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News (7884 articles)
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Scientists from King’s and the University of Leicester have for the first time identified definitive variants associated with biological ageing in humans. The discovery has important implications for the understanding of cancer and age associated diseases.The team analyzed more than 500,000... |
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Published on 8 February 2010, 04:57
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A University of Adelaide forensic pathologist has sounded a worldwide warning of the potential lethal dangers of herbal medicines if taken in large quantities, injected, or combined with prescription drugs.A paper by Professor Roger Byard published in the US-based Journal of Forensic Sciences... |
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Published on 8 February 2010, 04:03
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Scientists from the Genome Institute of Singapore (GIS), a biomedical research institute of the Agency for Science, Technology and Research (A*STAR), have discovered a genetic molecule, called Tbx3, which greatly improves the quality of stem cells that have been reprogrammed from differentiated... |
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Published on 8 February 2010, 03:51
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Lewis Carroll might have dreamed up the ‘lipid rafts’ that float around inside our cell membranes. Yet far from featuring as a subplot in Through the Looking Glass, these tiny fat-enriched platforms appear to ramp up the sensitivity of certain immune cells, helping us mount an immune... |
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Published on 8 February 2010, 03:33
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MBL, WOODS HOLE, MA—The phrase “perk up your ears” made more sense last year after scientists discovered how the quietest sounds are amplified in the cochlea before being transmitted to the brain. When a sound is barely audible, extremely sensitive inner-ear “hair cells”—which are... |
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Published on 7 February 2010, 11:13
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Groundbreaking research done at Singapore's Nanyang Technological University’s (NTU) School of Biological Sciences (SBS) could lead to the development of more potent drugs or a vaccine for malaria, which is transmitted to humans by infected mosquitoes and kills up to three million people... |
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Published on 6 February 2010, 09:10
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A five-year, multi-site international study has shown that human papillomavirus (HPV) vaccinations given to adolescents and young women decrease the number of abnormal Pap smears, biopsies and cases of genital warts, researchers report in the final analysis of a study published online Feb. 5,... |
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Published on 6 February 2010, 08:48
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A major hurdle in the ambitious quest to design and construct a radically new kind of quantum computer has been finding a way to manipulate the single electrons that very likely will constitute the new machines' processing components or "qubits." Princeton University's Jason Petta has... |
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Published on 5 February 2010, 12:04
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Just as the heartbeats of today's electronic devices depend on the ability to switch the flow of electricity in semiconductors on and off with lightning speed, the viability of the "spintronic" devices of the future -- technologies that manipulate both the flow and magnetic "spin" of... |
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Published on 5 February 2010, 11:59
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New Haven, Conn. — Researchers at Yale School of Medicine believe they may have discovered how the hormone progesterone acts to prevent preterm birth.The findings will be presented at the Annual Scientific Meeting of the Society for Maternal-Fetal Medicine (SMFM) in Chicago by Errol Norwitz,... |
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Published on 5 February 2010, 11:05
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LA JOLLA, CA—Nuclear pore complexes are best known as the communication channels that regulate the passage of all molecules to and from a cell's nucleus. Researchers at the Salk Institute for Biological Studies, however, have shown that some of the pores' constituent proteins, called... |
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Published on 5 February 2010, 10:57
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An international team of researchers has found an explanation for why some people seem to be more responsive than others to regular endurance exercise - which, in turn, might increase their chances of having a long and healthy life. The cause lies in their DNA, where the scientists have been able... |
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Published on 5 February 2010, 06:07
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With the use of the new super material graphene, Swedish and American researchers have succeeded in producing a new type of lighting component. It is inexpensive to produce and can be fully recycled.The invention, which paves the way for glowing wallpaper made entirely of plastic, for example, is... |
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Published on 5 February 2010, 05:36
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Scientists in Cambridge have made a significant step towards developing a so-called “artificial pancreas” system for managing type 1 diabetes in children. The team has developed and successfully tested a new algorithm, providing a stepping stone to home testing for the artificial pancreas.The... |
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Published on 5 February 2010, 05:17
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Children from urban areas whose mothers suffer from depression during pregnancy are more likely than others to show antisocial behaviour, including violent behaviour, later in life.Furthermore, women who are aggressive and disruptive in their own teen years are more likely to become depressed in... |
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Published on 5 February 2010, 05:00
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TORONTO, ON - A team of University of Toronto chemists have made a major contribution to the emerging field of quantum biology, observing quantum mechanics at work in photosynthesis in marine algae."There's been a lot of excitement and speculation that nature may be using quantum mechanical... |
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Published on 4 February 2010, 17:04
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Pasadena, CA— Astronomers have found the first clear evidence of a binary quasar within a pair of actively merging galaxies. Quasars are the extremely bright centers of galaxies surrounding super-massive black holes, and binary quasars are pairs of quasars bound together by gravity. Binary... |
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Published on 4 February 2010, 14:57
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Important new research about the effects of acupuncture on the brain may provide an understanding of the complex mechanisms of acupuncture and could lead to a wider acceptability of the treatment.The study, by researchers at the University of York and the Hull York Medical School published in... |
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Published on 4 February 2010, 14:52
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New Haven, Conn. — Deciphering microscopic clues hidden within fossils, scientists have uncovered the vibrant colors that adorned a feathered dinosaur extinct for 150 million years, a Yale University-led research team reports online Feb. 4 in the journal Science.Unlike recently published work... |
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Published on 4 February 2010, 14:37
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Findings Support View of Preterm Labor As Immune Response to Infection or Injury.Researchers at the National Institutes of Health have identified DNA variants in mothers and fetuses that appear to increase the risk for preterm labor and delivery. The DNA variants were in genes... |
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Published on 4 February 2010, 13:26
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