Supernova shrapnel found in meteorite
(PhysOrg.com) -- Scientists have identified the microscopic shrapnel of a nearby star that exploded just before or during the birth of the solar system 4.5 billion years ago.
(PhysOrg.com) -- Scientists have identified the microscopic shrapnel of a nearby star that exploded just before or during the birth of the solar system 4.5 billion years ago.
Astronomy
Sep 9, 2010
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Comet C/2022 E3 (ZTF) today makes its closest approach to Earth before likely leaving our solar system forever. At billions of years old and not seen since Neanderthals roamed, the green comet continues to intrigue as it ...
Astronomy
Feb 1, 2023
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What rocky moon has a nitrogen-rich atmosphere, Earth-like weather patterns and geology, liquid hydrocarbon seas and a relatively good chance to support life? The answer is Titan, the fascinating moon of Saturn.
Space Exploration
Oct 13, 2011
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Many around the world will watch eagerly this Saturday as NASA launches Artemis I, the agency's first Moon exploration mission since the 1970s.
Space Exploration
Sep 2, 2022
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The discipline of systems chemistry deals with the analysis and synthesis of various autocatalytic systems and is therefore closely related to the study of the origin of life, since it investigates systems that can be considered ...
Biochemistry
Aug 9, 2023
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Baldomero Olivera studies chemical compounds found in the venoms of marine cone snails, a potential source of powerful, yet safe and effective drugs. He will discuss the development of Prialt - an FDA-approved drug for intractable, ...
Biochemistry
Feb 17, 2011
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Barry D. Bruce, professor of biochemistry, cellular and molecular biology, at the University of Tennessee, Knoxville, is turning the term "power plant" on its head. The biochemist and a team of researchers have developed ...
Energy & Green Tech
Feb 2, 2012
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Young, healthy adult volunteers exposed for two hours to ozone developed physiological changes associated with cardiovascular ailments, according to a small study reported in Circulation, an American Heart Association journal.
Environment
Jun 25, 2012
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(PhysOrg.com) -- Cornell researchers have peered into the complex molecular network of receptors that give one-celled organisms like bacteria the ability to sense their environment and respond to chemical changes as small ...
Cell & Microbiology
Feb 20, 2012
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It's a world like no other: a metal-rich asteroid that could be the remnants of a small planet, or perhaps an entirely new type of celestial body unknown to science.
Space Exploration
Oct 12, 2023
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