String Theory's Next Top Model
Oct 25, 2007 |
4.1 / 5 (98) |
3
Ernest Rutherford used to tell his physics students that if they couldn't explain a concept to a barmaid, they didn't really understand the concept. With regard to the cosmological implications of string theory, ...
Scientists discover possible cosmic defect, remnant from Big Bang
Oct 25, 2007 |
4.5 / 5 (86) |
5
Scientists from the Institute of Physics of Cantabria (IFCA) and the University of Cambridge may have discovered an example of a cosmic defect, a remnant from the Big Bang called a texture. If confirmed, their discovery, ...
Meteor no longer prime suspect in great extinction
Space & Earth / Earth Sciences
Oct 25, 2007 |
4.3 / 5 (72) |
2
The greatest mass extinction in Earth’s history also may have been one of the slowest, according to a study that casts further doubt on the extinction-by-meteor theory.
New insights into how lasers cut flesh
Oct 25, 2007 |
4.5 / 5 (37) |
0
Lasers are at the cutting edge of surgery. From cosmetic to brain surgery, intense beams of coherent light are gradually replacing the steel scalpel for many procedures.
Ancient DNA reveals that some Neanderthals were redheads
Biology /
Oct 25, 2007 |
4.6 / 5 (36) |
0
Ancient DNA retrieved from the bones of two Neanderthals suggests that at least some of them had red hair and pale skin, scientists report this week in the journal Science. The international team says that N ...
Missing Black Hole Report: Hundreds Found!
Space & Earth / Space Exploration
Oct 25, 2007 |
4.5 / 5 (34) |
5
Astronomers have unmasked hundreds of black holes hiding deep inside dusty galaxies billions of light-years away.
Scientists find new causes for neurodegeneration
Oct 25, 2007 |
4.6 / 5 (25) |
0
Diseases that cause neurons to break-down, such as Alzheimer's, Multiple Sclerosis and Creutzfeldt-Jakob disease (Mad Cow Disease), continue to be elusive to scientists and resistant to treatments.
Hubble spies shells of sparkling stars around quasar
Oct 25, 2007 |
4.6 / 5 (25) |
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New images taken with NASA’s Hubble Space Telescope – part of a research project led by UC Riverside’s Gabriela Canalizo – have revealed the wild side of an elliptical galaxy, nearly two billion light-years ...
How to design a cancer-killing virus
Oct 25, 2007 |
4.4 / 5 (22) |
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One new way to treat individuals with cancer that is being developed is the use of viruses that infect and kill cancer cells while leaving normal cells unharmed. These viruses are known as virotherapeutics. In a new study, ...
Seismologists see Earth's interior as interplay between temperature, pressure and chemistry
Space & Earth / Earth Sciences
Oct 25, 2007 |
4.1 / 5 (19) |
0
Seismologists in recent years have recast their understanding of the inner workings of Earth from a relatively benign homogeneous environment to one that is highly dynamic and chemically diverse. This new ...
Scientists alter sexual orientation in worms
Biology /
Oct 25, 2007 |
3.9 / 5 (19) |
1
University of Utah biologists genetically manipulated nematode worms so the animals were attracted to worms of the same sex – part of a study that shows sexual orientation is wired in the creatures’ brains.
Like it or not, uncertainty and climate change go hand in hand
Space & Earth / Earth Sciences
Oct 25, 2007 |
2.2 / 5 (33) |
3
Despite decades of ever more-exacting science projecting Earth's warming climate, there remains large uncertainty about just how much warming will actually occur.
Scientists discover tiny RNAs play a big role in controlling genes
Oct 25, 2007 |
4.1 / 5 (17) |
0
A study by researchers at the Yale Stem Cell Center for the first time demonstrates that piRNAs, a recently discovered class of tiny RNAs, play an important role in controlling gene function, it was reported this week in ...
Probing Question: How does anesthesia work?
Oct 25, 2007 |
4.3 / 5 (16) |
2
Many inventions of the 19th century -- telephones, airplanes, phonographs -- have helped to shape the modern world. However, it could be argued that the 1846 discovery of effective surgical anesthesia holds a place of honor ...
Drugstore in the dirt
Space & Earth / Earth Sciences
Oct 25, 2007 |
4.8 / 5 (12) |
0
French clay that kills several kinds of disease-causing bacteria is at the forefront of new research into age-old, nearly forgotten, but surprisingly potent cures. Among the malevolent bacteria that a French clay has been ...
