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The Search for Life on Other Planets Could Get a Boost from Biosignatures | Los Angeles Times
By studying the atmospheric contents of ancient and present-day Earth, scientists say they've discovered specific chemical combinations that could reveal the presence of biological activity on other planets. David Catling, a UW Earth and space sciences professor, is quoted. Joshua Krissansen-Totton, a doctoral student in Earth and space sciences at the UW, is mentioned.
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