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Tag: "natural" at biology news

Tropical forests -- Earth's air conditioner

...," he explains. "It just makes no sense to destroy natural ecosystems in the name of saving natural ecosystems."...

Nanotextured implant materials: blending in, not fighting back

...e texture of implant materials to better match the natural texture of the endothelium, they found that endothelial cells quickly colonized the foreign surfaces, effectively camouflaging them and preventing smooth muscle cells from overgrowing the implants. Once the endothelial cells form a single, solid laye...

UCSD researchers discover variants of natural tumor suppressor

...ing on their 2005 discovery of an enzyme that is a natural tumor suppressor, researchers at the University of California, San Diego (UCSD) School of Medicine have now identified two variants of that enzyme which could provide new targets for therapies to treat diabetes, heart and neurological disease. The f...

Tracking sperm whales and jumbo squid

... species that are very difficult to study in their natural habitat," Davis noted. "In the future, this co-tagging approach should yield new insights into predator-prey interactions with other pelagic species that are large enough to carry electronic tags." Added Gilly: "Although human observers at the sur...

Discovery could lead to better control of hemorrhagic fever viruses

...ranslate these findings into treatments to contain natural or intentional outbreaks of New World hemorrhagic fever. Serendipitously, several anti-TfR1 antibodies have already been developed as anticancer therapeutics (cancer cells are also high in TfR1), and some have already been through clinical trials. Ch...

Bacterial walls come tumbling down

...ys into a pattern that would ultimately reveal its natural structure. They then were able to repeat the feat ...would like to see the enzyme in a complex with its natural substrates as well as with inhibitors," Lovering said. In the meantime, scientists now have the deta...

Remote sheep population resists genetic drift

...f Alberta. "We think this has happened because natural selection is more important to the evolutionary pr...t," he said. "And I think it shows us the power of natural selection." Coltman and his colleagues, including Renaud Kaeuffer and Denis Réale from the Univer...

New study challenges 'critical period' in childhood vision development

...mine depth, localize faces amongst a background of natural scenes, and match faces by their identity. This case demonstrated that a person can acquire visual function even after being deprived of sight for an extended period during childhood. The evidence gathered from this case study presents a scientifi...

Cancer-killing invention also harvests stem cells

...ies. King set out to find a way to duplicate this natural process. First, he noted that the selectins fo...ls contain a lot of decoy receptors, giving them a natural protection against TRAIL, whereas cancer cells mainly express the two receptors that signal cell dea...

Secret of worm's poison pill box protein could produce new natural insecticide

...hat could now be used as a basis of a new range of natural insecticides. It had been known that nematode worm...f properties that make it a particularly efficient natural insecticide and possible alternative to some commercial insecticides that are facing increased resi...

Grape expectations for healthier wine

...lthier more hypoallergenic wines. Antioxidants, natural compounds found in red wine, chocolate, coffee and many fruits, are believed to help prevent a variety of diseases including cancer and neurodegeneration. ...

MU researcher placing eye implants in cats to help humans see

...ying due to disease progression with the hope that natural sight can be maintained much longer than would be possible in an untreated patient." Narfstrom, the Ruth M. Kraeuchi-Missouri Professor in Veterinary Ophthalmology, is working primarily with Abyssinian and Persian cats that are affected with ...

Fighting to keep Darwin in the classroom

...les to ecosystems and from 'intelligent design' to natural selection. We aim to make a big difference in evolutionary education." Amelia McNamara, Vice President, Publishing, Life Sciences and Biomedicine at Springer, said, "Springer stands behind evolutionary theory as a fundamental component of modern ...

Turning green gunk to gold, anti-cancer gold

...ls. Developing an efficient synthetic route to natural product compounds and their analogs is often an es...hod to manufacture the broad class of cryptophycin natural products, including important analogs with clinical potential. This included characterization of an ...

ESA launches new project to protect biodiversity

...nvention process regarding the future integrity of natural ecosystems, the survival of species and the goods and services they offer to humankind," the UNCBD's Höft said. "It also demonstrates the responsible role of the private sector in offering tools and services for the benefit of the global community." ...

Scientists use nanoparticle to discover disease-causing proteins

... protein and its function, we want to preserve its natural environment and see where two molecules meet and w...ns in laboratory dishes damages the sample and the natural environment is destroyed." The dendrimers would carry one of the stable isotopic or fluorescent l...

Scientists find method to pick noncompetitive animals, improve production

...s in predicting how social interactions impact the natural evolution of species. Muir and his colleagues write about the tool and its effectiveness in two papers published in the current issue of the journal Genetics. The journal's cover highlights the work with a photograph that Muir took of various colo...

Darwin's famous finches and Venter's marine microbes

... inception of Darwin’s theory of evolution through natural selection, he had no inkling of their significance...nd his team ?will have on our understanding of the natural world. "If anything, this is just the beginning," says Gerard Manning, Ph.D., director of the Ra...

Scientists discover stage at which an embryonic cell is fated to become a stem cell

... that they will develop with the properties of the natural stem cells of the embryo." The study also found cell fate and transcription activity is determined by the level of a methylated form of histone H3, one of the basic proteins around which DNA is packaged and which when modified in this way affects...

Scientists find potential 'off-switch' for HIV virus

...re precisely timed to turn off viruses just like a natural genetic circuit might." ...

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