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 ...
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 ...
Study: Dark matter in newborn universe doused earliest stars
Dec 03, 2007 |
4.3 / 5 (64) |
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 ...
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.
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?
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.
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.
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 discover DNA shift never before seen in nature
Dec 03, 2007 |
4.3 / 5 (35) |
0
A team of MIT researchers and others has discovered that bacteria employ a type of DNA modification never before seen in nature.
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 ...
Honey a better option for childhood cough than OTCs
Dec 03, 2007 |
4.8 / 5 (28) |
0
A new study by a Penn State College of Medicine research team found that honey may offer parents an effective and safe alternative than over the counter children's cough medicines.
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 ...
Compact, wavelength-on-demand Quantum Cascade Laser chip offers ultra-sensitive chemical sensing
Dec 03, 2007 |
4.3 / 5 (20) |
0
Engineers from Harvard University have demonstrated a highly versatile, compact and portable Quantum Cascade Laser sensor for the fast detection of a large number of chemicals, ranging from infinitesimal traces of gases to ...
Asteroid Shower
Space & Earth / Space Exploration
Dec 03, 2007 |
4.4 / 5 (18) |
0
Mark your calendar: The best meteor shower of 2007 peaks on Friday, December 14th.
'Smart' flower bulbs pull themselves to deeper ground
Biology /
Dec 03, 2007 |
4.6 / 5 (17) |
1
Confused about the right planting depth for flower bulbs? Trust the bulbs! Researchers have discovered that some flower bulbs are actually "smart" enough to adjust themselves to the right planting depth. A ...
