Where do most of the elements essential for life on Earth come from? The answer: inside the furnaces of stars and the explosions that mark the end of some stars' lives.
Astronomy
Dec 12, 2017
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392
Oxygen is the third most abundant element in the universe (after hydrogen and helium) and of course it is important: all known life forms require liquid water and its oxygen content. For over thirty years, astronomers have ...
Astronomy
Jul 27, 2015
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119
It's not just in toothpaste and mouthwash—fluoride is found in just about everything from rocks and water to the soil and the sea. It is the 13th most abundant element in the Earth's crust, and it's extremely toxic to single-celled ...
Cell & Microbiology
Sep 19, 2013
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ALMA opens another window to the universe in the 500 GHz frequency band. Astronomers successfully synthesized the distribution of atomic carbon around a planetary nebula NGC 6302 in test observations with the ALMA Band 8 ...
Astronomy
Sep 2, 2013
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Researchers at the University of Basel have successfully replaced the rare element iodine in copper-based dye-sensitized solar cells by the more abundant element cobalt, taking a step forward in the development of environmentally ...
Materials Science
Aug 2, 2013
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(Phys.org) —A discovery at the University of Wisconsin-Madison may represent a significant advance in the quest to create a "hydrogen economy" that would use this abundant element to store and transfer energy.
Materials Science
Jul 2, 2013
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(Phys.org) —Hydrogen is the most abundant element in the universe. The way it responds under extreme pressures and temperatures is crucial to our understanding of matter and the nature of hydrogen-rich planets.
Condensed Matter
Jun 3, 2013
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(Phys.org) —A unique atomic-scale engineering technique for turning low-efficiency photocatalytic "white" nanoparticles of titanium dioxide into high-efficiency "black" nanoparticles could be the key to clean energy technologies ...
Nanomaterials
Apr 11, 2013
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Since the Big Bang, the universe has been evolving. From the formations of simple protons and neutrons to the wide breadth of elements and molecules known today, it is ever growing in complexity and variety. And now, nuclear ...
General Physics
Oct 12, 2012
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Methane (CH4) is a potent greenhouse gas with a global warming potential 28 –34 times that of carbon dioxide on a centennial time scale. Microbial CH4 oxidation acts as a biofilter, preventing more than 90% of CH4 from ...
Biochemistry
Apr 20, 2023
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