Precise Alignment to Quantum Dots May 12, 2008 | User rating: 4.7 / 5 after 27 vote(s)
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“Precise lithographic alignment to site-controlled quantum dots is of major importance for numerous nano-photonic, nano-electronic and nano-spintronic devices,” Sven Höfling tells PhysOrg.com. | |
How embryonic stem cells develop into tissue-specific cells demonstrated May 12, 2008 | User rating: 4.7 / 5 after 7 vote(s)
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While it has long been known that embryonic stem cells have the ability to develop into any kind of tissue-specific cells, the exact mechanism as to how this occurs has heretofore not been demonstrated. Now, researchers at ... | |
Disclosing drug makers payments to docs gets boost May 13, 2008 | User rating: 4.7 / 5 after 7 vote(s)
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(AP) -- Legislation that would require prescription drug makers to disclose payments to doctors got a boost Tuesday when Eli Lilly and Co. broke ranks with the industry and endorsed the bill. | |
 Astrophysicists discover youngest known supernova in Milky Way May 14, 2008 | User rating: 4.7 / 5 after 14 vote(s)
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A North Carolina State University researcher has discovered the youngest known supernova in our galaxy. Estimated at a mere 140 years old, this celestial whippersnapper is at least 200 years younger than the ... | |
 Spin Control: New Technique Sorts Nanotubes by Length May 14, 2008 | User rating: 4.7 / 5 after 10 vote(s)
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Researchers at the National Institute of Standards and Technology (NIST) have reported a new technique to sort batches of carbon nanotubes by length using high-speed centrifuges. Many potential applications ... | |
New efficiency record for solar cells May 14, 2008 | User rating: 4.7 / 5 after 40 vote(s)
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Physicist Bram Hoex and colleagues at Eindhoven University of Technology, together with the Fraunhofer Institute in Germany, have improved the efficiency of an important type of solar cell from 21.9 to 23.2 percent (a relative ... | |
New study casts further doubt on risk of death from higher salt intake May 15, 2008 | User rating: 4.7 / 5 after 10 vote(s)
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Contrary to long-held assumptions, high-salt diets may not increase the risk of death, according to investigators from the Albert Einstein College of Medicine of Yeshiva University. They reached their conclusion after examining ... | |
What's the difference between a human and a fruit fly? May 12, 2008 | User rating: 4.7 / 5 after 6 vote(s)
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Fruit flies are dramatically different from humans not in their number of genes, but in the number of protein interactions in their bodies, according to scientists who have developed a new way of estimating the total number ... | |
 Scientists probe recent coyote attacks in California May 12, 2008 | User rating: 4.7 / 5 after 6 vote(s)
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(AP) -- The coyote was limping as it approached a girl in a sand box at a public park - but it was still dangerous. It snapped its jaws on the girl's buttocks and her nanny had to pry the toddler from the ... | |
Tooth loss strongly linked to risk of esophageal, head and neck, and lung cancer May 14, 2008 | User rating: 4.7 / 5 after 6 vote(s)
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Studying thousands of patients, Japanese researchers have found a strong link between tooth loss and increased risk of three cancers – esophageal, head and neck, and lung. They suggest that preservation of teeth may decrease ... | |
 Improved Ion Mobility Is Key to New Hydrogen Storage Compound May 14, 2008 | User rating: 4.7 / 5 after 6 vote(s)
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A materials scientist at the National Institute of Standards and Technology has deciphered the structure of a new class of materials that can store relatively large quantities of hydrogen within its crystal ... | |
Google starts to blur faces in Street View photos May 14, 2008 | User rating: 4.7 / 5 after 6 vote(s)
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(AP) -- After privacy complaints, Google Inc. is beginning to automatically blur faces of people captured in the street photos taken for its Internet map program. Rolling it out will take several months, however. | |
 First evidence of native dendritic cells in brain May 15, 2008 | User rating: 4.7 / 5 after 9 vote(s)
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In a finding that has the potential to change the way researchers think about the brain, scientists at Rockefeller University have found dendritic cells where they’ve never been seen before: among this organ’s ... | |
Scientists unveil new tool to understand evolution of multi-domain genes 12 hours ago | User rating: 4.7 / 5 after 6 vote(s)
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Carnegie Mellon scientists have discovered critical flaws in the standard method used to analyze gene evolution. Standard methods fail when applied to genes that encode multi-domain proteins, an important class of proteins ... | |
HIV infection stems from few viruses 12 hours ago | User rating: 4.7 / 5 after 9 vote(s)
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A new study reveals the genetic identity of human immunodeficiency virus (HIV), the version responsible for sexual transmission, in unprecedented detail. | |
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