Stars like the sun are remarkably constant. They vary in brightness by only 0.1% over years and decades, thanks to the fusion of hydrogen into helium that powers them. This process will keep the sun shining steadily for about ...
Astronomy
Apr 1, 2024
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83
Time-lapse imaging can make complicated processes easier to grasp—think of a stitched-together sequence of photos that chronicles the construction of a building. Now, scientists from the Department of Energy's Lawrence ...
Cell & Microbiology
Sep 2, 2015
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Last year's Nobel Prize in Chemistry – shared by Stanford School of Medicine Professor Brian Kobilka and Robert Lefkowitz of Duke University – recognized groundbreaking research in G protein-coupled receptors (GPCRs). ...
General Physics
May 10, 2013
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0
Biological molecules such as proteins can contain hundreds of thousands of atoms, which makes it very difficult to understand their function in detail. Identifying the exact atomic structure of these complex molecules is ...
General Physics
Jul 18, 2014
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0
Targeted alpha therapy can destroy cancerous cells without harming healthy cells. It's especially useful for treating metastasized cancers. The Department of Energy (DOE) Office of Science's Isotope Program is developing ...
Materials Science
Jun 20, 2023
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11
(PhysOrg.com) -- In extreme environments, some materials quickly recover from being hit by energetic ions, while other materials are permanently scarred, according to scientists at Pacific Northwest National Laboratory, the ...
Materials Science
Jul 16, 2010
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0
All particles that reach the atmosphere cause different chemical reactions. Particles come partly from natural sources such as volcanic eruptions and forest fires, and partly from pollution and emissions. Aerosol researcher ...
Earth Sciences
Oct 9, 2023
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5
(PhysOrg.com) -- The skin's pigment cells can be formed from completely different cells than has hitherto been thought, a new study from the Swedish medical university Karolinska Institutet shows. The results, which are published ...
Cell & Microbiology
Oct 16, 2009
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0
Reliable information about the structure of pharmaceutical compounds is important for patient safety, for the development of related drugs and for patenting purposes. However, working out the structures of pharmaceuticals ...
General Physics
Feb 26, 2016
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9
The Trump administration is quietly moving to weaken U.S. radiation regulations, turning to scientific outliers who argue that a bit of radiation damage is actually good for you—like a little bit of sunlight.
Environment
Oct 2, 2018
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