Researchers identify unique circadian rhythm photoreceptor
...cules. "One possibility is that there is still a bit of function left in the mutant cry b cryptochrome," he said. "Another possibility is that there remains another entrée route into the circadian system, but not a true circadian route. It may be that light entering the eyes tickles the inter...Chemical 'crumbs' from microbes' snacks provide a trail to ancient, remote life
...r other organisms once lived there. It's a little bit like coming downstairs in the morning and finding the kitchen a mess, perhaps with the lid off a hidden cookie jar and crumbs on the counter. If the husband is the only person in the home who loves cookies and knows where the goodies are kept, then t...Evidence suggests food preservatives may help prevent cavities
...ralize, helping to fill in small cavities a little bit like a road crew fills in potholes, before they grow even bigger. Now, Marquis and others have vindicated Bibby by showing that fluoride does affect bacteria directly. In his laboratory, Marquis has shown that fluoride and food preservatives...Researchers find key to spurring methane conversion
...ll be located. This should make oil exploration a bit safer."...The power of the mother-child bond
.... If the mother's behavior deviates just a little bit from the norm, the infants notice and it's not a pleasant experience for them." "Specific memories may be generated in relation to alcohol," added Juan Carlos Molina, co-author, professor of psychology at the University of Cordoba, and senior resea...Study finds elderly women can halt bone loss
...study participant is Pat Coolican, 71, who loads a bit of extra weight in her vest for 20 jumps, then goes another 50 to 60 jumps with no weight. She does this three times a week. "I was never really one for exercise," she said, "but I stayed with it because of the study. And it has made a difference....Scientists find unique nuclear DNA structure
...lled an R loop," Lieber said. "These layers look a bit like a sandwich." (Tracy and Lieber described the precise structure of this R-loop in the March 1 issue of the EMBO Journal.) That circular sandwich is transient. Eventually, the loop is snipped off and set aside, while the ends of the two remaining ...Bone produced from skin and gum tissue
...od, which is still in developmental stages, a tiny bit of skin or gum tissue is removed, cut into even smaller pieces, and placed in a culture dish. The cultured cells are then engineered to secrete BMP-7, a protein that induces bone formation. The engineered cells are seeded onto collagen sponges, whi......uorescent dye, and inject it onto a GeneChip. Each bit of RNA sloshes around until it comes in contact with a probe that matches it and grips it tightly. Some of the probes collect a lot of RNA while other areas collect very little. Using a computer-controlled laser to scan each quadrant on the grid, th...Some alcoholics may self-medicate with carbohydrates between drinks
...o. This study's findings provide us with a little bit more insight into this dysfunction, and may enable future research to look at treatment strategies." Drobes concurs. "Because of this study, we now know more about how serotonin is disrupted in certain kinds of alcoholics. This may lead to improved...Seafloor off Mid-Atlantic coast highly charged with gas
...wn planet is again made very clear." "We were a bit taken aback, to be sure," Weissel said. "A great deal more work is needed before any definitive statements can be made. Regardless of the source, it is apparent that gas charging plays a critical role in the area, and that the ongoing process of blow...Gene found responsible for social amnesia
...o the lack of oxytocin. Transgenic mice were every bit as adept at finding their way around the maze as were normal mice, demonstrating that spatial memory was intact. Dr. Winslow was successful in restoring social memory formation by treating the knockout mice with oxytocin. In these mice, social amne...Ancient math refines theories of evolution
...ck. "It's more robust because it compares each new bit of information against the overall understanding we have about evolution." For centuries the scientific community largely ignored Bayes and his equation, in part because the calculations needed would take years, but the last decade has seen a resurge...Even the Immune System works with Pincers
... shaped Fc fragment of the antibody opens a little bit and picks up the receptor between its blocks. Both proteins (receptor and antibody) recognize each other by the "lock-&-key principle": The receptor only binds to antibodies of the IgG class and not to those of the IgE class. To de...The ultimate pocket protector--radiation detection made easy
... gamma rays and neutrons. The sensors emit a tiny bit of light each time they detect either type of radiation. The light is translated into electronic pulses and recorded. The sensitive INEEL dosimeter takes less than 10 seconds to make a reading. The microprocessor then subtracts the "counts" of li...UCSD chemists develop portable nerve gas sensor
...at the UCSD scientists built for their sensor is a bit more sophisticated than those in inexpensive CD players, it can be reproduced cheaply. In fact, the researchers' first sensors were constructed from five inexpensive CD players they purchased at Fry's, a local electronics discounter. "Our program man......arder to catch. "They said the fish were getting a bit too smart," says Hayes. The researchers set out to catch brown trout that were old hands in the heavily fished Owen River near Murchison and naive trout in a remote river of the Kahurangi National Park, which is usually inaccessible to anglers. The......oblems, or just creating more ARE you doing your bit for the planet? You've stopped driving a car, planted six trees in your back garden and put solar panels on your roof. You're even willing to breathe more slowly if it'll help reduce your carbon dioxide burden on the poor overheated planet. But the t...Driving differentiation of human embryonic stem cells
... certain order and at certain times. "It may be a bit like educating a child, in which you don't designate children in kindergarten as doctors, lawyers or surgeons, but you give them some kind of general education. And, as they progress and show an interest in a specific field, you give them a more spec...Prosthetic limb to be controlled by microchip: Agreement signed to create smart leg
.... "Theyre mechanical guys. We should get quite a bit of accommodation." Approximately 120 Russian scientists formerly employed designing nuclear weapons are expected to participate in the project, funded by DOEs Initiatives for Proliferation Prevention. Says Sandia manager for international initiati...