An ancient retrovirus is resurrected
Biology /
Feb 20, 2007 |
4.8 / 5 (28) |
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Retroviruses have been around longer than humanity itself. In fact, the best-known family member, HIV, is a relative youngster, with its first known human infections occurring sometime in the mid-20th century.
Under pressure, vanadium won't turn down the volume
Feb 20, 2007 |
4.5 / 5 (27) |
0
Scientists at Carnegie’s Geophysical Laboratory have discovered a new type of phase transition—a change from one form to another—in vanadium, a metal that is commonly added to steel to make it harder and more durable. Under ...
Integral expands our view of the gamma-ray sky
Feb 20, 2007 |
4.6 / 5 (22) |
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Integral's latest survey of the gamma-ray universe continues to change the way astronomers think of the high-energy cosmos. With over seventy percent of the sky now observed by Integral, astronomers have been ...
Photo software creates 3-D world
Feb 20, 2007 |
4 / 5 (24) |
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In the digital age, organizing a photo collection has gone from bad to worse. The saying used to be that a picture is worth a thousand words. Now the question arises: what are a thousand pictures worth? In ...
The mysterious case of Columbus's silver ore
Other Sciences / Archaeology & Fossils
Feb 20, 2007 |
4.3 / 5 (21) |
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Silver-bearing ore found at the settlement founded by Christopher Columbus's second expedition was not mined in the Americas, new research reveals. The ore that researchers excavated from the settlement, La ...
Nanotubes transport gene therapy drug into T-cells known to block HIV from entering cells in vitro
Nanotechnology / Bio & Medicine
Feb 20, 2007 |
4.2 / 5 (21) |
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A promising approach to gene therapy involves short DNA fragments (interfering RNA) that bind to specific genes and block their "translation" into the corresponding, disease-related protein. A stumbling block has been the ...
AMD Releases New Desktop Processors
Feb 20, 2007 |
4.3 / 5 (19) |
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AMD today introduced desktop processors designed for users seeking the ultimate in energy-conscious or high-performance computing.
New research finds people and pigeons see eye to eye
Biology /
Feb 20, 2007 |
4.8 / 5 (14) |
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Pigeons and humans use similar visual cues to identify objects, a finding that could have promising implications in the development of novel technologies, according to new research conducted by a University ...
Nano Printing Technique Produces Model Membranes
Nanotechnology / Bio & Medicine
Feb 20, 2007 |
4.2 / 5 (16) |
0
An international team of investigators based in the United States and Germany has modified the nanoscale printing technique known as dip-pen nanolithography to create large numbers of model cell membranes. This method, published ...
Practice of farming reaches back farther than thought
Other Sciences / Archaeology & Fossils
Feb 20, 2007 |
4.4 / 5 (15) |
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Ancient people living in Panama were processing and eating domesticated species of plants like maize, manioc, and arrowroot at least as far back as 7,800 years ago – much earlier than previously thought – according to new ...
Spearmint tea -- A possible treatment for mild hirsutism
Feb 20, 2007 |
4.6 / 5 (12) |
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Women with hirsutism grow hair on their faces, breasts and stomachs. This can cause great distress. The hair grows because they have abnormally high levels of the ‘masculinising’ androgen hormones. Androgens travel around ...
Toshiba Plug Loophole in Security of Quantum Cryptography
Feb 20, 2007 |
4.3 / 5 (12) |
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Toshiba Research announced today that it has developed two new technologies to realize 'unconditionally secure' quantum key distribution (QKD). To achieve this, Toshiba has overcome a potential security loophole in current ...
Study shows genetic link for schizophrenia
Feb 20, 2007 |
4.6 / 5 (11) |
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Gene mutations governing a key brain enzyme make people susceptible to schizophrenia and may be targeted in future treatments for the psychiatric illness, according to MIT and Japanese researchers.
Alaskan drilling will assess gas hydrate
Space & Earth / Earth Sciences
Feb 20, 2007 |
4.1 / 5 (9) |
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Drilling has started on an Alaskan North Slope well to assess the United States' largest potential fossil energy resource: gas hydrate.
Negative grief emotions decline about 6-months after the loss of a loved one
Medicine & Health / Psychology & Psychiatry
Feb 20, 2007 |
4 / 5 (9) |
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After the death of a loved one from natural causes, the normal responses from most people are acceptance and yearning for the deceased, according to a new study in the February 21 issue of JAMA that is an empirical examination ...
