Honeybees In The Wild Nearly Gone In North America
...owers and backyardgardeners will likely be hardest hit by the wild honeybee blight,Tew said. "The decimation of honeybees in the wild means that honeybeesare now a scarce commodity," he said. "Large professionalgrowers can still rent colonies of bees for crop pollination andhave them trucked long distanc...An Equal Opportunity Extinction? Cincinnati Geologists Find Global Impact from Permian Die
...ermian mass extinction was global in itsextent and hit all marine areas with roughly the same effect. Tra...h-diversity marine environments such as reefs were hit hardestduring mass extinction events. Cooler areas of the globe andpolar regions appeared to be spar...... "The extreme floods of 1996 and January 1997 that hit both coastsare just one of the most recent challenges that allowed us to bring thescientific resources of our national agency to work alongside the USGSpeople and their colleagues already in the field. We provided the data andthe science that were t......d female Medflies. But females seemed to be harder hit by the dietarydeficiency, their life expectancy plunging by more than 26 percent comparedto only a 6 percent reduction among males. This, in effect, reversed thenormal life span advantage of females over males. Carey and colleagues suspect that the ...Females' Siren Song Initiates Courtship Duets In African Frogs, Columbia Biologists Find
...ound thinking upnames for the song," she said. "I hit on 'rapping' because it does mimic thesound, which is something like a Geiger counter." Professor Kelley had already shown that the Xenopus male's brain andmale muscles are specialized for his prolonged courtship songs and that thesecretion o...Prairies Will Be Hit Hard By Global Warming
Prairie ecosystems in North America will be hit harder than many areason this continent by the effects of global warming and the damage will becomeapparent within the next few decades, suggests a University of Torontoresearcher. "Predictions are that global warming will have especially str...Rare Mutation Find May Offer Clues To Treating Osteoporosis
... interesting patienthistories such as kids getting hit in the head with baseball bats and were nothurt even though the bats broke," Wright said. "Even in car and motorcyclewrecks, they rarely broke any bones." Note: Wright can be reached at (919) 966-8822, Hart at (910) 716-6735 and Patricia Salevan at...MSU Scientists Eavesdrop On Bacterial
...cteria throw some kind of genetic switch when they hit asurface, which is their cue to form a biofilm. When they break away from thecolony they undergo another biochemical change and revert back to theplanktonic, free floating type. "But there still was one unanswerable question: How could they ...Spinal Cord Injury Treatment May Improve With New Findings On Nervous System Damage
...cord, instructingus to move a pen, kiss a lover or hit a home run. Stroke and head trauma can rob us of the means to think and act by killing partsof the brain. Studies of how such events damage gray matter have flourished inrecent years, and drugs to reduce nerve cell loss now are in clinical trials. B...Remarkable Skull Of Predatory Dinosaur Unearthed On Madagascar
...wner of those teeth and, as luck would have it, we hit thepaleontological jackpot," explained Sampson. "This extraordinary skull ranksamong the best known for any dinosaur." With a total body length of almost 30 feet, Majungatholus was the toppredator of the time on Madagascar, likely feeding on...Scientists Unearth Remains Of A Predatory Dinosaur In Madagascar
...avating the site where the tail was found, Sampson hit thepaleontological jackpot. "This was the most terrific find I have been associated with in morethan 25 years of field work," says Krause, who now has led three expeditions toMadagascar as part of a project to map the entire fauna of the regi...UF Researcher's Innovative Fence Helps Control Sand Flies
...la.--When the children at St. Mark Catholic School hit theplayground, the biting sand flies in the mangrove marsh next door startsmacking their little bloodsucking lips. Like all their biting kin--mosquitoes, deer flies, horseflies and blackflies--sand flies use carbon dioxide to locate a host. So the hu......of secondary radiation, like splinters from a wall hit by a bullet. So, even more shielding is needed to absorb that, until eventually the radiation is worn down. Oddly, one of the better ways to stop radiation is with lightweight materials - hydrogen, boron, and lithium. The nuclei of heavy elements ...Study 'Gone With The Wind' Provides Stellar Ecological Example
...19 tiny islands in the Bahamas when Hurricane Lili hit thearea on October 19. The trio had introduced li... on the northeast ofGreat Exuma also were directly hit by Lili after it had passed over Great Exuma. Location made a difference in the fate of organisms. ...Study Suggests Weekly Hurricane And Rainfall Patterns Are Linked To East Coast Pollution
...apparentlyreduces the intensity of hurricanes that hit over the weekend, such that weekendhurricanes tend...Scale category, meaning that if a hurricanewere to hit on Tuesday or Thursday, it might be a Category 3, but if it were tohit on a Saturday or Sunday, it m...Genetically-Altered Crops Can Produce Tough, Hard-To-Kill Weeds
...d when transgenic, herbicide-resistantoilseed rape hit the commercial U.S. market in 1993. Since then, oilseed rapeproduction has been on the rise. In 1997, American farmers produced six timesmore canola oil than they did just five years before, according to the UnitedStates Department of Agriculture. ...International Conference Addresses Drug-Resistant TB Epidemic Ravaging Russia
...burdens.When a relatively small outbreak of MDR-TB hit New York City, some 600 cases inthe early 1990s, the city spent $1 billion in four years to bring it undercontrol. To address this growing problem, the Public Health Research Institute (PHRI) ishosting an International Workshop on TB in Russia on Mon...Turning "Unrecyclable" Waste Into Plastic Products
...lastic components created by this process but they hit upon the idea that they could also take this waste fluff and seal it inside the coated components, as part of the inner structure, as they were made. The final products can be painted to almost any colour and used in everything from car components t...UD Education News: HHMI Award Supports Undergraduate Discovery
...tudents, forexample, quickly concluded they should hit the library to determine "whether allthe carbon atoms in clothing are ultimately derived from photosynthesis." And, White says, "That's the whole point. They need to take the initiative tosolve the problem independently. They won't be able to hold jo......ells continually fall through the medium yet never hit bottom. Under these quiet conditions, the cells "self assemble" to form clusters that sometimes grow and differentiate much as they would in the body. Eventually, on Earth, the clusters become too large to fall slowly and research has to be continued...