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Tag: "hand" at biology news

Penn Researchers Use Robotic Surgery

...nts by surgeons (whereby the surgeon must move his hand to the left in order to move the mechanical device to the right), the daVinci technology affords surgeons the direct, "intuitive" control they exercise in traditional open surgical procedures, seamlessly translating their natural hand, wrist and fing...

Supercomputers to focus brains on AIDS dilemma

...f the scientists' simulation methods have advanced hand in hand, the researchers have been able to discern ever more detailed insights into the microscopic dance of molecular dynamics, where events take place in nanoseconds at length scales far shorter than the wavelength of light. By putting the molecule...

Medical molecules designed to respond to visible light that can penetrate tissue

If you have ever covered a flashlight with your hand and seen the red light that still comes through, then you have seen light in the therapeutic window ?that magic wavelength that is not absorbed or reflected away by tissue. Scientists believe that they can use light at that wavelength to signal manma...

Computational Method Speeds Mapping of Cell Signaling Networks

...imental and computational methods that "fit like a hand in a glove,"--by mapping a well-studied signaling network in human immune system T-cells. This feat originally took researchers decades to accomplish using traditional approaches. In the past, scientists have treated signal networks like a puzzle--s...

Use of Insecticides Linked to Lasting Neurological Problems for Farmers

...g headaches, fatigue, insomnia, dizziness, nausea, hand tremors, numbness and other neurological symptoms. Some of the insecticides addressed by the study are still on the market, but some, including DDT, have been banned or restricted. These findings will be available online in April, and published in t...

Study: Soap And Water Work Best In Ridding Hands Of Disease Viruses

...ive study ever done comparing the effectiveness of hand hygiene products shows that nothing works better i...fashioned soap and water. Among the viruses soapy hand washing flushes down the drain is the one that causes the common cold. Other removable viruses cause...

Critical role in programmed cell death identified

...ntral cell killing apparatus. Mammals on the other hand have multiple components or families of proteins for these factors; moreover, their cell death is more sporadic and harder to pinpoint. In worms, scientists know exactly which cells are dying, and when and where. During development, 1,090 cells form...

New Clues Add 40,000 Years to Age of Human Species

...he film to landmarks in the field, together with a hand drawn map from the late Paul Abell and photographs by Karl Butzer, both members of the 1967 expedition, the researchers were able to precisely locate the original fossil outcrops. The scientists collected hundreds of new mammal fossils that helped d...

Learning to fight an adversary that won't stay down

...most cases the microbes continue to hold the upper hand ?and if three billion years of bacterial history is any kind of track record, we're in for an endless running battle, says Dr. Julian Davies, a microbiologist at the University of British Columbia. "We haven't evolved in our thinking sufficiently to...

Anti-bacterial additive widespread in U.S. waterways

..., triclocarban, has been widely used fordecades in hand soaps and other cleaning products, but rarely wasmonitored for or detected in the environment. The new findings suggestthat triclocarban contamination is greatly underreported. The study ispublished in the current online edition of Environmental Scie...

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