Tunneling Electrons Do Math
Aug 02, 2007 |
4.7 / 5 (55) |
0
Using a novel computing paradigm involving counting single electrons, computer engineers have designed nano-sized circuitry that allows tunneling electrons to perform mathematical division calculations.
Beyond Mesopotamia: A radical new view of human civilization reported
Other Sciences / Archaeology & Fossils
Aug 02, 2007 |
4.4 / 5 (53) |
0
A radically expanded view of the origin of civilization, extending far beyond Mesopotamia, is reported by journalist Andrew Lawler in the 3 August issue of Science.
Electric fields have potential as a cancer treatment
Aug 02, 2007 |
4.8 / 5 (32) |
0
Low-intensity electric fields can disrupt the division of cancer cells and slow the growth of brain tumors, suggest laboratory experiments and a small human trial, raising hopes that electric fields will become ...
Unravelling the random fluctuations of nothing
Aug 02, 2007 |
4 / 5 (29) |
0
The dream of theoretical physics is to unite behind a common theory that explains everything, but that goal has remained highly elusive. String theory emerged 40 years ago as one of the most promising candidates for such ...
2006 tectonic plate motion reversal near Acapulco puzzles earthquake scientists
Space & Earth / Earth Sciences
Aug 02, 2007 |
4.3 / 5 (26) |
0
A reversal of tectonic plate motion between Acapulco and Mexico City in the last half of 2006 probably didn't ease seismic strain in the region or the specter of a major earthquake anticipated there in the ...
Planet orbiting a giant red star discovered with hobby-eberly telescope
Aug 02, 2007 |
4.4 / 5 (25) |
0
A planet orbiting a giant red star has been discovered by an astronomy team led by Penn State's Alex Wolszczan, who in 1992 discovered the first planets ever found outside our solar system. The new discovery ...
Tongue movements allow quadriplegics to control computers
Aug 02, 2007 |
4.9 / 5 (14) |
0
Using the pressure waves in the ear caused by tongue movements, researchers have designed a technique for interfacing with computers. For the millions of people living with spinal cord injuries, this hands-free, ...
Native fruits bear sweet antioxidants
Aug 02, 2007 |
4.9 / 5 (10) |
0
Twelve native Australian fruits that are exceptional sources of antioxidants have been identified in research published in the journal Innovative Food Science & Emerging Technologies.
How a pain in the neck could be bad for your blood pressure
Aug 02, 2007 |
4 / 5 (11) |
0
A chance discovery in the lab has helped University of Leeds scientists to show how the treatment for a stiff neck could do wonders for your blood pressure.
Two Nicotine Addiction Puzzles Explained
Aug 02, 2007 |
4.7 / 5 (9) |
0
The stranglehold of nicotine addiction leads to more than four million smoking-related deaths each year. Scientists at the California Institute of Technology have now explained two roots of that addiction. The discoveries ...
Immunity in social amoeba suggests ancient beginnings
Biology /
Aug 02, 2007 |
4.9 / 5 (8) |
0
Finding an immune system in the social amoeba (Dictyostelium discoideum) is not only surprising but it also may prove a clue as to what is necessary for an organism to become multicellular, said the Baylor College of Medicine ...
Porphyrin electron-transfer reactions observed at the molecular level
Aug 02, 2007 |
4.6 / 5 (8) |
0
Researchers at Temple University have observed and documented electron transfer reactions on an electrode surface at the single molecule level for the first time, a discovery which could have future relevance to areas such ...
Cassini Finds Possible Origin of One of Saturn's Rings
Aug 02, 2007 |
4.5 / 5 (8) |
0
Cassini scientists may have identified the source of one of Saturn's more mysterious rings. Saturn's G ring likely is produced by relatively large, icy particles that reside within a bright arc on the ring's ...
Zinc lozenges an ineffective treatment for colds
Aug 02, 2007 |
4.1 / 5 (7) |
0
Despite 20 years of research, the benefits of zinc lozenges as a therapy for the common cold have not been proven. A new study, published in the Sept. 1 issue of Clinical Infectious Diseases, currently available online, review ...
Handsome by Chance
Biology /
Aug 02, 2007 |
3.2 / 5 (9) |
0
Chance, not natural selection, best explains why the modern human skull looks so different from that of its Neanderthal relative, according to a new study led by Tim Weaver, assistant professor of anthropology at UC Davis.
