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Webcasts tagged with keyword "astrobiology"
Friday Nov 6, 2009
STScI Astrobiology Lecture Series
Matthew Pasek (University of South Florida)
Phosphorus is a key element in biological systems, acting in cell replication as RNA and DNA, in cell structure as phospholipids, and in metabolism as ATP. Given its ubiquity in biochemistry, phosphorus was likely present in the origin or early evolu ...
Friday Dec 4, 2009
STScI Astrobiology Lecture Series
Jamie Elsila Cook (GSFC/Goddard Center for Astrobiology)
NASA's Stardust spacecraft returned samples from comet 81P/Wild 2 to Earth in January 2006. Examinations of the organic compounds in cometary samples can reveal information about the prebiotic organic inventory present on the early Earth and within ...
Friday Jun 18, 2010
STScI Astrobiology Lecture Series
Wes Traub (Jet Propulsion Laboratory, Caltech)
What is the best strategy for finding signs of life beyond the Solar System? Until recent years this was a purely philosophical question, but today we have the technical ability to search for signs of life on exoplanets around nearby stars, so the q ...
Friday Apr 9, 2010
STScI Astrobiology Lecture Series
Chris McKay (NASA Ames Research Center)
For the past decade missions to Mars have "followed the water". In this talk I will argue that future missions should begin directly searching for signs of life. The most important result from the recent Mars missions in this regard was the discovery ...
Friday Nov 12, 2010
STScI Astrobiology Lecture Series
Adam Maloof (Princeton University)
A low-latitude distribution of continents may be a prerequisite for the global glaciations that appear to have affected Earth at least twice during the emergence of animals. However, a preponderance of low-latitude continents may also make Earth more ...
Tuesday Feb 5, 2013
Engineering and Technology Colloquia Series
Michelle Borkin  (Harvard University)
What can help enable both the treatment of heart disease and the discovery of newborn stars? Visualization. Specifically interdisciplinary data visualization, the sharing and co-development of tools and techniques across the imaging sciences. In t ...