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BIOLOGY News
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| Caltech scientists create DNA tubes with programmable sizes for nanoscale manufacturing Fri, 29 Aug 2008 00:00:00 EDT |
(California Institute of Technology) Scientists at the California Institute of Technology have developed a simple process for mass producing molecular tubes of identical -- and precisely programmable -- circumferences. The technological feat may allow the use of the molecular tubes in a number of nanotechnology applications. |
| Key discovered to cold tolerance in corn Fri, 29 Aug 2008 00:00:00 EDT |
(American Society of Plant Biologists) Demand for corn -- the world's number one feed grain and a staple food for many -- is outstripping supply, resulting in large price increases that are forecast to continue over the next several years. If corn's intolerance of low temperatures could be overcome, then the length of the growing season, and yield, could be increased at present sites of cultivation and its range extended into colder regions. |
| Diversity among parasitic wasps is even greater than suspected Fri, 29 Aug 2008 00:00:00 EDT |
(University of Illinois at Urbana-Champaign) A tiny wasp that lays its eggs under the skin of unwitting caterpillars belongs to one of the most diverse groups of insects on Earth. Now researchers report that its diversity is even higher than previously thought (This report includes an audio slide show). |
| Growth factor predicts poor outcome in breast cancer Fri, 29 Aug 2008 00:00:00 EDT |
(Baylor College of Medicine) The response to insulin-like growth factor 1 (IGF-I) in breast cancer cells predicts an aggressive tumor that is less likely to respond to treatment, said researchers at Baylor College of Medicine in a report that appears in the current issue of the Journal of Clinical Oncology. The finding gives impetus to the movement to tailor cancer treatments to attributes of the various tumors. |
| Engineers create bone that blends into tendons Fri, 29 Aug 2008 00:00:00 EDT |
(Georgia Institute of Technology) Engineers at Georgia Tech have used skin cells to create artificial bones that mimic the ability of natural bone to blend into other tissues such as tendons or ligaments. The artificial bones provide for better integration with the body and handle weight more successfully. |
| Protecting those who heal Fri, 29 Aug 2008 00:00:00 EDT |
(International Atomic Energy Agency) Patients are not the only ones at risk during cardiac procedures. Doctors performing heart surgery also face health risks, namely to their eyes.The IAEA is helping to raise awareness of threats, through training in radiation protection related to medical uses of X-ray imaging systems. |
| Study confirms vCJD could be transmitted by blood transfusion Fri, 29 Aug 2008 00:00:00 EDT |
(University of Edinburgh) A nine-year study in sheep has added to the evidence that vCJD can be transmitted through blood transfusion in humans. The findings underline the importance of precautions against vCJD transmission, such as the Government decision in 2004 to ban blood donations from anyone who had received a blood transfusion since 1980. |
| Blood vessel cells are instructed to form tube-like structures Fri, 29 Aug 2008 00:00:00 EDT |
(Uppsala University) A research group from Uppsala University shows for the first time that a special type of "instructor" molecule is needed for blood vessel cells to organize in tubes and not in layers. to accomplish this. This might be an important step towards using stem cells to build new organs. |
| Researchers discover atomic bomb effect results in adult-onset thyroid cancer Fri, 29 Aug 2008 00:00:00 EDT |
(American Association for Cancer Research) Radiation from the atomic bomb blasts in Hiroshima and Nagasaki, Japan, in 1945, likely rearranged chromosomes in some survivors who later developed papillary thyroid cancer as adults, according to Japanese researchers. |
| No more big stink: scent lures mosquitoes, but humans can't smell it Thu, 28 Aug 2008 00:00:00 EDT |
(University of California - Division of Agriculture & Natural Resources) Mosquito traps that reek like latrines may be no more. A University of California, Davis, research team led by chemical ecologist Walter Leal has discovered a low-cost, easy-to-prepare attractant that lures blood-fed mosquitoes without making humans hold their noses. |
| Study shows more genes are controlled by biological clocks Thu, 28 Aug 2008 00:00:00 EDT |
(University of Georgia) Researchers at the University of Georgia report that the number of genes under control of in living things than suspected only a few years ago. The biological clock in a much-studied model organism is dramatically higher than previously reported. The new study implies that the clock may be much more important. |
| Location, location, location important for genes, too Thu, 28 Aug 2008 00:00:00 EDT |
(Ohio State University Medical Center) To better understand how cells become cancerous, a new study by Ohio State University cancer researchers looks at four genes that help regulate cell growth in embryos and contribute to cancer in adults. The genes are generally believed to work together to help control cell proliferation. But this study, published in the journal Nature, shows that mice need just one of the four genes to develop from fertilized eggs through adulthood. |
| Feats of strength begin a lizard's day Thu, 28 Aug 2008 00:00:00 EDT |
