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A new study shows that changes in the oxygen content at the ocean's surface may have led to an extinction event at the end of the Triassic. Image Credit: NASA
Euxinia in the End Triassic OceanJune 3, 2015
Drawing of Faraday disk, the first homopolar generator, invented by British scientist Michael Faraday in 1831. Credit: Émile Alglave & J. Boulard (1884) The Electric Light: Its History, Production, an
Conservation of Energy in Electromagnetic FieldsJune 3, 2015
NASA's Wide-field Infrared Survey Explorer, or WISE, captured this colorful image of the reflection nebula IRAS 12116-6001. This cloud of interstellar dust cannot be seen directly in visible light, bu
Hydrogen in Interstellar Ice MantlesJune 2, 2015
Image for Article 1
Distributing Marine Bivalves and GastropodsJune 1, 2015
NJ phylogram, starting with 172 representative taxa, limited to only the 23 taxa found in the agreement subtrees for the 100 replicate trees formed using iterations of six predicted orthologs. Credit:
The Order of GenesMay 29, 2015
Image for Article 3
Could ‘Green Rust’ Be a Catalyst for Martian Life?May 29, 2015
This National Weather Service photo depicts a turbulent sea surface in the North Pacific during a storm.
Carotenoids Through TimeMay 28, 2015
Image for Article 2
Amino Acids in ChondritesMay 27, 2015
A view of a hydrothermal vent at the Main Endeavour Field on the Juan de Fuca Ridge, snapped from the submersible Alvin.
Diversity and Distribution Around Hydrothermal VentsMay 27, 2015
A molecular dynamics simulations of a transmembrane ion channel. <a href="https://nai.nasa.gov/annual-reports/2010/arc/origins-of-functional-proteins-and-the-early-evolution-of-metabolism/">Pohorille et al. 2010</a>
Calculating the Conductance of Ion ChannelsMay 27, 2015
NASA’s Curiosity rover is among those machines that have discovered signs of ancient water on Mars. Credit: NASA/JPL-Caltech/Univ. of Arizona
Is There Methane on Mars? III: Revenge of the CowsMay 26, 2015
Astrobiology: The Story of our Search for Life in the Universe. Credit: NASA Astrobiology Program
Astrobiology at the Cartoon Art MuseumMay 20, 2015
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