Yale scientists find cooperative RNA switches in nature
...oteins in a glycine processing system. "This seems like something only a biochemist can appreciate, but wh...takes to run the complex metabolism of life. It is like what would have been needed in an "RNA World" - or a period in evolution where RNA served a much lar...Society for Psychophysiology Research
...rther information on these topics, or if you would like to interview the scientists who will be presenting...White men holding either guns or innocuous objects like cell phones and wallets and made quick decisions to 'shoot' armed individuals and 'not shoot' unarme...Report: How 10 top new technologies will help world reach globally-agreed goals by 2015
...ools that quickly and accurately diagnose diseases like AIDS and malaria top a list of 10 biotech breakthr...ed protection against sexually transmitted disease like HIV, both with and without contraceptive effect. The report maps the top 10 new biotechnologies agai...World's top theoretical physicists converge to consider 'future of physics'
...f the new Kohn Hall--a one-story auditorium shaped like the semicircle of a Greek amphitheatre. The curve...ow that Michael was right," said Gross. "Now it's like looking out portholes at the sea--each view framed differently." Bildsten recommends ...Embryonic stem cells correct congenital heart defect in mouse embryos
...efective tissue. "In other words, stem cells act like nurses, restoring 'sick' cells to health" said Robert Benezra, Ph.D., a Member in the Cancer Biology and Genetics Program at Memorial Sloan-Kettering Cancer Center and the study's senior author. "The result was that fifty-percent of the mice fated to...Emory chemists develop bacteria that may help decaffeinate coffee
...ow is that it works very slowly. Ideally, we would like to speed it up a bit so that we could create coffee plants that are low in caffeine. That's where the bacteria come in. They now need the breakdown product of the enzyme (theophylline) for survival, but they can't do much with caffeine." Gallivan say...Story tips from the Department of Energy's Oak Ridge National Laboratory, October 2004
...any different concepts. The final design -- shaped like a giant, twisted doughnut -- will help prevent plasma disruption, sustain longer fusion reactions and confine the plasma more securely so that it does not lose particles and energy. NCSX is a PPPL-ORNL partnership. Construction for the experimental f...Cells in retina found to behave like soap bubbles
...within the retina take on shapes and pack together like soap bubbles, ultimately forming a pattern that is...this amazing diversity of species created? "It is like designing the pieces of a jigsaw puzzle so that they fit together seamlessly," said Carthew. "Unders...UF scientists have bionanotechnology recipe to find elusive bacteria
...ons of this nano-frontier are widespread and sound like the stuff of science fiction. Scientists currently are designing microscopic "nanobots", bioprobes and biosensors that, once implanted in the human body, could perform a number of medical duties, from delivering drugs to detecting malignant cells. ...Rice engineer wins prestigious Annunzio Award
...ab -- blood vessels that can be used in procedures like coronary artery bypass grafting for patients with advanced heart disease. To achieve this, she is synthesizing so-called scaffold materials, novel new materials that mimic extracellular matrix and provide a structure for the growth of replacement blo...FSU scientist links iron imbalance to Parkinson's disease
...in tablet form in favor of natural dietary sources like red meats, dried fruits, dark leafy greens, tofu, cooked dried beans or wheat germ. "I'd be nervous about just handing someone iron supplements and saying 'have at it," she said. "Self-medicating may have unintended consequences." ...Acoustics meeting in San Diego
... well as multiple reflections of the wave bouncing like a ping-pong ball from the boundaries of the tested object. The recorded signal is played back, generating a time-reversed version of the initial ultrasound wave. This "time-reversed wave" exactly repeats the path of the initial wave and focuses in ...Rutgers-led research offers new clues in the genetic mysteries of maize
... less than one percent of their genes. "It looks like significant evolutionary change happened in a relatively short time," said Messing. "Because they are immobile, plants have to adapt to changes more rapidly than animals that can move to escape environmental impacts. Plants are continually faced with...Texas universities expanding new information network
...ous fact-finding capabilities of the Internet seem like wrestling with microfiche. Texas Gov. Rick Perry and Lt. Gov. David Dewhurst recently announced the approval of $9.8 million in funding to build the high-speed Lonestar Education And Research Network (LEARN) for Texas higher education institutions,...Touching research: How white blood cells navigate
...ference between good health and chronic conditions like heart disease and diabetes. The power of touch am... assure that they protect our bodies from invaders like the flu? What forces help keep those cells from getting out of control and attacking our own tissues...Faces age due to fat loss, skin changes - not gravity
...component of facial aging. Instead, other factors, like the loss of facial fat and sun damage are more contributory in the complex process of aging." In addition, the nature of facial skin changes over time becoming thinner, most notably around the eyelids. These changes are often accelerated by sun ex...Channel protein converts vibrations to electrical signal
... painfully cold temperatures and pungent chemicals like mustard, cinnamon oil, and wasabi, which seemed incompatible with mechanical activation in the ear. The distribution of TRPA1 was one of the first clues that TRPA1 might indeed be the channel the researchers were searching for. They found that the ...Study using robotic microscope shows how mutant Huntington's protein affects neurons
... changes in individual neurons over time. "It was like viewing pictures of a football game and trying to ... to look at the same neurons over and over again - like time-lapse photography. This allowed the investigators to follow changes in a single neuron or a gr...Where in the brain decisions are made
...n choices are guided by circuits involving neurons like those in monkey area LIP, then it is tempting to speculate that the average firing rates of these neurons may also encode the subjective desirability of actions in humans."...Laboratory test of evolutionary theory confirms importance of links between populations
...c dynamics of the interactions through time. "It's like having a fossil record of the viruses and bacteria. I can study their genes and see how dispersal influenced their evolutionary histories," Forde said. In addition to providing general insight into the process of coevolution, understanding of the evo...