Analog of cosmological particle creation
Dec 03, 2007 |
4.3 / 5 (69) |
6
“In cosmology there’s this quantum effect,” Ralf Schützhold tells PhysOrg.com. “In the universe, there is a ground state, where it is empty. But if the universe starts to expand or contract, the vacuum is distorted, no lon ...
Study: Dark matter in newborn universe doused earliest stars
Dec 03, 2007 |
4.3 / 5 (63) |
4
“Dark star crashes, pouring its light into ashes” – The Grateful Dead, 1967. Perhaps the first stars in the newborn universe did not shine, but instead were invisible “dark stars” 400 to 200,000 times wider ...
Keeping an eye on evolution
Biology /
Dec 03, 2007 |
3.9 / 5 (43) |
0
University of Queensland research has found the “missing link” in the evolution of the eye.
Researchers discover DNA shift never before seen in nature
Dec 03, 2007 |
4.3 / 5 (35) |
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A team of MIT researchers and others has discovered that bacteria employ a type of DNA modification never before seen in nature.
Could hydrogen sulfide hold the key to a long life?
Biology /
Dec 03, 2007 |
4.8 / 5 (59) |
2
Hydrogen sulfide, or H2S, the chemical that gives rotten eggs their sulfurous stench – and the same compound that researchers at Fred Hutchinson Cancer Research Center successfully have used to put mice into a state of reversible ...
Academic uncovers Holy Grail of palaeontology
Other Sciences / Archaeology & Fossils
Dec 03, 2007 |
4.8 / 5 (54) |
1
Palaeontologist Dr Phil Manning, working with National Geographic Channel has uncovered the Holy Grail of palaeontology in the United States: a partially intact dino mummy.
Radiation flashes may help crack cosmic mystery
Dec 03, 2007 |
4.5 / 5 (44) |
3
Faint, fleeting blue flashes of radiation emitted by particles that travel faster than the speed of light through the atmosphere may help scientists solve one of the oldest mysteries in astrophysics.
Radio Waves Fire Up Nanotubes Embedded in Tumors, Destroying Liver Cancer
Nanotechnology / Bio & Medicine
Dec 03, 2007 |
4.7 / 5 (36) |
0
Cancer cells treated with carbon nanotubes can be destroyed by noninvasive radio waves that heat up the nanotubes while sparing untreated tissue, a research team led by scientists at The University of Texas M.D. Anderson ...
Researchers aim to harness sperm power for nano-robots
Nanotechnology / Bio & Medicine
Dec 03, 2007 |
4.1 / 5 (19) |
0
Researchers at Cornell are working to use the same energy that drives sperm to power nanoscale robots or to deliver chemo drugs or antibiotics, for example, to targeted sites within the body. The findings ...
A really inconvenient truth: Divorce is not green
Dec 03, 2007 |
2.8 / 5 (16) |
1
The data are in. Divorce is bad for the environment. A novel study that links divorce with the environment shows a global trend of soaring divorce rates has created more households with fewer people, has taken up more space ...
Fate might not be so unpredictable after all, study suggests
Dec 03, 2007 |
4.3 / 5 (47) |
3
Why does it take so long for soul mates to find each other? How does disease spread through a person’s body? When will the next computer virus attack your hard-drive?
New form of compound stimulates research on hydrogen storage
Dec 03, 2007 |
4.1 / 5 (16) |
1
Research on hydrogen-fueled cars may be one step closer to application thanks to a new form of hydride discovered by scientists at the ESRF. The material, lithium borohydride, is a promising energy storage ...
Serial killers may kill more victims than we think
Dec 03, 2007 |
3.8 / 5 (9) |
1
Serial killers might be responsible for up to 10 times as many U.S. deaths as previously estimated, according to an analysis by a criminologist at Indiana University-Purdue University Indianapolis.
Multi-lab collaboration yields first detailed map of nuclear pore complex
Biology /
Dec 03, 2007 |
4.9 / 5 (18) |
0
A cell’s membrane-bound nucleus contains precious contents — its DNA — so it must be very careful about what enters and leaves this important space. To do this, it uses hundreds to thousands of nuclear pores ...
Scientists generate, modulate, and electrically detect pure spin currents in silicon
Dec 03, 2007 |
4.6 / 5 (29) |
0
Scientists at the Naval Research Laboratory (NRL) have generated, modulated and electrically detected a pure spin current in silicon, the semiconductor used most widely in the electronic device industry. Magnetic ...
