Race Plus Roaches: A Breathtaking Link
...he researchers say. "We honestly don't know why race plays a role independent of poverty," says Peyton ...e, were studied. But none proved as significant as race and family income level. According to Eggleston, the researchers hope to use this information to per...Nitric Oxide May Hold Key To First Treatment For Deadly Form Of Malaria, Duke Scientists Report
...on."he said. "The moment SNO enters a bacterium, a race is on as to whetherit will defend itself quickly enough to evade the immune attack, or whetherthe SNO will win by quickly disabling the cell, making it vulnerable toa macrophage attack. In some cases, then, the bacterium wins, forming resistanceto an...Nitric Oxide Found To Control Cells By Turning On Genes; Suggests New Role In Health And Disease
...on."he said. "The moment SNO enters a bacterium, a race is on as to whetherit will defend itself quickly enough to evade the immune attack, or whetherthe SNO will win by quickly disabling the cell, making it vulnerable toa macrophage attack. In some cases, then, the bacterium wins, forming resistanceto an...... also began hunting for the APECED gene and the race was on. The race has now ended in a tie, and the two international teams report the cloning and initial charact...Tiger Beetles Go Blind At High Speeds
...nd. Michael Johnson would have to run a 200 meter race in 0.87 seconds to equal the relative quickness of the Australian species, or in 2.03 seconds to equal the relative speed of the beetle I work with." Found throughout the world, tiger beetles come in a variety of species. More than 100 species of th...UF Researchers Identify Virus That May Cause Epidemic Disease In Sea Turtles
...ening lesions, saving the animal's life.But it's a race against time for a cause and a cure. So far, thedisease is claiming turtles' lives faster than scientists cansave them. "It takes sea turtles a long time to reach sexualmaturity," Klein said. "So what this disease does isit affects juveniles ...Food Bacteria-Spice Survey Shows Why Some Cultures Like It Hot
... are a record of the history of the coevolutionary race between usand our parasites. The microbes are competing with us for the same food,"Sherman says. "Everything we do with food -- drying, cooking, smoking, saltingor adding spices -- is an attempt to keep from being poisoned by our microscopiccompetit...Molecular Memory Tunes Adrenaline To Stress
ITHACA, N.Y. -- In the rat race of life, a sudden demand from the boss can trigger an adrenaline surge that quickens your pulse, raises blood pressure, kick-starts anxiety and prepares you for "fight or flight." Now Cornell University neurobiologists, studying the adrenal gland...Monogamy Has Its Rewards For Flies
...r mate and vice versa. That shouldconvert the arms race into a mutualistic interaction," says Rice. After 34 generations, Holland measured the toxicity of the flies'seminal fluid by mating the males with females that were specially bred to beparticularly sensitive to seminal fluid toxins. The fem...Genetically Speaking, Race Doesn't Exist In Humans
...any people wrongfullyconsider to be the essence of race in humans -- genetic differences," saysTempleton. ...empleton used the same strategy to try to identify race in human populationsthat evolutionary and population biologists use for non-human species, fromsalam...Wisconsin Scientists Culture Elusive Embryonic Stem Cells
...ycompany Geron Corp., caps a 17-year international race to be the first tocapture and sustainably culture human embryonic stem cells. By providing the rawmaterial for virtually every kind of human tissue, new customized strategies fortreating a wide range of human diseases including diabetes, heart diseas...Interferon Less Effective Against Hepatitis C For African Americans
...nstitutes of Health, discussed a study of the role race and ethnicity play in determining how well patients respond to using interferon to treat chronic Hepatitis C. A large, randomized, North American controlled trial of response to interferon compared African American, Caucasian, Hispanic, and Asian pat...Study Of Origin Of Species Enters The Molecular Age
...ing might pop up that gives one male an edge inthe race to reproduce," says Wu. "The advantageous gene will be selected forand passed on to male progeny." Usually sexual advantages in males have to do with sperm production, or the composition of the ejaculate, "anything that makes it easier for t...Gene Identified For Heart Defect That Causes Sudden Death In Young People
...lockthe process of programmed cell death." Now the race is on to clone the gene and devise a simple test that will tellfamily members of individuals with ARVD whether they too have inherited thisspecific faulty gene. Some members of the tested family already have hadautomated defibrillators implanted in ...X-Ray Concentrator Will Expand Window On High-Energy Universe
...ace at justless than the critical angle. Imagine a race car bouncing back and forth betweenthe guard rails as it barrels down the track. That's pretty much what X-rays doinside a glass capillary. And the capillaries can be bent so they concentratethe X-rays into a small area of the detector, making a smal...Discovery Of 13 Genes Expressed In Brain Tumors May Lead To More Effective Diagnosis Or Prevention
...advances springing from thescientific community's race to map all of the genes of the human body. Thistype of "gene chip," robotics-based technology, is now being used bypharmaceutical companies to develop new drugs but is rarely found in clinicalresearch settings. "Gene Discovery Array is an extreme...Details of promising cancer therapy shows for the first time
...archers. Several pharmaceutical companies arein a race to develop so-called farnesyl protein transferase (FPT) inhibitors,which incapacitate an enzyme recently found to activate many types of cancer. The drug detailed in this study is currently in clinical trials. The findings will appear in the Journal ...Stanford launches interdisciplinary initiative in the biological sciences
...s Watson was encouraged to enter the DNA-discovery race by physicist ErwinSchrdinger's comment that the future of biology lay in the molecularunderstanding of the gene. Watson went to Cambridge to work with Francis Crick,a physicist, to determine the structure of DNA. Working together, they deducedthe str...The Tour de France--In terms of jelly donuts
...ike. Propelling thebike forward in a typical day's race requires only about 6 jelly donuts ofenergy. Where do the remaining 25 donuts of energy get spent? You guessed right--it'swasted--in the formof heat. Now, the human body is a relatively efficient machine. But like allmachines, it unavoidablygenerate......ibility genes over long periods of time. "The arms race theory has been a generally accepted model for the...sults were surprising indemonstrating that an arms race is not occurring for the resistance gene westudied." The researchers focused on the Rpm1 gene in Ara...