Tag: "natures" at biology news

Rockefeller University researchers discover immune-cell mechanism that boosts therapeutic antibody potency

...ipulate it to great effectiveness." Antibodies are natures own defense against foreign intruders. Antibody molecules comprise two main segments: a variable region, which is highly specific in order to recognize any foreign shapeor pathogenit may encounter; and the Fc domain, which couples the antibody to cer...

Paul Ehrlich challenges evolutionary psychology and the 'selfish gene' in his latest book, 'Human Natures'

...ture have been fully as important in producing our natures as have changes in the hereditary information passed on by our ancestors," he adds. Take, for example, the popular belief that human males are genetically wired to be more promiscuous than females. "Women, like men, evolved to be smart," says Ehrlic...

Cloning can turn back the developmental clock

...g the cloning process," he says. X-inactivation is natures way of making sure that males and females have equal numbers of X-linked genes, explains Eggan, the first author on the paper. All human embryos inherit 23 pairs of chromosomes: one pair of sex chromosomes and 22 pairs of non-sex, or autosomal, chro...

URI professor investigates the muscle behind blue mussels

... how far can the threads stretch? "The threads are natures little bungy chords," says Carrington, noting that the threads are stronger than most rubber materials and can stretch up twice their length before breaking. That function is important because as tethers, only the threads that are in tension can bea...

Chemist at University of California, San Diego, wins national award for drug research

...doses, called tolerance. Were interested in taking natures opioids, such as endorphins, and trying to make them more effective without involving the defects of morphine, Goodman said. His team must uncover new strategies and chemical reactions to make building blocks of peptide mimics as well as the novel ta...

Univ. of Fla. professor: Air cleaning system destroys Anthrax, other pathogens

... spore, aspergillus niger, considered to be one of natures hardiest spores, he said. More recent research has shown that the system also destroys bacillus subtilis, a spore that causes food spoilage and is a cousin of the anthrax spore, bacillus anthracis. In the laboratory, we normally test with no...

UT Southwestern scientists explain how the injured brain remodels itself

... traumatic brain injuries in adult mice found that natures own restorative powers are more extensive than previously thought. Perhaps even more exciting, we found that the regenerative powers are widespread, not just in the immediate area of the injury. Though using mice, our study raises the possibility tha...

Assaulting the mosquitos sense of smell

The mosquito may be natures most effective bioterrorist, accounting for millions of deaths each year. But the end of its eons long reign of terror may be in sight. Scientists have begun to apply the power of genomics and molecular biology to understand how the mosquito detects ...

Environmentally friendly ways to nourish the 'flower of love'

...y 25, 2002) -- Its no wonder that the rose, one of natures most delicate and beautiful flowers, represents lifes most delicate and beautiful experiences, love. But like love, roses need special care in order to bloom, care that in the past may have meant large doses of chemicals to ward off diseases and othe...

Prescription drug pollution may harm humans, aquatic life

... researchers will try to determine how efficiently natures self-cleansing processes eliminate these man-made pollutants. Color images of Roberts, Venkatraman and Blumenfeld available; Contact Phil Sneiderman Related Links: A. Lynn Roberts Web Page: http://www.jhu.edu/~dogee/people/faculty/roberts.html Pad...

Industry explores renewable resources, such as lignin

... gigantic," says Glasser. Industry wishes to adopt natures ways of sustainability. "So we are looking at the current state of art in making use of these biomass resources for industrial materials." Glasser has worked with lignin for a long time, extracting it from wood and agricultural harvesting residues an...

Spun from bone

... tissues, implants and synthetic coatings based on natures rules. The proteins determine the crystal structure, said Wendy J. Shaw, lead author and PNNL staff scientist. Like bone, teeth are made of HAP, but the proteins present when teeth form create enamel, a material with entirely different properties fro...

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