(PhysOrg.com) -- Early data from a Columbia-led dark matter experiment rule out recent hints by other scientists who say they have found the elusive particle that holds the universe together. The findings show that dark matter, ...
General Physics
May 6, 2010
30
0
Among the most astounding, unexpected, and important achievements of the past century (or even more) have been the discoveries of dark matter and dark energy, collectively dubbed the "dark sector."
General Physics
Sep 8, 2009
56
0
(PhysOrg.com) -- The dust-filled disks where new planets may be forming around other stars occasionally take on some difficult-to-understand shapes. Now, a team led by John Debes at NASA's Goddard Space Flight Center in Greenbelt, ...
Astronomy
Aug 28, 2009
1
0
Scientists using NASA's fleet of THEMIS spacecraft have discovered how radio waves produced by electrons injected into Earth's near-space environment both generate and remove high-speed "killer" electrons.
General Physics
May 7, 2009
6
0
The extent to which aerosol particles affect the climate depends on how much water the particles can hold in the atmosphere. The capacity to hold water is referred to as hygroscopicity (K) and, in turn, depends on further ...
Earth Sciences
Nov 21, 2023
0
86
Bringing protons up to speed with strong laser pulses—this still young concept promises many advantages over conventional accelerators. For instance, it seems possible to build much more compact facilities. Prototypes to ...
Optics & Photonics
Jul 31, 2023
1
12
New theoretical research by Michael Wondrak, Walter van Suijlekom and Heino Falcke of Radboud University has shown that Stephen Hawking was right about black holes, although not completely. Due to Hawking radiation, black ...
Astronomy
Jun 2, 2023
86
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Micro and nanoplastics are pervasive in our food supply and may be affecting food safety and security on a global scale, a new study led by CSIRO, Australia's national science agency, has found.
Environment
May 19, 2023
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179
A team of scientists led by Dr. Kei-ichi Takata from the Center for Genomic Integrity (CGI) within the Institute for Basic Science (IBS), has discovered a new type of DNA repair mechanism that cancer cells use to recover ...
Cell & Microbiology
Mar 16, 2023
0
53
In addition to oxygen, nitrogen or carbon dioxide, the air we breathe contains small amounts of organic gases, such as benzene and toluene. These oxidize into small particles or aerosols that contribute to the condensation ...
Earth Sciences
Jan 31, 2023
0
50
