2007-05-04 | SCIENCE
NAIs Tullis Onstott makes Time 100

Astrobiologist Tullis Onstott has made this years "Time 100, an annual list of the 100 men and women whose power, talent or moral example is transforming the world, according to list-maker Time magazine.

Onstott, a professor of geomicrobiology in the Department of Geosciences at Princeton University, is a member of the NASA Astrobiology Institutes Indiana-Princeton-Tennessee Astrobiology Initiative (IPTAI), an NAI research team focusing on detection of biosustainable energy and nutrient cycling in the deep subsurface of Earth and Mars. Onstott is collaborating with geochemists, chemists, microbiologists, and hydrologists on the IPTAI team to investigate the physical and chemical limitations on subsurface Earth life, toward developing subsurface life detection strategies for Mars.

Onstott is one of 19 scientists and thinkers included in the Time 100. Until we collect living aliens, he's showing us they're probably there to be found, writes Times Carolyn Sayre. Learn more information on Onstotts work. .

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