Arctic ozone depletion linked to longevity of polar stratospheric clouds, according to studies
...last winter was due to an increase in the size and longevity of polar stratospheric clouds, according to a group of researchers who participated in a massive, international atmospheric science campaign. The ozone-destroying clouds are made of ice and nitric acid, said University of Colorado at Boulder Prof...Advanced cell technology reports reversal
...lestone in our efforts to understand how mammalian longevity is determined," said Leonard Hayflick, Ph.D., Professor at the University of California, San Francisco, discoverer of the aging process in human cells and the man for whom the Hayflick Limit is named. "The oocyte [egg cell] apparently is the rejuvena......ew study shows that genetic variations that confer longevity in some fruit flies often turn out to have adverse...e 17 variations that Mackay's team found increased longevity only in certain environments, or in a sex-dependent manner, or both. Ten variations that made flies ...Greens, B12 may lower heart disease and cancer risk
...your DNA, as this should optimise your chances for longevity and reduced cancer risk," Dr Fenech said. New studies will now determine the optimum level of other vitamins needed to minimise DNA damage....Massive pollution documented over Indian Ocean
...e anindirect cooling effect by increasing both the longevity and reflectivity, oralbedo, of clouds. The pollutants have a warming effect, however, in that theyabsorb a large amount of sunlight. The airborne particles over the northernIndian Ocean are unusually dark because they contain large amounts of soot ...... the animal. Another explanation is that extended longevity in worms is apart of a more general mechanism that is a response to starvation, during whichanimals produce enzymes, such as cytosolic catalase, that protect cells. The research team that made the discovery included James Taub, a graduate stu...Scientists Discover Two Modes Of Aging In Fruit Flies
...ild. They observed how the reproductive status and longevity of the sugar-onlyflies changed when protein was in... Carey, who iscurrently lecturing at a workshop on longevity at the Max Planck Institute forDemographic Research in Rostock. The researchers suggest that furthe...A 300-Million-Year Old Twosome: The Cycad And Its Pollinator
...-old plant reproduction system beats all recordsof longevity and achieves a 100% fertility rate. Principal Investigator: Dr. Dennis Wm. Stevenson, Director, Harding & Lieberman Laboratories Public Relations: Anni...New Insights Into The Enigma Of Lengthening Longevity
... presents the findings of research on longevity conducted over the last several years by members of an international team of demographers, biologists and statisticians. This study is one of the first to come out of the newly emerging field of biodemography. ...MIT Biologists Identify Aging Mechanism
...roducts encoded by SIR2, SIR3and SIR4 promote cell longevity by moving from one cell structure to another(from the telomeres to the nucleolus). This action and the fragmentation of thenucleolus would form the basis of more groundbreaking discoveries. A second article, published in Science magazine in A...Limits Of Life On Earth: Are They The Key To Life On Other Planets?
...abundance and age. The scientists will assess the longevity of the organisms as well as the diversity of tiny life-forms deposited at the same geographical site thousands or even hundreds of thousands of years apart. The researchers hope to uncover extinct genes or gene fragments to compare with modern count...... of aging in fruit flies, even reversing thenormal longevity advantage of females over males, according to a po...n-human species and provided powerfulevidence that longevity is not genetically fixed for a species, but canbe environmentally extended. In this new study, the ...