Pic of the Day: Mono Lake, California

No, that’s not some image snapped on another planet; it’s a photo taken at Mono Lake, California, the poisonous location where NASA scientists have discovered bacteria made out of arsenic. What’s the big biological deal? It’s the first time that they’ve found a new life form that doesn’t share DNA blocks with any other being on Earth. In other words: Aliens. They’re probably not just like us. More will be revealed today at a press conference at 2pm EST — which is just 30 minutes away! Do you find this as exciting as we do? Or did we grow up watching too much ALF?

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[...] Pic of the Day: Mono Lake, California - Flavorwire [...]

I am a Cuban physician and I like the biochemistry I belive that DNA and RNA are the key of bio tranformations. Chemical components have differents electric charged and conformations. One chemical component can modify other components when they get in contact or approximation for some reasons, eg heat, cold, radiations, etc. That's why organisms were really big before like diansaurous. Biochemistry componets changed due to cold tempetures and the animals became smallers. We can see reptiles but not that huge that the animals before. In another hand today we changed the myth about poison substances or things that affect the human life, including radiation, other chemicals like bleach, etc. It could be poison for some type of life but it could be beneficial for some other types of life, may be X rays radiations also could be negative for human life but it could be beneficial for other type of life. Oxygen which is essential for the earth life( human), may be it is not essential in others planets for others lifes. respiratory chain which uses phoforous for ATP energy could not be essesntial for other life in other planets. This discovery today make us think that life can take several forms even if the conditions are not favorable for what we thought. Life can even exist in a cold temperatures or even in a heat temperature. May be we are in contact with different forms of life that we don't even think that they are organisms, because we are not classify them with the biochemical post era components. Eric Campillo 305 300 5551

The problem is that it's a poison lake and bacteria is a single-celled organism. There's a high probability that the original organism was phosphate-based, and this is just an example of environmental evolution.