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Scientists give a hand(edness) to the search for alien life
Date:4/23/2009

shine light on plant leaves and bacteria, and then detect the polarized reflections from the organisms chlorophyll from a short distance away. The device detected chirality from both sources.

The team intends to improve its detector so it can look at pond surfaces and then landscape-sized regions on Earth. Provided the team continues to get good results, Germer says, they will propose that it be built into a large telescope or mounted on a space probe.

We need to be sure we get a signal from our own planet before we can look at others, he says. But whats neat about the concept is that it is sensitive to something that comes from the process behind organic self-assembly, but not necessarily life as we know it.


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Contact: Chad Boutin
boutin@nist.gov
301-975-4261
National Institute of Standards and Technology (NIST)
Source:Eurekalert

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