ACS News Service Weekly PressPac -- May 23, 2007
...based sensors signal the presence of explosives by losing their glow. Such existing devices, however, have s...xisting materials. After sensing the compounds and losing its fluorescence, the material recovered its ability to fluoresce repeatedly during the tests. The e...Now playing -- Cell migration LIVE!
... watch this through a series of still pictures and losing a lot of the story, Montell says. Now with real-time movies, were deciphering the nuances behind organized cell movement that should offer opportunities for hopefully regulating the process. Among the nuances identified is that just like migrating ...Massive herds of animals found to still exist in Southern Sudan
...of the famous Serengeti migrations. We cannot risk losing this amazing natural resource now, said Fay. The Wildlife Conservation Society is calling for the creation of a Sudano-Sahel Initiative, based on the model of the Congo Basin Forest Partnership, to foster wise natural resource management in a region...UVa-led team uncovers important secret in gene replication
... might be inactive because of chromatin packaging, losing the redundancy that comes from both copies being active. If tumor suppressor genes, the ones that turn off cancer cells, reside in areas of the genome with asynchronous replication, the cancer cell can turn such genes off merely by mutating the one...Recycling is not enough -- we need to consume less
... food waste to the land as fertiliser, rather than losing this valuable resource. ...Gannet population under threat from global warming
... one chick each year, so with an increasing number losing their chicks and their nesting sites we may start to see a decline in overall numbers, says Dr Hamer....Chronically sleep deprived? You can't make up for lost sleep
...alth consequences of chronic partial sleep loss -- losing a little bit of sleep over a period of days, months or even years. Now sleep researchers at Northwestern University have discovered that when animals are partially sleep deprived over consecutive days they no longer attempt to catch up on sleep, de...Losing weight after pregnancy -- diet and exercise better than diet alone
...of dieting and exercise is a more effective way of losing weight after pregnancy than dieting alone, concludes a Cochrane Systematic Review. Women naturally gain weight during pregnancy and many gradually lose it afterwards, but some women find it difficult to lose this additional weight. This retained bo...Nature's secrets yield new adhesive material
...must have a very effective way of doing it without losing the efficacy of the approach, said Messersmith. Well also need to reduce the fabrication costs to make geckel commercially viable. But Messersmith said he envisions great possibilities for geckel. Band aids already adhere well, except if you go s...Fish eyes could hold clue to repairing damaged retinas in humans
... could potentially restore sight to someone who is losing or has lost their sight due to diseased or damaged retina," says Dr Astrid Limb, who led the study. "Our findings have enormous potential. "It may be possible to store the cells in a cell bank and transplant them into the eye or to use cells from a...Forecasting system provides flood warnings to vulnerable residents of Bangladesh
...l individuals in Bangladesh who are in jeopardy of losing their homes, businesses, and possibly their lives," says NCAR scientist Thomas Hopson, who helped develop the forecasting system. The system uses a combination of weather forecast models, satellite observations, river gauges, and new hydrologic mod...Smithsonian scientists show differing patterns of rainforest biodiversity
...this kind of relatively uniform habitat, youre not losing a lot of beta diversity that would have to be represented by several smaller sites. But the opposite might apply on elevation or climate gradient. There is still much to learn because collecting high intensity data is a very time-consuming process...