Scientists Identify Gene For Sexual Behavior In Male Flies
...ng song. Here a male with a normalcopy of the gene lifts one wing and vibrates it in a rhythmic song, asrecorded on an oscilloscope below the drawing. Males with a slightalteration, or mutation, of the fru gene have subtle changes intheir songs. With severe mutations, the flies do not sing a note, though...Motivating Muscles: New UD Study Might Help People With Paralysis 'Stay Strong Longer'
...kle brace, or you can stimulatethe foot so that it lifts up when the patient walks." Pulse patterns typicallyrange from 20 to 40 pulses per second. Unfortunately, he adds, muscles "get tired more easily when you activate themartificially." And, researchers still are "a very long way from getting someonewit...Sandia Decontamination Foam May Be Tomorrow's Best First Response In A Chem-Bio Attack
...s chemical agents in much the same way a detergent lifts away anoily spot from a stained shirt. Its surfactants (like those in hair conditioner)and mild oxidizing substances (like those in toothpaste) begin to chemicallydigest the chemical agent, seeking out the phosphate or sulfide bonds holdingthe molecu...Advanced light source reveals secrets of ribosome structure
...peculation as tohow they work. Eventually, someone lifts the hood, and a new era ofexperimentation and speculation ensues. Finally, they take the engine,transmission, etc. apart. At this point, there's a lot more stuff than anyonehad anticipated, but at last they have a chance to figure the whole thing out...Gulp! URI professor studies how sharks eat
...ctoral fellowship at Harvard University, the shark lifts its head, depresses its lower jaw, its upper jaw comes out, it bites, and then the upper jaw retracts under the head. Unlike humans, the sharks upper jaw isnt fused to its cranium. To discover exactly how sharks eat, Wilga videotapes small spotted ba...Genetic mutation may be key to onset of deadly skin cancer
...d1 gene shuts off p16/Ink4a in early melanomas and lifts the brake on uncontrolled cancer cell growth, various mutations or other DNA changes must also occur to the p16/Ink4a gene to damage it beyond repair. So, as the cancer progresses, Id1 becomes less important for shutting off the gene. This may expl...Testosterone dose-repsonse relationships in healthy young men
...ng mechanics before performing progressive warm-up lifts leading to the 1-RM. Seat position and the ensuing knee and hip angles, as well as foot placement, were measured and recorded for use in subsequent testing. To ensure reliability in this highly effort-dependent test, the 1-RM score was reassessed wit...Framework for rice genome sequencing
...sequencing of the rice genome - which successfully lifts the veil from about 93 percent of it - represents a major milestone in genomics research. Possible benefits include higher-yield, more disease-resistant rice crops. ...From arts to neurobiology versatile Duke scientist chosen for NSF Waterman Award
...ol for the Performing Arts) for doing Soviet-style lifts in a War and Discord pas de deux, or engendering the more sedate affirmations from colleagues for his studies of vocal learning in songbirds, Jarvis has extraordinary curiosity on multiple levels, a quality that drives his research. At Duke, whi...Natural approach to cleaning up toxic freeway runoff urged
...ornia, the freeways get slippery because the water lifts the oil and grease that has collected on the pavement. The initial cloudburst also breaks loose tons of pollutants, sending them down the storm drains and into the ocean, according to Michael K. Stenstrom, professor of civil and environmental enginee...New DNA chip rapidly detects, identifies dangerous pathogens
...p's DNA and the two form a sort of rigid stem that lifts the beacon. The all-important beacon is pre-attached to the detector strand of DNA, rather than needing to be attached to each and every strand of DNA being tested. Currently, the Rochester team has developed chips that can detect an antibiotic-resis...Energy companies, conservation groups issue biodiversity recommendations for oil & gas development
...found online at www.TheEBI.org after the embargo lifts on August 26th. In August 2001, the Energy and Biodiversity Initiative was selected by the International Chamber of Commerce (ICC) and the United Nations Environment Program (UNEP) as one of the winners of the 2002 World Summit Business Awards for Su...Tiny heaters may pave way for easier tissue engineering, medical sensors
...er, the attachment ends and the whole cell culture lifts off. So it may be a way of making, for example, a replacement skin graft. You grow it on the surface, prompt it to lift off, and you could transplant it. That could directly follow from this."...The Rosetta space probe's long trek to Comet 67P/Churyumov-Gerasimenko
... Rosetta will be waved off on 26 February when it lifts off from the space centre in Kourou, French Guiana, aboard an Ariane 5 launcher. Shortly after the spacecraft's release, its solar panels will be deployed and turned towards the Sun to build up the necessary power reserves. Its various systems and ex...Two molecules work together to aid transport of immune cells, UT Southwestern researchers find
... behavior of the T-cell, where it touches and then lifts off the vascular wall," said Dr. Mark Siegelman, associate professor of pathology at UT Southwestern and senior author of the study. A second receptor, VLA-4, stops the T-cells from rolling. This step in the process is called firm adhesion. "You need...Spiders make best ever Post-it notes
... each molecule. The researchers believe the spider lifts its leg so that the setules are lifted successively, not all at once, and it does not need to be very strong to do this. All you would have to do to lift a future kind of Post-it note is peel it off slowly. The van der Waals force exists because the......es like the cellular protein Smac, a molecule that lifts barriers to cell death. Dr. Xiaodong Wang, professor of biochemistry and one of the authors of the Science paper, discovered Smac in 2000. "Every cell in our body has a self-destruction apparatus that becomes activated when a cell needs to be termina......treet, each convoluted step a labored movement. He lifts up one knee, then briefly stoops. Stepping forward, he swings the other leg out to the side then kicks high in the air. In this old Monty Python skit, the man works for the Ministry of Silly Walks. It's his job to walk this way. The rest of us, howev...