(University of California - Davis) Male Jamaican anole lizards begin and end the day with displays of reptilian strength -- push-ups, head bobs and extensions of a colorful neck flap, or dewlap -- to defend their territory, according to a new study. |
| Great Ape Trust graduate student's paper sheds light on bonobo language Thu, 28 Aug 2008 00:00:00 EDT |
(Great Ape Trust of Iowa) What happens when linguistic tools used to analyze human language are applied to a conversation between a language-competent bonobo and a human? The findings, published this month in the Journal of Integrative Psychological and Behavioral Science, indicate that bonobos may exhibit larger linguistic competency in ordinary conversation than in controlled experimental settings. |
| 'Armored' fish study helps strengthen Darwin's natural selection theory Thu, 28 Aug 2008 00:00:00 EDT |
(University of British Columbia) Shedding some genetically induced excess baggage may have helped a tiny fish thrive in freshwater and outsize its marine ancestors, according to a UBC study published today in Science Express. |
| Biophysical method may help to recover hearing Thu, 28 Aug 2008 00:00:00 EDT |
(Public Library of Science) Scientists based in Switzerland and South Africa have created a biophysical methodology that may help to overcome hearing deficits, and potentially remedy even substantial hearing loss. The authors propose a method of retuning functioning regions of the ear to recognize frequencies originally associated with damaged areas. Details are published Aug. 29 in the open-access journal PLoS Computational Biology. |
| National security remedies among topics at surveillance confab Thu, 28 Aug 2008 00:00:00 EDT |
(University of Houston) Presenting new research about national, home and business security systems and measures, a conference established by a University of Houston professor and his colleagues has become the premier forum for the research community when it comes to surveillance. The fifth annual IEEE International Conference on Advanced Video and Signal-Based Surveillance will be held Sept. 1-3 in Santa Fe, N.M. Participants in the conference include prominent figures in surveillance from academia, government and the high-tech industry. |
| Breaking harmful bonds Thu, 28 Aug 2008 00:00:00 EDT |
(Brandeis University) Everybody loves the way eggs slide off of Teflon pans. Indeed, the carbon-fluorine bond at the heart of Teflon cookware is so helpful we also use it in products from clothing to blood substitutes. But the very strength of the C-F bond also gives it greenhouse gas effects. In Science this week, Brandeis researchers report a catalyst that breaks the C-F bond and converts it to a carbon-hydrogen bond, rendering it harmless to the environment. |
| Unexpected large monkey population discovered Thu, 28 Aug 2008 00:00:00 EDT |
(Wildlife Conservation Society) A WCS report reveals surprisingly large populations of two globally threatened primates in a protected area in Cambodia. The report counted 42,000 black-shanked douc langurs along with 2,500 yellow-cheeked crested gibbons in Cambodia's Seima Biodiversity Conservation Area, an estimate that represents the largest known populations for both species in the world. |
| 2008 congress in Nice heralds fusion of ELSO with EMBO Thu, 28 Aug 2008 00:00:00 EDT |
(European Molecular Biology Organization) The four full days of cutting-edge molecular life science research on display in Nice this week mark the seventh and last ELSO congress. The organization will fuse at the end of 2008 with EMBO. This incorporation of ELSO into EMBO not only sets the stage for the EMBO Meeting, a new annual life science conference beginning in Amsterdam in 2009, but also consolidates the commitment of EMBO to the broad community of European life science researchers. |
| Springer bee expert Juergen Tautz wins prize for public communication Thu, 28 Aug 2008 00:00:00 EDT |
(Springer) Juergen Tautz will receive a special discretionary prize as part of the 2008 European Molecular Biology Organization Award for Communication in the Life Sciences. The award was made in recognition of Tautz's long-term public communication activity on a single organism using all available media. Tautz is the author of the Springer book "The Buzz About Bees," a fascinating treatise looking at all aspects of bees and bee colonies. |
| New beta-blocker to offer hope to heart and lung sufferers Thu, 28 Aug 2008 00:00:00 EDT |
(University of Nottingham) Researchers at the University of Nottingham have been awarded £2.8 million by the Wellcome Trust to develop a new drug that could ease the suffering of hundreds of thousands of heart disease patients who are unable to take beta-blockers. |
| Life under the laser Thu, 28 Aug 2008 00:00:00 EDT |
(University of Nottingham) Researchers at the University of Nottingham have developed a unique technology that will allow scientists to look at microscopic activity within the body's chemical messenger system for the very first time, live as it happens. |
| Ceramic material revs up microwaving Thu, 28 Aug 2008 00:00:00 EDT |
(Penn State) Quicker microwave meals that use less energy may soon be possible with new ceramic microwave dishes and, according to the material scientists responsible, this same material could help with organic waste remediation. |
| Arctic ice on the verge of another all-time low Thu, 28 Aug 2008 00:00:00 EDT |
(European Space Agency) Following last summer's record minimum ice cover in the Arctic, current observations from ESA's Envisat satellite suggest that the extent of polar sea-ice may again shrink to a level very close to that of last year. |
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