Brightly colored birds most affected by Chernobyl radiation
...igments for feathers, migrating long distances and laying large eggs (birds lay down antioxidants in their eggs, and will deposit larger amounts of antioxidants in larger eggs). Mller and Mousseau hypothesized that because they had fewer antioxidants left to mop up dangerous free radicals, these birds would...Biodesign Institute leads innovative project to prevent cancer
... push the boundaries of cancer vaccine research by laying the groundwork for breakthrough discoveries to broaden the teams approach to other cancers. Its been well-established that cancers create foreign proteins that the immune system can recognize, said Douglas Lake, who will lead the Keck Foundation ...Wood ant queen has no egg-laying monopoly
...and, investigated worker ovary development and egg laying in nine Northern European wood ant species of the ...egg parentage showed that these workers are really laying eggs on a large scale. For example in the species with the most worker reproduction, Formica truncor...Weizmann scientists discover a new line of communication between nervous system cells
... called glia. Glial cells revolve around the axon, laying down the myelin sheath in segments, leaving small nodes of exposed nerve in between. More than just protection for the delicate axons, the myelin covering allows nerve signals to jump instantaneously between nodes, making the transfer of these signal...Bee researcher at Arizona State University is 1 of 20 new Pew Scholars in the biomedical sciences
...gy and Behavioral Brain Research in the past year, laying the foundation for this work. Her group has documented that social reversal, which triggers old bees (that usually forage outside of the hive) to revert to tasks normally performed by younger bees (that nurse larvae within the hive), is associated wi...Undergraduate research shows leaderless honeybee organizing
... behavior -- reducing her food intake, slowing egg laying and becoming more active. At this point, the workers begin to send a second signal that researchers call worker piping at a fevered pitch. Piping, which consists of bees making contact and vibrating their wing muscles rapidly, appears to be a general...Crucial progress in understanding Fragile X mental retardation protein
...r the Fragile X mental retardation protein (FMRP), laying the groundwork for possible new treatments for Fragile X syndrome(FXS), the leading inherited form of mental retardation. The findings, published in the early online edition of the June Proceedings of the National Academy of Sciences, also have imp...Landmark study identifies large number of new proteins implicated in Huntington's disease
... disease that affects 30,000 Americans annually by laying waste to their nervous system. The research was led by Buck Institute faculty member Robert E. Hughes, PhD. Results of the study, which may facilitate the discovery of an effective treatment for HD, will be published in the May 11 edition of PLoS Ge...Female ticks have market on gluttony
...k rarely exceeds the critical weight necessary for laying eggs. It will hang on to the host for weeks, waiting for a male to find her, says Kaufman. If the virgin gains too much weight and is groomed off the host, it won't reattach itself to another host and continue feeding. "However, if she remains small ...Turtles are loyal in feeding as well as in breeding
...he University of Exeter has discovered that, after laying their eggs, sea turtles travel hundreds of miles to feed at exactly the same sites. The research, funded by the Natural Environment Research Council (NERC), shows for the first time that marine turtles appear to be as loyal to specific foraging sites...Females do best if they wait a while
...tory cost in addition to the costs associated with laying and incubation. If young females are in poorer condition than older females, they will be more likely to die as a consequence of these costs....Atlas of Science Literacy completes mapping of science-learning pathways
...ciation for the Advancement of Science (AAAS). "By laying out sensible learning progressions, the Atlas maps can help teachers in their day-to-day classroom decisions, while also paving the way for long-term, serious research." Atlas 2 -- jointly released today by AAAS Project 2061 and the National Sc...Scientists find genes involved in the battle between Hessian flies and wheat
...anting wheat after the fly is no longer active and laying eggs. This "fly-free date" is set in different regions according to climate. The study represents a step in understanding the complexity of antioxidant defense responses during interaction between Hessian flies and wheat, he said. It may also be ap...A simple feedback resistor switch keeps latent HIV from awakening
...s often becomes dormant, turning off its genes and laying low until awakened by som e trigger from its environment. When that trigger is pulled, the virus quickly ramps up production of proteins through built-in positive-feedback loops that turn up gene transcription. (In positive feedback, production of so...Pittsburgh-based team engineers muscle, bone cell differentiation with aid of ink-jet printer
...in virtually any design, pattern or concentration, laying down patterns on native extracellular matrix-coated slides (such as fibrin). These slides are then placed in culture dishes and topped with muscle-derived stem cells (MDSCs). Based on pattern, dose or factor printed by the ink-jet, the MDSCs can be d...Muscle and bone from an ink-jet printer
...n virtually any design, pattern, or concentration, laying down patterns on fibrin-coated slides placed in culture dishes containing MDSCs. Based on pattern, dose, or factor printed by the ink-jet, the MDSCs could be directed when to differentiate into various cell types (e.g., bone- or muscle-like). Immunoc...New moth variety disarms plants guarded by selenium
...to related varieties, was not deterred from either laying eggs or feeding on the plant. Furthermore, the researchers found that a selenium-tolerant wasp (Diadegma insulare) in turn parasitizes the selenium-tolerant diamondback moth. Chemical analysis showed that the selenium-tolerant moth and its parasit...U of S Vaccine and Infectious Disease Organization team discovers key step in flu virus replication
... the genes that enable the virus to cause disease, laying the groundwork for antiviral drug development. "Increasingly, new diseases involve both humans and animals," said Andrew Potter,VIDO's Associate Director (Research). "VIDO's background in veterinary research means that when diseases like avian inf...Boehlert, Gordon call for implementation of new nanotechnology report
...e to a paper published today in the journal Nature laying out a research agenda to understand the environmental, health, and safety implications of nanotechnology. (The paper, "Safe Handling of Nanotechnology," is by Dr. Andrew Maynard, Chief Science Advisor for the Project on Emerging Nanotechnologies at ...Michigan State researcher traces the evolution of honey bee gender
... her hive from a mating flight she had a choice of laying fertilized or unfertilized eggs. The unfertilized eggs would develop into male drones. The fertilized eggs develop into female honey bees. But there's more to the story. Alleles are different versions of the same gene. In humans, they dictate chara...