gentlemen, it would appear that we’re ALL actually aliens…and not just from the perspective of other lifeforms in the universe.

Scientists have discovered two of the four nucleobases””which are essential in building DNA””in meteorites found in Antarctica. The two nucleobases discovered, adenine and guanine, suggest that the basic building blocks for life could be present throughout the universe, and that meteorites that hit Earth gatrillions (it’s a real number…don’t look it up) of years ago could have acted as seeds, planting what would eventually become life on our planet.

This would also mean that if it did happened here, it could have happened many other places as well.

This isn’t the first time something like this has been discovered, either, though it is one of the best cases. In most other instances nucleobases like this were discovered in meteorites, it was too hard to distinguish whether or not they came with the rock or if some kind of lifeform had later come into contact with it, leaving the DNA.

Carnegie Institution of Washington chemist Jim Cleaves said “People have been finding nucleobases in meteorites for about 50 years now, and have been trying to figure out if they are of biological origin or not. Finding nucleobase compounds not typically found in Earth’s biochemistry strongly supports an extraterrestrial origin.”

NASA Scientist Max Bernstein said that it was impossible to tell whether life on Earth actually began on the back of a meteorite, but added “These molecules are at the core of [life’s] blueprints. It’s possible that the presence of these molecules in meteorites made us what we are today.”

[Source: The Washington Post via International Business Times]

6 Comments »

  1. I don’t agree with this article
    Does anyone here know about evolution ???
    It has taken millions of years for man to evolve from a chimpanzee
    How can anyone ignore all this and say that we are all aliens !!!
    It is on this Earth that we have all evolved…….

    Comment by Aswin Madhu — August 17, 2011 @ 8:17 am

  2. I couldn’t find a definition for gatrillion. Anyway, isn’t the earth 4 billion years old?

    Comment by DevonGrey.com — August 17, 2011 @ 8:54 am

  3. we are did not evolve from monkeys

    Comment by Angel Collazo — August 17, 2011 @ 8:02 pm

  4. Interesting article… having said that, we’re never going to be 100% sure on who or what we came from.  Now stop making me wax philosophical, and get back to filling my head with useless movie and video game information.

    Comment by Clinton Jones — August 17, 2011 @ 11:47 pm

  5. I think they are trying to say that all of the lifeforms on planet earth came from a possible meteorite plowing into the earth. Not that we hitched a ride on a meteor and then walked off as we are now and started living. Evolution can still exist if what was started by the meteorite was just the essensials to start life.

    Comment by CC — August 19, 2011 @ 4:43 pm

  6. latest figure (2011) more like 6.5 billion

    Comment by BioNerd — November 9, 2011 @ 3:57 pm

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