Computer Program For Quicker, More Detailed Mapping
...e of DNA when scientists cut the long strands into small pieces. Usingstatistics to count how often particular pairs of markers remain together,computers can measure the distances between them and can determine theirorder on the DNA. Until now, generally available computer programs have had to test everyp...Nutrition Study Reshapes Strategies For Athletes
...ly working with them on having a plan for drinking small amountsof fluid, every hour, throughout each day o...uits and vegetables, breads,grains, pasta, cereal, small amounts of low-fat milk and meat, and somefoods that make life interesting."...Honeybees In The Wild Nearly Gone In North America
...lination andhave them trucked long distances. It's small and mid-sized growerswho are going to feel the pin...large growers for scarce honeybee colonies." These small and medium-sized growers are also likely to lose outto a safer and more lucrative activity for beeke...NADC Examines TB In Cattle and Swine
...sis reacted similarly to all threetuberculins with small variation among the responses. Cattle tested positivelyfor M. bovis most often when the Mexican tuberculin was used. Butthe research team concluded that there was no need to standardize the tuberculins. Plans are being made to use swine in studies...Humble Pocket Gophers Shed Light On The Genetic Fortitude Of Cheetahs
...r, races across African plains. The pocket gopher, small and squat, scurries among tunnels in the American ...t mammals. Each Humboldt gopher accepted grafts of small patches of skin from other animals within its own population, whereas the Carmel Valley gophers did ...Surprising Protein Movement Seen In Cells
...he organelle are eventuallypackaged in vesicles -- small sacks of membrane -- pinched offand then transported out to the rest of the cell, where they areneeded for a variety of purposes. But these specific proteins are not transported; they aremysteriously retained in the organelle. Without the retention,t...Nitric Oxide May Hold Key To First Treatment For Deadly Form Of Malaria, Duke Scientists Report
... To defend themselves, bacteria deploy an army of small thiol mops thatsop up the SNO barrage and then break SNO down into harmless compounds.Thisis a bacterium's first line of defense. If too much SNO gets in, it disables the bacteria by damaging key proteinsthe bacteria need to survive. While t...Genetic Alterations Linked To Cancer In Some Blood Samples
...e blood plasma of over 70 percent of patients with small cell lung cancer. The authors speculate that the higher presence of alterations may be indicative of the high propensity of this cancer to spread. In addition to Sidransky, other participants in the Hopkins study include Drs. Homaira Nawroz and Wayn......he technique allows researchers to take samples as small as a single cell and identify many of its componen...duction came about as a result of customizing very small quartz capillaries for electrospray. Valaskovic used laser heated fabrication, chemical etching and...Nitric Oxide Found To Control Cells By Turning On Genes; Suggests New Role In Health And Disease
... To defend themselves, bacteria deploy an army of small thiol mops thatsop up the SNO barrage and then break SNO down into harmless compounds.Thisis a bacterium's first line of defense. If too much SNO gets in, it disables the bacteria by damaging key proteinsthe bacteria need to survive. While t...Major Plant Genome Research Project Underway
...y $12 million. Arabidopsis thaliana is a small plant in the mustard family, and has the smallest genome and the highest gene density so far identified in a flowering plant. What scientists learn from the study of Arabidopsis genes will be immediately applicable to economically important plant s...Researchers Find Genetic Clues To Intestinal Disease
...y history of Crohn's disease, more problems in the small intestine, more stricturing disease and require more surgery than patients 40 years and older. The other authors of the reports are Joseph M. Polito II, Renee C. Rees, Barton Childs, Albert I. Mendeloff, Mary L. Harris, Arron Z. Tokayer, Shirley A. Q...North America Hit Hard By Asteroid Strike In Yucatan 65 Million Years Ago
..., R.I. -- All asteroid-based extinctions great and small are notalike. A new study says the asteroid that struck Earth 65 million years ago andwiped out the dinosaurs was particularly deadly to North America because it hitthe Yucatan peninsula from the southeast at a 20- to 30-degree angle, spreadingthe d...Scientists Identify Retrovirus-Like Components In Corn Genome
... question we now have is 'How do those plants with small genomes, such as rice, restrain these prolific DNA segments?'" he says. The study also indicates that many of these retrotransposons in corn appear to be retrovirus-like parasites, an unexpected finding because other organisms with such matter in the...Cornell Scientists Find Way To Boost Rice Crop Yield -- They'll Walk On The Wild Side
... -- since they do not produce much rice, have very small grains, and the plant tends to shatter -- there is some useful genetic treasure. Specifically, McCouch and Tanksley used the domesticated Oryza sativa rice. Through gene-mapping activities, they deduced that the wild rice O. rufipogon contained two ......thed rodents dig miles of burrows in search of the small bulbs and tubers that sustain them. Tuber patches in mole-rats' natural habitat are widely and irregularly dispersed, explained Sherman. Naked mole-rats (Heterocephalus glaber) must chew through lots of hardpan dirt to find a patch of tubers. B...Sea Turtles Have Favorite Oceanic Routes
...agues tagged eight female leatherback turtles with small satellite transmitters designed to survive the crushing pressure of the ocean's deep water and buoyant enough to transmit a signal when a turtle reached the water's surface. Attaching the transmitters to the turtles was not easy: the pliable, yet oi...... known, she said, because more is being cut. Also, small parcels of forest do grow back in some areas. "Som... are there often more plant and animal species per small area in a tropical rain forest," Terwilliger said, "but a tropical country as tiny as Costa Rica or ...