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Tag: "million" at biology news

Scientists reveal the shape of a protein that helps retroviruses break into cells

... biggest mass extinction in Earth history some 251 million years ago was preceded by elevated extinction rate...and bottoming out at less than 12 percent about 10 million years into the Triassic period. "Oxygen dropped from its highest level to its lowest level ever in ...

Breakthrough isolating embryo-quality stem cells from blood

... dialysis machine, harvesting two or three hundred million primitive cells in the process. Various properties of these primitive cells have been used to try and isolate the 5% or so with the highest stem cell potential, but no single technology has proved completely successful for human stem cells. This is ...

Stealth Worms May Improve Insect Pest Control

... nematode phylum is estimated to have 500,000 to a million species. About 25,000 species have been identified so far," Stock says. ...

Six million Africans face famine because of locusts, drought

... destroyed crops and stripped grazing land for six million people across West Africa, small farmers have started selling livestock cheaply and eating the seed corn they should plant during next month's expected rains, the United Nations Office for the Coordination of Humanitarian Affairs (OCHA) said today. ...

AIDS Public Awareness Campaign Expands Following Report Of Rapidly Progressive HIV

... the State Health Department is expanding its $2.2 million HIV/AIDS marketing and media campaign to run additional HIV counseling and testing promotions in New York City, Long Island and Buffalo. The "Project Wave" television announcements, which will begin running shortly, focus on HIV prevention and the im...

New strategies to reduce hospital-aquired infections

...d healthcare institutions affect approximately two million people resulting in about 98,000 deaths at a cost of $29 billion in the United States each year," said Dr. Cervia. "We know that tap water, previously unrecognized as a source of many of these infections, harbors pathogenic microorganisms that can po...

Distributed Basic Local Alignment Search Toolkit (W.ND-BLAST)

...d healthcare institutions affect approximately two million people resulting in about 98,000 deaths at a cost of $29 billion in the United States each year," said Dr. Cervia. "We know that tap water, previously unrecognized as a source of many of these infections, harbors pathogenic microorganisms that can po...

Innovative collaboration brings Arctic science into the classroom

...c Matter and Suspended Sediments). This 5-year, $2 million project, sponsored by the U.S. National Science Foundation, is a collaboration of 4 nations to study fresh-water discharge from Russian, Alaskan, and Canadian rivers into the Arctic Ocean. Accompanying him on his travels will be Amy Clapp, an element...

Retrovirus struck ancestors of chimpanzees and gorillas millions of years ago, but did not affect ancestral humans

...ected with a deadly retrovirus about three to four million years ago, but there is no evidence it infected an.... The event also took place between three and four million years ago, well after the separation of humans from apes. That split is estimated to have occurred f...

Making Sure Sacred Sheep Don't Become Extinct

...ing Churro populations. At one time, there were 2 million of these sheep. In 1977, when conservation efforts started, there were fewer than 500. Now the estimates are around 1,500.—By David Elstein, Agricultural Research Service Information Staff. This research is part of Food Animal Production, an ARS Nat...

WHO suspends Marburg work, appeals for new funds

...gency response to this outbreak. WHO needs US$ 2.4 million to support the Ministry of Health, Angola to intensify ongoing operations in the field. To reduce the risk of transmission in the community, priority activities include intensive social mobilization and health education in the towns and villages of ...

NHGRI targets 12 more organisms for genome sequencing

... is prominent in Latin America, affecting about 20 million people in South America alone and killing 50,000 of them a year. Having the genome sequence of Rhodnius prolixus presents an opportunity for experts from the United States, Canada and Latin America to collaborate on understanding this widespread infe...

Chimp genome reveals a retroviral invasion

...Old World and New World monkeys diverged (25 -- 35 million years ago). In a new study, Evan Eichler and coll...hat gorillas and chimps were infected about 3 -- 4 million years ago, and baboon and macaque about 1.5 million years ago. The disconnect between the evolutiona...

UCLA study assesses cost-effectiveness of Hepatitis B drugs

...or treating hepatitis B -- a disease affecting 350 million worldwide. Published in the May 17 Annals of Internal Medicine, the study may help physicians worldwide in making treatment decisions. Researchers note that a degree of uncertainly exists on how to best initiate hepatitis B treatment due to a consta...

Insects, viruses could hold key for better human teamwork in disasters

...l infrastructures. Supported by a five-year $2.37 million grant from the National Science Foundation, and supplemented by the University of Illinois at Urbana-Champaign, the research team at Illinois is attempting to draw inspiration from the collaboration patterns that honeybees and ants use, and the sprea...

Venom doc tracks down snake bioweapons

... and dispersal of their saliva approximately 60-80 million years ago. Since that time, various prey-immobiliz...ures provided an excellent framework for the 60-80 million years of 'evolutionary tinkering' that have turned these proteins into potent, highly specific snake...

Newly discovered protein an important tool for sleeping sickness research

Sixty million people in 36 countries of sub-Saharan Africa are threatened daily by a deadly parasitic disease known as African sleeping sickness. The disease is caused by organisms called trypanosomes, which are spread by the tsetse fly. African sleeping sickness ...

Disabling gene defuses rheumatoid arthritis in mice

...mune form of arthritis, afflicts approximately 2.1 million Americans or about 1 percent of the population. Women are two to three times more likely to develop the disorder than men. Symptoms often occur in episodic bursts and may include morning stiffness, fatigue and joint and muscle pain. In severe cases, ...

Breakthrough System for Understanding Ocean Plant Life Announced

Sixty million people in 36 countries of sub-Saharan Africa are threatened daily by a deadly parasitic disease known as African sleeping sickness. The disease is caused by organisms called trypanosomes, which are spread by the tsetse fly. African sleeping sickness ...

Lipids get new comprehensive classification system

...rsity of California, San Diego and funded by a $35 million "Glue Grant" from the National Institute of General Medical Sciences. The five-year grant involves more than 30 researchers at 18 universities, medical research institutes, and companies across the United States. The Director of the LIPID MAPS initi...

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