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Tag: "race" at biology news

Breast-Cancer Risk Linked to Exposure to Traffic Emissions at Menarche, First Birth

...ere randomly selected and matched to cases on age, race and county of residence. Researchers in the WEB study conducted in-depth personal interviews with study participants to collect data on potential breast-cancer risk factors and a history of where they had lived at different times in their lives. Res...

Youth With HIV Take More Risks After New Meds Introduced

...the groups were very similar in terms of sex, age, race and ethnicity and other socioeconomic characteristics. The 1999-2000 post-HAART group was almost twice as likely as the pre-HAART group to have had unprotected sex in the last three months. On average, post-HAART youth had nearly double the sexual p...

Medical whistleblowers speak out

...uture." Another lesson, says Lenzer, is that "the race to approve new drugs without proper safety testing may be compromising the public's health." A research scientist from a major pharmaceutical company, who participated in the roundtable by speakerphone to protect anonymity, said that "drug companies ...

Live vaccines more effective against horse herpes virus

...ces at the Pimlico Race Course were not allowed to race due to the Churchill Downs quarantine. Because of the outbreak, the NYRA isn't taking any chances. "The New York State Racing Association has put in a directive requiring veterinarians to show that horses have had no fevers for the last three weeks,...

Scientists journey to southern Africa to unravel the secret world of elephant communication

... speeds in different soils. In Salinas, vibrations race through the ground at 1,300 feet a second--twice as fast as in Etosha National Park. Because slower seismic waves maintain their integrity longer, it is possible that elephant vibrations in Etosha would travel farther than in Salinas. "After we did ...

MUHC scientists describe genetic resistance to rampant virus

...hey fight have been locked in an evolutionary arms race for millions of years in an attempt to overwhelm each other. Dr. Vidal and her team have spent the past 10 years studying CMV-resistant mouse strains in an attempt to describe the nature of their genetic resistance. "This research marks our second d...

Could microbes solve Russia's chemical weapons conundrum?

...hemical warfare agents (CWAs). The country faces a race against time to dispose of the stockpile by 2007, in accordance with the Chemical Weapons Convention (CWC). This disposal must be achieved in an ecologically-sound manner. Dr. Inna Ermakova and colleagues from the GK Skryabin Institute of Biochemist...

Too much water may be as dangerous as too little during long-distance athletic events

Drinking water during a long-distance race may do serious harm rather than keep you safe from...istance athletes who drink too much water during a race could put themselves at jeopardy for developing hyponatremia, a condition marked by a loss in the bo...

Bush, Cheney and Rumsfeld are now species of slime-mold beetles -- but strictly in homage

Drinking water during a long-distance race may do serious harm rather than keep you safe from...istance athletes who drink too much water during a race could put themselves at jeopardy for developing hyponatremia, a condition marked by a loss in the bo...

New design : complete

Drinking water during a long-distance race may do serious harm rather than keep you safe from...istance athletes who drink too much water during a race could put themselves at jeopardy for developing hyponatremia, a condition marked by a loss in the bo...

At the molecular level, the predator is the prey

An evolutionary arms race between predatory garter snakes and their newt qua...ot in these snakes. We're finding a molecular arms race is driving rapid and repeated changes in the gene within this group of beasts." For TTX to bind suc...

Asymptomatic HIV babies could use earlier treatment

...dentifying and treating HIV-infected newborns is a race against the clock, according to a study from the Stanford University School of Medicine and Lucile Packard Children’s Hospital. Researchers found that HIV-infected infants treated with one or two antiretroviral drugs within two months of birth were l...

Male Combat Veterans Rank High In Heart Disease Risk

...n cardiovascular risk. After controlling for age, race and education, the study found that combat veterans were 1.9 times more likely to be heavy smokers as opposed to never smokers than non-veterans and 1.2 times more likely to be heavy smokers as opposed to never smokers than non-combat veterans. Comba...

Can our genes tell the story of our divergence?

...ether these explanations - of an evolutionary arms race - prove plausible. We're a long way from understanding why we're so different from our closest primate cousins, but this study provides plenty of tools, and hypotheses, to mine the tiny differences in our DNA for more clues. ### Citation: Nielsen R...

Virologist finds contagious equine flu in dogs

...chers sent fluid and tissue samples from greyhound race dogs that had died from a respiratory illness at a Florida racetrack in January 2004. "Of all animals, dogs have the most intimate contact with humans on a daily basis, so the potential for human infection has to be in the back of our minds," said ...

Gaining ground in the race against antibiotic resistance

... a new strategy that may give them a leg up in the race -- reproducing in the lab the natural evolution of the bacterial enzymes that confer resistance. A team of scientists in Argentina and Mexico identified mutations that increased the efficiency of a bacterial enzyme that renders penicillin and cephal...

UW scientists report a new method to speed bird flu vaccine production

...ic, the world's vaccine manufacturers will be in a race against time to forestall calamity. But now, thank...y, the virus is always different. The process is a race against time and can take months depending on how quickly new strains are identified, genetically di...

Creeping crinoids! Sea lilies crawl to escape predators, new video shows

... four centimeters per second---suggests that "in a race with a sea urchin, the sea lily would probably win." Now Baumiller is studying fossil crinoids, looking for telltale structures that will help him understand how and when sea lilies developed the ability to move around and shed their stalk ends. He ...

U. of Colorado researcher identifies tracks of swimming dinosaur in Wyoming

... four centimeters per second---suggests that "in a race with a sea urchin, the sea lily would probably win." Now Baumiller is studying fossil crinoids, looking for telltale structures that will help him understand how and when sea lilies developed the ability to move around and shed their stalk ends. He ...

Plant defenses prompt bacterial countermeasure in the form of 'island' DNA excision

...hers have essentially caught one step of this arms race in action, and they have shed light on the molecular mechanisms employed by a bacterial pathogen to survive in the face of its host plant's defenses. The research is reported by John Mansfield and colleagues at Imperial College London, the University...

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