Even in middle age, cutting calories slows aging of the heart
...ford discovered that caloric restriction, begun in middle age, could extend the life span of mice by up to 2...vides compelling evidence that -- even starting in middle age -- cutting calories can confer significant health benefits for the heart and extend its working ...Estrogen linked to more efficient regulation of a woman's heartbeat
...n, and LLE when compared with that of a man in the middle age, indicating a more complex signal broadcasting from a woman's cardiac pacemaker. In assessing the brain, a more complex neural signal is always accompanied with a more involved neural network. On the other hand, a very simple firing pattern can o...The brain uses the same neural networks to engage in conscious and unconscious learning
... one of four squares, arranged horizontally in the middle of the computer screen. Subjects pressed the response key (in a row of 4) with the index and middle finger of both hands, each finger mapped to a key. Each stimulus stayed on the screen for 600 ms wit...Outbreak of native oak borers threatens Ozark forests
...erable to red oak borers. "Right now we are in the middle of a cycle," said Guldin. "We will learn more when the adults emerge this coming summer. It is very troubling that the oaks killed by borers do not produce sprouts that grow into new trees. If the red borer continues at this level, we may see a signi...Brain's method of creating mental images differs with the source of cues received
... single mental image. The researchers describe the middle ground as a "weighted average" because in any given individual, one sense may have more influence than the other. When the discrepancy is too large, however, the brain reverts to information from a single cue - from the eyes, for instance - to make a...Researchers find genes connected to seasonal reproductive clock in hamsters
...reproductive system is able to turn back on in the middle of winter. In their experiments, the researchers had three groups of hamsters. One group was kept in long days such as they would have during the summer when they are reproducing for t...Wake Forest, Pittsburgh doctors find gene behind two kidney diseases
...cystic kidney disease, which produces cysts in the middle of the kidney. Bleyer said that doctors had known about the uromodulin protein for many years but they did not know its function. "The current study shows that uromodulin is likely important in reabsorbing water and salt in the kidney. It appea...The genetic basis for caffeine-induced anxiety discovered
...ia, a region deep below the cerebral cortex in the middle of the brain. The researchers observed four genetic variations of the adenosine receptor genes in their group. When they analyzed their results, they found that individuals who had two specific variants in the A2a receptor gene exhibited much higher...Science picksLeads, feeds and story seeds (December 2002)
...sing Landsat imagery acquired primarily during the middle to late 1970s. Long-term monitoring of fluctuations of glaciers provides an important indicator of changes in regional and global climates. Volcanoes capped by glaciers pose significant threats in the form of lahars and jokulhlaups (mudflows and gl...UT Southwestern scientists uncover new mechanism by which cells rid themselves of damaged proteins
...said, "We found that the proteasome can cut in the middle of these substrates. This was totally unexpected. Interestingly, cutting a-synuclein in this manner produces fragments that are reminiscent of the products found in the pathological deposits in the brains of Parkinson's patients."...January GEOLOGY and GSA TODAY media highlights
...is shown the Contourite Depositional System on the middle slope. This map was constructed using a broad database collected since 1989, obtained during several cruises and projects supported by the Spanish Research Council. In addition, new data of swath bathymetric, multi-channel, and high-resolution seismi...January GSA BULLETIN media highlights
...ntinues in the northern Tibetan Plateau. Early to middle Tertiary foreland basin development and the history of Andean crustal shortening in Bolivia Peter G. DeCelles, Department of Geosciences, University of Arizona, Tucson, Arizona 85721, USA, and Brian K. Horton, Department of Earth and Space Sciences,...Stream erosion may contribute to decline of American eels
...pawn in only one location--the Sargasso Sea in the middle of the North Atlantic Ocean. After hatching, eel larvae drift for months on ocean currents, finally making their way to coastal areas. Now known as glass eels, they move into freshwater estuaries where they develop into the elvers that migrate up str...Tips from the Journals of the American Society for Microbiology
... ear canal Organisms commonly associated with middle ear infections may exist as normal microbes in a h...terium otitidis, bacteria commonly associated with middle ear infections, in the outer ear canals of many healthy individuals. The findings also suggest that...New study suggests missing link that explains how dinosaurs learned to fly
...sue of the journal Science. The new theory adds a middle step that may link two current and opposing explanations for how reptiles evolved into flying birds. According to Kenneth Dial, author of the report, the transition from ground travel to flight may have required a "ramp-up" phase in which rapid move...Virginia Tech professor Marjorie Grene is the first woman in The Library of Living Philosophers
...imate the difficulties she faced as a woman in the middle portion of the twentieth century in gaining the professional positions and recognition for her ideas -- recognition that men with only a fraction of her talent and learning could easily have commanded." Grene was interested in philosophy when she sta...Rutgers explorer describes sea floor hot springs as teeming with valuable minerals and microbes
...e Houston Astrodome two-and-a-half miles under the middle of the Atlantic Ocean. "At least 50,000 years in the making, the mound is composed largely of combinations of the metals copper, iron, zinc, gold and silver. It was produced by jets of hot, metal-rich sea water," he said. Rona, who continues to dive...High sugar blood levels linked to poor memory
... the United States and there are a large number of middle aged and elderly individuals with impaired glucose metabolism and memory dysfunction."...UCSD brings powerful visualization to high school classroom
...nside a human cell." The Preuss School is a public middle and high school dedicated to providing an intensive college preparatory education for low-income students who will become the first in their families to graduate from college. The school was named in recognition of a gift from Peter and Peggy Preuss,...UCSF study suggests novel factor could contribute to adult obesity
...ined normal body weight. It was only upon reaching middle age that they became obese. At nine to 10 months of age, they used significantly less energy during activity than either the younger mutant mice or the normal middle-aged mice. Middle-aged normal mice, which gradually gain weight as they age, also b...