Researchers identify possible motive for female philandering
Result marks arrival of high-precision calculations of ultracomplex strong nuclear force
Continue reading about At Long Last, Physicists Calculate the Proton’s Mass
Errant ice might have driven ancient surges of carbon dioxide
Massive energy releases occur every day in the upper reaches of Earth’s atmosphere. Lightning may give rise to these bursts of radiation. However, unlike the well-known flashes of light and peals of thunder familiar to Earth-dwellers, these energy releases are channeled upward and can be detected only from space. Our atmosphere protects us from the [...]
Scientists have discovered the key chemical that signals Bacillus anthracis, the bacterium that causes anthrax, to become lethal. This finding opens up new avenues of exploration for the development of treatments for bacterial infections.
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Some sell for more than .5 million. Only 700 of them exist, and they’re stored in vaults, frequently stolen and often counterfeited. The object in question? Stradivarius violins, constructed by famed Italian instrument-maker Antonio Stradivari between 1680 and 1720. Treasured for possessing sublime acoustic properties, these rare instruments have spawned dozens of theories attempting to [...]
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Women who are found to have isolated breast cancer cells upon sentinel lymph node biopsy have a risk of having metastases in other lymph nodes.
In the Arctic in spring, the snow cover gives off nitrogen oxides. This phenomenon, the extent of which had not been previously realized, is the source of one third of the nitrates present in the Arctic atmosphere, according to researchers. Scientists made a quantitative study of the origin and evolution of nitrogen compounds in the [...]
Continue reading about Snow In The Arctic: An Ingredient In A Surprising Chemical Cocktail
Students are creating idealized versions of themselves on social networking websites — Facebook and MySpace are the most popular — and using these sites to explore their emerging identities, psychologists report. Parents often understand very little about this phenomenon, they say.
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Thanks to our ability to learn and to remember, we can perform tasks that other living things can not even dream of. However, we are only just beginning to get the gist of what really goes on in the brain when it learns or forgets something. What we do know is that changes in the [...]
Continue reading about Forgotten But Not Gone: How The Brain Re-learns