Sunday, June 13, 2010

New theory for life's first energy source

Earth (NASA/AP Photo)

( An obscure compound known as pyrophosphite could have been a source of energy that allowed the first life on Earth to form, scientists now say. From the tiniest bacteria to the complex human body, all living beings require an energy-transporting molecule called ATP to survive. Often likened to a "rechargeable battery," ATP stores chemical energy in a form that can be used by organic matter. More>>

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