Key molecule in plant photo-protection identified
...ome form of damage. Plants solve this problem on a daily basis with a photo-protective mechanism called feedback de-excitation quenching. Excess energy, detected by changes in pH levels (the feedback mechanism), is safely dissipated from one molecular system to another, where it can then be routed down re...Report assesses health implications of perchlorate ingestion
...esent in many public drinking-water supplies, says daily ingestion of up to 0.0007 milligrams per kilogram ...EPA risk assessment, published in 2002, proposes a daily reference dose of 0.00003 milligrams per kilogram (mg/kg) of body weight, which the agency said woul...Research could lead to new treatments for blindness
...hose research concerns the effect light has on our daily rhythms, said the classical view of how the eye sees is through photoreceptive cells in the retina called rods and cones. But Dr Lucas and Professor Hankins were part of a team that recently discovered a third type of photoreceptor, although the mech...Brown scientists uncover inner workings of rare eye cells
...rough these signals, ipRGCs synchronize the body's daily rhythms to the rising and setting of the sun. This circadian rhythm controls alertness, sleep, hormone production, body temperature and organ function. Brown researchers, led by neuroscientist David Berson, announced the discovery of ipRGCs in 2002. ...Green tea extract boosts exercise endurance 8-24%, utilizing fat as energy source
... to drink about four cups (0.8 liter) of green tea daily to match the effect in our experiments." "One of our important findings," Murase pointed out, "was that a single high-dose of GTE or its active ingredients didn't affect performance. So it's the long-term ingestion of GTE that is beneficial." (Muras...Calcium may protect women from cancer
...ich is actually lower than the current recommended daily allowance of 1,200 mg per day--is a safe and effec... a 62-item questionnaire that assessed their usual daily diet, lifestyle habits and patterns, and use of over-the-counter nonsteroidal anti-inflammatory medi...Pro-inflammatory enzyme linked to diabetes; Immune system's macrophages may be key to treatment
...ar, starches and other food into energy needed for daily life. Previous studies in the past few years have implicated inflammation as playing a role in diabetes, but just how this occurred was unknown. The researchers generated mice without Ikk- in liver cells that play a direct role in insulin-regulated ...What does an airline traveler have in common with a glowing fish?
...adian clock, a biochemical pacemaker that dictates daily rhythms in sleep and wakefulness as well as body temperature and metabolic activity. Circadian rhythms are regulated by changes in daylight cycles, but how and when they first develop is not well understood. Reported this week in the open-access...Beer-drinking rats count calories better than many people, UF researchers say
...id 30 years ago. On average, women increased their daily calorie consumption 22 percent between 1971 and 2000, from 1,542 calories per day to 1,877 calories. During the same period, men increased their calorie intake 7 percent, from 2,450 calories per day to 2,618 calories. UF scientists, who monitored th...NASA research to aid federal invasive species council efforts
... (MODIS) data from NASA's Terra satellite provides daily information about vegetation conditions. Statistical models applied by USGS, with NASA's assistance, convert MODIS and other data sources into predictive maps of plant species distribution. The USGS is incorporating NASA's research capabilities to im...Bayou blues: Working to save the US from the worst potential oil, gas and fishing crisis
...ion's exciting research, visit www.jason.org for daily updates. The JASON Foundation for Education is working collaboratively with the National Park Service, Louisiana Universities Marine Consortium (LUMCON), Barataria-Terrebonne National Estuary Program, NASA, National Oceanic and Atmospheric Administra...A startling diary reveals the onset of autism
...f fraternal twins recorded her observations almost daily for about five years, beginning before the twins' birth. She charted the children's development in speech, social interactions, growth, and sleep disturbances, unaware that one twin was autistic until a diagnosis was made at three years of age. "It a...Preparing for the inevitable: New book for nurses guides patient care during a disaster
...nformation that most nurses don't think about on a daily basis. Langan and James were on a team of Saint Louis University health professionals who visited Israel two years ago to see how nurses in that country deal with the ever-present threat of terrorism. While their book borrows from the Israeli experi...Scientists rid stem cell culture of key animal cells
...to grow and sustain stem cells through the tedious daily task of generating mouse feeder cells from mouse e...ells," says Xu. "It also significantly reduces the daily labor of preparing the feeder cell-conditioned medium." "It is important that the culture of human E...Missing micronutrients - How best to nourish a child?
...search suggests that adding small portions of meat daily can improve both the children's health and performance on cognitive tests. Scientists discussed the merits of "animal source foods" such as meat and milk as well as other approaches to diet supplementation and fortification during the annual meeting ......ience need to understand how science affects their daily lives, says Goldberg. He reaches from Los Angeles all the way to Japan with a hands-on, research Vbased exchange. Students from both countries work in his lab, manipulating the genes that tell a seed what to become. They also discuss the social, lega...Perchlorate found in dairy and breast milk samples from across the country
...the researchers. They suggest that the recommended daily intake of iodine for pregnant and nursing women may need to be revised upwards. The American Chemical Society is a nonprofit organization, chartered by the U.S. Congress, with a multidisciplinary membership of more than 159,000 chemists and chemical ...2005 ASM biodefense research meeting
...bstract books, news releases and information about daily activities will be available. Preliminary program and hotel information are available online at www.asmbiodefense.org . Media registration is complimentary. Journalists wishing to register can do so by contacting Jim Sliwa, ASM Office of Communic...First ever estimate of cod fishery in 1850s reveals 96% decline on Scotian Shelf
...archers used 1850s New England schooner records of daily catch locations and fleet activity on the fishing grounds. Fishers then, using handlines, had "negligible incentive to falsify records" and, combined with ancillary documents, their logs "provide a solid, reliable basis for stock assessment." Changi......eded by the brain's biological clock to coordinate daily rhythms in behavior and physiology. Neurons in th...d later and later on subsequent days so that their daily activity patterns were splitting apart." Herzog and Aton recorded neuron activity from the S...