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NASA Research Reveals Major Insight Into Evolution of Life on Earth
Date:8/19/2009

d cyanobacteria, became the primary oxygen-producers on the planet, generating enough oxygen to alter the chemical composition of the atmosphere and set the stage for the evolution of more complex organisms such as animals and plants.

"This work is a major advance in our understanding of how a group of organisms came to be that learned to harness the sun and then effected the greatest environmental change Earth has ever seen, in this case with beneficial results," said Carl Pilcher, director of the NASA Astrobiology Institute at NASA's Ames Research Center in Moffett Field, Calif., which co-funded the study with the National Science Foundation in Arlington, Va.

Founded in 1998, the NASA Astrobiology Institute is a partnership between NASA, 14 U.S. teams and six international consortia. The institute's goals are to promote, conduct, and lead interdisciplinary astrobiology research; train a new generation of astrobiology researchers; and share the excitement of astrobiology with learners of all ages.

The institute is part of NASA's Astrobiology Program in Washington. The program supports research into the origin, evolution, distribution and future of life on Earth and the potential for life elsewhere.

For more information about the NASA's Astrobiology Program and the institute, visit:

http://astrobiology.nasa.gov


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SOURCE NASA
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