Tag: "black" at biology news

Bacterial Toxin Surprises Scientists

Toxic proteins in black widow spider venom and some sea anemone toxins share the same strategy--they punch huge holes in the cell membranes of their victims. Pharmaceutical companies harness this strategy in the potent antifungal medications ...

Asian Beetle, New In This Country, Threatens Brooklyn's Shade Trees

... covers sprinkled with startling white spots. The black and white antennae are long and impressive; the beetles are not harmful to humans. However, it was found devastating trees in the Greenpoint neighborhood of northern Brooklyn. U.S. border entrances are jealously guarded to keep such pests from infil...

Scientists Discover Smallest Frog

...uban colleagues discovered the tiny orange-striped black frog living under leaf litter and among the roots of ferns in a humid rainforest on the western slope of Cuba's Monte Iberia. Hedges and Cuban scientist Alberto Estrada gave the frog the scientific name Eleutherodactylus iberia . Those two words a...

Prostate Cancer May Be Predicted 10 Years Before Diagnosis

.... Prostate cancer rates are 37 percent higher for black men than white men. Between 1980 and 1990 prostate cancer incidence rates increased 65 percent, largely due to improved detection. A free fact sheet on prostate gland changes, "Prostate Problems," is available by calling the NIA Information Center'...

Prostate Cancer's Aggressiveness May Be Predicted Early By The Ratio Of Free To Total PSA

...s. Prostate cancer rates are 37 percent higher for black men than white men. Between 1980 and 1990 prostate cancer incidence rates increased 65 percent, largely due to improved detection. A free fact sheet on prostate gland changes, "Prostate Problems," is available by calling the NIA Information Center's...

NIH Team Discovers Endocrine Tumor Gene

...nlike any human protein we have seen. It's a real black box." Drs. Marx and Spiegel collaborated with Francis Collins, M.D., Ph.D., director of the National Human Genome Research Institute (NHGRI) and Settara C. Chandrasekharappa, Ph.D., also of NHGRI, and Lance Liotta, M.D., Ph.D...

Hopkins Engineering Undergrads' Inventions: Power Tools For Double Amputee, Military Surveillance Robot

...tpowered by a van's exhaust. (MEDIA NOTE: Color or black and white photos of the studentengineers with the power tools for an amputee and the snake-likerobot are available.) Following are the names and hometowns of students involved insome of the 1997 projects described in this release: Power Tool...

First Planned Release Of Captive Lemurs In Madagascar Wilds Expected In Fall

DURHAM, N.C. -- U.S.-bred black and white ruffed lemurs, descendantsof animals ori...e their faces. Their coats are various pastichesof black and white. Also characteristic are their group vocalizations, abarking roar so evident during feedin...

Summer Science: Firefly Babies Advertise Their Bitter Taste, UD Researchers Say

...zardous meal. Brightcolors, such as the orange and black patterns on a monarch butterfly or theyellow stripes on a wasp, are far more typical examples of aposematic display,Tallamy notes. Baby fireflies (Coleoptera: Lampyridae) clearly use light signalsto ward off predators, UD researchers found. This new ...

Couch Potatoes, Not French Fries, May Be To Blame For Obesity

...e foods and trendy foods such as jarred peppers or black olives are less likely to be obese than groups that consume more traditional foods such as canned goods, frankfurters or pudding. Randy Gretebeck, a registered dietitian and exercise physiologist in Purdue's Department of Foods and Nutrition, says it...

More To Drought Than Meets The Eye

...ght growth reductions in that area. In the valley, black oak andred maple both suffered large and frequent growth declines during drought, butare considered moderately to highly drought tolerant. "It appears that there is an inconsistent pattern between leaf-levelphysiology and radial growth," say...

Photocatalytic Air Cleaning System Promises To Help Allergy Sufferers

...Goswami said, may cost as little as $500. Color or black & white photo available with this story. For information, please call News & Public Affairs photography at 352-392-9092....

Captive Lemurs To Depart For Madagascar Oct. 17 For First Release Into The Wild

... fur that frames their faces and the lush coats of black and white fur, areamong Madagascar's most endangered, Katz said. "They can only survive in primary tropical rainforests. They cannot adapt to cleared land or secondary forest. They arealso among the most well-known lemurs, beautiful, striking, and v...

Overfeeding Normal Infant Rats Affects Three Generations: Permanently Changes Basic Metabolism, Interferes With Reproduction

...in the study were Long-Evanshooded rats, a spotted black and white strain often used in laboratories, notthe more familiar white rats. The first generation consisted of normal sister rats randomly assignedto one of three groups when they were 5 days old. One group was fed by motherrats. A secon...

Duke Lemurs Are Released In Madagascar

...e fur that frames their facesand the lush coats of black and white fur, are among Madagascar's most endangered.They are regularly hunted for food on the island. After their arrival in Madagascar three weeks ago, the animals -- Janus,Letitia, Praesepe, Sarph and Zuben'ubi - had spent time in an outdoor cag...

Green Tea Ingredient Can Kill Cancer Cells

...y 20 percent of tea consumed is green; the rest is black tea. Other authors on the paper are Nihal Ahmad, Denise K. Feyes, Anna-Liisa Nieminen, and Rajesh Agarwal, all with the CWRU School of Medicine....

Guidelines For Next Generation Of Environmental Policy

...more subtle and more difficult to address than the black skies ororange rivers of a generation ago. "Like nature itself, environmental problems constantly evolve. So, too,must our strategies for dealing with them," says Ms. Chertow, an industrialenvironmental management expert on the faculty of th...

Mapping The Way To A Bigger Prawn

...oduce an International genetic linkage map for the black tiger prawn. This research will involve other groups in Thailand, China and the USA...

Testing Sought For Brighteners, Natural Substance In Spices, Cosmetic Chemical, Three Herbs, A Natural Oil And A Fertilizer

... a naturally occurring substance in such spices as black pepper, anise, nutmeg and mace and in carrots and parsley; 2-Chloropyridine, an intermediate chemical in the manufacture of some cosmetics as well as pharmaceutical and agricultural products with considerable occupational exposure; Glycol...

Microsurgery Made More Accurate With Virtual Measuring Tool

...k was to sequentially align the VTM pointer to the black dot targets and then apply the "feature grab" option to complete the measurement. The absolute distance between the two dots as calculated by the VTM was recorded in each case. Eight pairs of targets were used, and subjects made only one measurement ...

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