UCLA researchers develop T-cells from human embryonic stem cells
...logist, and lead researcher on the study. "This tells you that you may be able to use human embryonic stem cells to treat T cell and other blood diseases. This could be a very important weapon in the fight against AIDS," Galic said. The study is available at http://www.pnas.org/papbyrecent.shtml . ...What do Racquel Welch and quantum physics have in common?
...ence of all matter and energy while quantum theory tells us that in fact it is a seething mass of quantum particles that constantly appear into and disappear from our observable universe. This gives the void an unimaginably large energy density. The research team carrying out this work has received a gr...Another grape excuse to hit the bottle
...pineal gland in the brain, especially at night. It tells the body when it is time to sleep. The discovery of melatonin in grape skin could explain why so many of us hit the bottle in the evening to wind down after a day's hard slog. 'The melatonin content in wine could help regulate the circadian rhythm [...A link between obesity and memory? Saint Louis University research makes the connection
...e. "Leptin is a hormone secreted by fat cells that tells us to stop eating. In obese people, it doesn't cross into the brain to help regulate appetite," says Susan A. Farr, Ph.D., principal investigator and associate research professor in the division of geriatric medicine at Saint Louis University School ...Bone marrow may restore cells lost in vision diseases
...eat sight-robbing injuries or diseases. "What this tells us is for problems such as age-related macular degeneration, we should be able to harvest stem cells to help repair the damage," said senior author Edward Scott, Ph.D., a professor of molecular genetics at the UF Shands Cancer Center and director of ...New research clarifies roles of calcium, vitamin D, and protein in bone health, fracture risk
... age, they tend to eat less protein, so this study tells me we that we have to get sufficient dietary protein to those who are at high risk for fracture," Thorpe said....Striking the right balance between excitation and inhibition
...ays: "The degree of Notch expression on one neuron tells the sibling cell that it cannot be the same thing. If it is up-regulated in one cell, Notch will be down-regulated in its sibling. "There are thousands of different kinds of neurons in our incredibly complex nervous system, and we don't understand ho...Taking evolution's temperature: Researchers pinpoint the energy it takes to make a species
...sor of zoology with the UF Genetics Institute. "It tells us something about the fundamental mechanisms that shape biodiversity on the planet." Speciation - when animals or plants actually evolve into a new species - occurs when life forms with a common ancestor undergo substantial genetic change. Using a m...First study to show IVF single embryo transfer as successful as double transfer in older women
...red with nearly 17 percent in the DET group. "This tells us that as well as eSET having the potential to be as successful in women up to 40 as it is in younger women, it also reduces the risk of multiple births compared with DET and therefore increases the safety of assisted reproduction in this age group,...How healthy is that marsh? Biologists count parasites
... For example, an estuary with high infection rates tells you that it is visited by many birds, and many types of birds." The goal of the Sea Grant project is to establish a baseline snail-trematode count in marshes, particularly those slated for restoration. By comparing worm statistics before and after a...Joslin-led study reveals new findings on insulin signaling in the liver
...sulin does its job. "In one of its roles, insulin tells the liver that you have just eaten, that it can st...or of the paper. "Insulin also is the trigger that tells the liver how to handle lipids. We have been trying for many years to understand how insulin provide...Ethnobotanist says non-regulated herbs pose risks
...s and supplements. We believe that reading labels tells us the whole story because in many cases, it does. But with herbal remedies, Americans believe what they hear, see on television, and read--and this could be incredibly dangerous. "Those we trust the most to help us are hamstrung," says Elvin-Lewi...Eat less, weigh more? Enzyme makes lean mice 'susceptible' to dietary fat
...Increasing malonyl-CoA in the hypothalamus somehow tells the cells in the body to break down fats for energy and the muscle cells to use more energy. Therefore, identifying molecules that interact with malonyl-CoA will help scientists understand how energy balance and body weight is controlled. "We are be...Ultrasounds show mothers' drinking shrinks fetal brain
...: Clinical and Experimental Research . "What this tells us is that the earlier you abstain in a pregnancy, the better the outcome," said lead author Nancy Handmaker, a University of New Mexico clinical psychologist with expertise in maternal-fetal health. Alcohol use during pregnancy is a leading prevent...Lactic acid not athlete's poison, but an energy source - if you know how to use it
...t the University of California, Berkeley, however, tells a different story: Lactic acid can be your friend. Coaches and athletes don't realize it, says exercise physiologist George Brooks, UC Berkeley professor of integrative biology, but endurance training teaches the body to efficiently use lactic acid a......r of The Lions of Tsavo (McGraw Hill, 2004), which tells the story of the man-eaters. At the end of the 19h century, two Tsavo lions set upon railway crews and ate as many as 135 people (by some accounts) before they were finally hunted down and killed. Those two lions have been on display at The Field Mu...New crop of technology reveals plant health
...her sensor detects chlorophyll fluorescence, which tells the system the rate at which the plant is absorbing energy. That reflects the current state of photosynthesis, itself a reflection of the plant's health. These sensors communicate their data through specially developed wireless transmitters. Scienti...Liver cancer linked to cellular repair pathway
...og pathway. During embryonic development, Hedgehog tells cells where and when to grow. In adult tissue, it signals the body to grow new tissue. "If the liver is injured badly, it uses some of the same mechanisms to repair itself as a fetus uses in growing a liver," Diehl said. The Hedgehog pathway is also ...Embryos tell story of Earth's earliest animals
...er). "This is good news," Raff said. "Embryo size tells us a great deal about the evolution and development of these organisms." The fertilization envelope, a semi-hard membrane that surrounds the urchin envelope, is crucial to the fossilization of the embryo. Without the membrane, or with a broken membr......ionable business decisions. Extensive user testing tells us, Inteleos is doing the job it was designed to do." The Inteleos editorial team adheres to strict editorial guidelines. The database is updated daily using only primary sources direct from drug companies, regulatory agencies, or financial filings. ...