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Tag: "lives" at biology news

Dirty snow may warm Arctic as much as greenhouse gases

...ighten and temperatures would cool. Carbon dioxide lives in the atmosphere for a century, so cutting back on emissions can prevent further warming but does not produce immediate cooling....

U-M researchers discover gene switched off in cancer can be turned on

...s. Newer treatments are much less toxic and extend lives by months, but the same people who died from lung cancer 30 years ago, would still succumb to this disease today. Targeted therapies have dramatically improved cancer care in recent years, because they thwart the specific genes which drive the dev...

CU study reveals why starling females cheat

...the group when young, most males live their entire lives with their families and, therefore, are usually related to the chicks. By helping the chicks survive, they pass on familial genes. In contrast, some females cheat with males outside their group if they sense their mates are too genetically similar...

Genome of Clostridium botulinum reveals the background to world's deadliest toxin

...methods of acquiring resistance to antibiotics. It lives either as a dormant spore or as a scavenger of decaying animal materials in the soil, and doesn’t interact with human or other large animal hosts for prolonged periods of time. Occasionally it gets into a living animal, via contaminated food or op...

Lessons from the orangutans: Upright walking may have begun in the trees

...ra, Indonesia. Orangutans spend almost their whole lives in trees, making them useful models for how our ancestors moved around several million years ago. To collect the data, Thorpe spent a year living in the Sumatran rainforest and recording virtually every move the orangutans made. Then, she and her ...

HIVMA opposes The Gambia's unproven AIDS remedy

...ich have a well-established track record of saving lives in Africa."...

Protein enables discovery of quantum effect in photosynthesis

..., which comes from a photosynthetic bacterium that lives in extremely high temperatures, enabled the researches to discover that quantum mechanical effects appear to play a role in photosynthesis. The taco shell protein is arguably the most studied and understood protein in a complex photosynthesis res...

Why do oysters choose to live where they could be eaten?

...enefits accrued by spending the remainder of their lives among a large number of their species." Tamburri worked with UCLA researcher Drs. Richard K. Zimmer and Cheryl Ann Zimmer to examine this apparent paradox. The group set out to find: (1) if oyster larvae are attracted to settle on oyster reefs amo...

New knowledge improves rice quality

...cing of the rice genome, and use it to improve the lives of the poor by providing either better quality foo...mple of using the latest in science to improve the lives of the poor, while satisfying the desires of the affluent," he added. ...

Parasites' impact goes beyond host to affect ecosystem

... hosts in the life cycle of C. lingua, which first lives in the snails?gonads then moves to a fish as its second host. Shorebirds ?more prevalent on Appledore than on the mainland ?are the final hosts, contracting infection by eating infected fish, then in their feces excreting the eggs of C. lingua, which...

From the deep -- Researchers find new species of sea anemone

...one may have male and female sex organs), or if it lives exclusively on whale carcasses. "So far, a single dead whale is the only place where we've found these anemones," Daly said. She and Gusmão plan to include A. pearseae in a long-term evolutionary study of genetic relationships among sea anemone...

Rare soft-shell turtle, nesting ground found in Cambodia

...g. The stretch of Mekong River where the turtle lives is an area closed for many years to scientific exploration because it was one the last strongholds of the former Khmer Rouge regime in Cambodia. The survey was the first detailed study of the area since security restrictions were relaxed in the late ...

Tracking sperm whales and jumbo squid

... are both major predators that spend much of their lives in one of the world’s largest ecosystems, the mesopelagic zone [650 to 3,300 feet below sea level]," the authors wrote. "How sperm whales search for, detect and capture their prey remains uncertain." To find out, the researchers traveled to the Gu...

Imaging techniques permit scientists to follow a day -- or four -- in the life of a cell

...s to gain a long-term perspective on events in the lives of cells. ...

Fighting influenza & co. with 40,000 blood samples

... amount of residual viruses. Spanish flu took the lives of at least 25 million people between 1918 and 1920. But the disease was not only exceptional because of its extreme virulence. The patho-gen, the influenza virus subtype A/H1N1, homed in on women and men in the prime of their lives. 'Normally respir...

Cold sore virus might play role in Alzheimer's disease

... cycle. Herpes simplex is a chronic infection that lives in a person for a lifetime, periodically flaring up in a "lytic" phase where it causes cell damage, then retreating and seeking safe harbor within the body's nerves in a "latent" phase. The virus spends most of its time in the latent phase, sequester...

New species of snapper discovered in Brazil

...as adults. "Several species spend some of their lives in these different yet connected habitats," Lindeman said. "That's why it's so important to develop integrated conservation strategies that include mangroves, deep reefs and other interdependent ecosystems." ...

New research shows that flu is a trigger of heart attacks

...ve, easy to administer and could save thousands of lives every year." Prof Madjid ?who directs a research lab dedicated to the effect of flu on the cardiovascular system ?pointed out that the implications of the research were even more important with a looming flu pandemic when a much higher percentage ...

QUT scientists on the way to sifting out a cure for HIV

...be able to be filtered from human blood saving the lives of millions of people, thanks to a world-first inn... into a product that has the potential to save the lives of people with HIV." ...

Study uncovers a lethal secret of 1918 influenza virus

...ent in Asia and which has claimed nearly 150 human lives but has not yet shown a capacity to spread easily among people. "What we see with the 1918 virus in infected monkeys is also what we see with H5N1 viruses," Kawaoka says, suggesting that the ability to modulate immune response may be a shared feat...

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