Impact glass from asteroids and comets stores biodata for millions of years

Bits of plant life encapsulated in molten glass by asteroid and comet impacts millions of years ago give geologists information about climate and life forms on the ancient Earth. Scientists exploring large fields of impact glass in Argentina suggest that what happened on Earth might well have happened on Mars millions of years ago. Martian impact glass could hold traces of organic compounds. Impact glass from asteroids and comets stores biodata for millions of years

from Space & Time News — ScienceDaily http://ift.tt/1tl1mUO

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