Of I robots go solar; new system could drastically reduce herbicide use
...long. He can travel about three miles per hour and moves on wheels, although the researchers have treads they can put on him as well, to give him more grip. At the current stage, the robot is used to combat weed infestation, but in the future, Gingrich and Jeon hope to place different sensors and cameras...Teenager moves video icons just by imagination
...ontrols the motions of a movable laser cannon that moves back and forth across the bottom of the video screen. Row upon row of video aliens march back and forth across the screen, slowly coming down from the top to the bottom of the screen. The objective is to prevent any one of the aliens from landing on ...Researchers map spread of pathogens in the human body
...battle, if you know where your enemy is and how it moves around, you can make calculated, strategic strikes." Currently, the debate over the usefulness of multiple-drug therapy must take into account the full evaluation of potential synergistic effects of combining drugs that can target bacteria in diffe...Critical hearing gene helps send auditory messages to brain
...at is filled with a watery fluid. When that liquid moves in response to sound vibrations, thousands of sensory "hair" cells are set into motion. Those sensory receptors come in two types: inner and outer hair cells. Outer hair cells amplify sound within the cochlea, allowing for hearing sensitivity. In co...Always keeping a safe distance
...l cell organelles or other cargo, its head section moves forward step by step on a microtubule - the length of the step and the precise coordination of such steps have already been investigated in detail. It is also known how kinesin attaches the load to its tail. But how do the small motor proteins make s...Honey bee chemoreceptors found for smell and taste
...expressed in male antennae," Robertson said. "This moves us an important step closer to understanding the molecular details of how bees, and insects in general, smell."...Biological clock of honey bee more similar to humans than to insects
...ion that uses the sun as a compass because the sun moves during the day from east to west. Bees, whose bodies are slightly longer than one centimeter, precisely navigate to flowers situated as far as 10 km from their beehive. The central biological clock is located in the brain and is made up of groups ...Faculty of 1,000 biology launch Pharmacology & Drug Discovery Faculty
...new service is clear, "In the current era, science moves too fast and the literature is too vast for any of us to be 'ahead of the curve'. Faculty of 1000 helps busy, engaged scientists to navigate the rapidly changing scientific road. This is particularly the case in the broad worlds of Pharmacology and D...Call for Europe to lead in revitalizing family planning agenda in world's poorest countries
...h and rights by the Bush administration, including moves to refuse US family planning assistance to foreign NGOs working in abortion. 'Hopefully, others will be prepared to take the lead, perhaps European countries, the World Bank, or even the Gates Foundation with its massive funds and prestige. Most p...Listening to gunshots may save lives and wildlands
...move out of the way in a nice, regular fashion. It moves in a shock." That shock creates one "boom." There is a second, smaller "boom" as the air returns to normal. This phenomenon is clearly heard when something big, like a space shuttle, breaks the sound barrier. The shuttle creates two booms as it c...UCLA researchers unravel a mystery about DNA
...t with other theories that had suggested that RNAP moves along the DNA strand as a complete block in a process resembling the movement of an inchworm. The research team is comprised of Achillefs N. Kapanidis, Emmanuel Margeat, Sam On Ho, Ekaterine Kortkhonjia and Shimon Weiss of the UCLA Department of Che...Satellite radar gauges water levels in Louisiana wetlands
...e the TOPEX/Poseidon radar data to model how water moves through the wetlands; other scientists could use those models in ecological studies....A window on the environment from Tahoe to the ocean
... Bodega lab. They are measuring how carbon dioxide moves between the ocean and the air, at suspended nutrie...ll inland from the ocean. When that cold, damp air moves over land, it limits carbon exchange between plants and the rest of the atmosphere, trapping carbon ...'Home run' study on spread of disease published
... it is used as an intermediate host. The trematode moves on from the snail to burrow into fish. The trematode has permeated the ecosystems fish. Of the eight species of trematode parasites that plague the snails in Japan, only the most common, Cercaria batillariae, has arrived in America. Gene sequenci...New ergonomic backpack lightens the load
...o the same vertical displacement as the hip, which moves up and down 5 to 7 centimeters during walking. As a result, the peak forces exerted on the body by the load can be twice as high when walking, and three times as high when running, as when the backpack is not moving, exerting extreme forces on the we...Cellular pathway yields potential new weapon in vaccine arsenal
... in a membrane, forming an autophagosome, and then moves them to another compartment, the lysosome, for digestion. Two years ago, Rockefeller University assistant professor Christian Mnz showed that this process, called autophagy, sensitizes cells for recognition by the immune system's helper T cells. But ...Bisexual fruit flies show new role for neurochemical
...cientists think about -- the neurotransmitter that moves in message packets across the synapse. Instead, it is what Featherstone calls ambient extracellular glutamate, which just floats around the nervous system and has generally been ignored because no one knew where it came from or what it was doing. Fo...Synthetic peptide targets latent papilloma virus infections
...w (bovine) papilloma virus has shown how the virus moves into new cells. It carries its genes in the form of a circular DNA plasmid that nestles in the nucleus of the cell and makes use of the cellular machinery to generate more copies of itself. Each cell can house hundreds of plasmids. When the cell div...Scientists uncover potential key to brain blood-flow disorders
...tion microscopy, they detected a calcium wave that moves through the astrocyte from points of contacts with active neurons to the parts called "endfeet" which encase the blood vessels. The information from the active neuron is thus encoded as a calcium signal in the astrocyte. This increase in calcium at...AAAS applauds nationwide science and math standards based on existing guidelines
... one state may not meet expectations if the family moves across state lines. As American families become increasingly mobile, the current patchwork approach to education is placing our young people at a disadvantage as they prepare to compete in a global economy." Nationwide science and math standards mig...