Espionage may have driven the evolution of bee language according to UCSD-led study in Brazil
...ater more than 100 yards away from each other. On discs of paper, the researchers collected scent markings from bees of each species as they were feeding. Scent markings are glandular secretions from bees' heads or other body parts that many bee species use to indicate a food source. The researchers then...Comets spread Earth-life around galaxy, say scientists
...ome of which will eventually reach proto-planetary discs and star-forming nebulae. There they are destroyed by collisions and erosion, releasing any trapped micro-organisms and seeding the formative planetary systems....Purdue research suggests 'nanotubes' could make better brain probes
...chers pressed numerous nanofibers together to form discs and placed them in petri plates. Then the petri plates were filled with a liquid suspension of astrocytes. After one hour the nanotube disks were washed and a microscope was used to count how many of the dyed astrocytes washed out of the suspension, ......n continue toexplore, its movements focused on the discs location. Stopka andMacdonald observed that the mi...loration, again usingthe disc for orientation. The discs also served as book marks for when activity wasinterrupted. If a predator were detected, the mice wo...Implant may stabilize schizophrenia patients' treatment
...ti-psychotic medicine, Haloperidol, was used. The discs have been modeled in a fashion that allows each type of polymer to disintegrate at a specific rate, so that exactly the prescribed volume of medication is released into the bloodstream each day for up to a year. About the size of a quarter, the dev...Studying the strength of protein bonds one molecule at a time
...ts to change shape dramatically, turning the round discs of platelets into multi-tentacled balls. This transformation allows platelets to form complex aggregates via interactions between activated integrins on these tentacles and fibrinogen in the blood. Platelet activation increases the percentage of acti...Flower chemicals attract some insects but deter others with toxic warning
...moth (also called the rattlebox moth) filter-paper discs soaked with chemicals from plants the insects normally relish. Then the caterpillars were offered paper disks also soaked with DIP chemicals. The ultraviolet-absorbing chemicals deterred most of the caterpillars. But the DIPs were lethal to those t...New technology treats dairy wastes, odors
...ly detectable. Equipped with 10, 48-inch aeration discs powered by the five horsepower motor, the floating InStreem unit displaces water in adjustable horizontal and vertical planes around a barrier dividing the lagoon. "In dairy applications, the technology replicates fixed site municipal wastewater bio...Scientist searches Yellowstone Park for carbon dioxide-eating microbe
...cally. The plan is to grow them on plastic sanding discs in a layer of slime called biofilm. Oak Ridge National Labs has figured out how to pipe sunlight to the algae from roof-top solar collectors. Power-plant gases would first be scrubbed of their flyash and sulfur, then piped through mats of algae befor...Tiny channels carved in plastic enable medical tests on a CD
...techniques needed for creating and reading compact discs already exist. "CDs have become so easy to fabricate they're almost disposable," Madou said. "Microchip companies have already perfected techniques for micromachining. Most important of all, electronics manufacturers have put millions of dollars into...Molecular repair of ruptured discs
...estigators trying to understand how some herniated discs repair themselves have now discovered an intricate...nited States," Spengler said. The intervertebral discs that separate the spine's vertebrae act as shock absorbers, allowing the spine to bend and flex. Ph...Mosquitoes have discriminating tastes, UF researchers find
...arious odors, and connected it to acomputer. Small discs of cattle blood and odoriferous gel are covered with a membrane tomimic skin, and then mosquitoes are released into the olfactometer. When amosquito chooses a "host" and feeds, an electrical charge is transmitted to thecomputer, which records the fee...Butterfly Wings, Beetle Horns Teach Biologists Basic Lesson In Development's Laws
...rpillars to remove one or both of the small fleshy discs thatwould develop into the hind wings once the caterpillars underwent metamorphosis.When the butterflies emerged, they had abnormally enlarged front wings. In one set of experiments with the scarab dung beetles, the researcherstreated male ...