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Tag: "people" at biology news

Researchers Identify Cause of Early Bird Sleep Disorder

A few rare people who consistently nod off early, then wake up wide-eyed much before dawn, can blame a newly-found mutant gene for their sleep troubles, Howard Hughes Medical Institute researchers announced today. This odd "time-shift" trait -- called familial advanc...

Shark attack worries? Driving to the beach is more deadly

...ed sharks for years. Worldwide, about one million people a year are killed in auto accidents, including mor...d States. McEachran goes on to note that far more people die each year - about 90 worldwide - from an allergic reaction to eating peanuts. Despite several a...

New HIV drug candidate developed in Sweden

...ed sharks for years. Worldwide, about one million people a year are killed in auto accidents, including mor...d States. McEachran goes on to note that far more people die each year - about 90 worldwide - from an allergic reaction to eating peanuts. Despite several a...

Leprosy genome tells story of human migrations, French researchers report in Science

...mbs and digits. It's not especially contagious, as people once widely believed, but it can cause permanent disability and disfigurement and is still a source of social stigma. The disease is treatable with a combination of antibiotics. The bacterium has long puzzled researchers because its genome is filled...

Agilent Technologies introduces advanced zebrafish, mouse microarrays for stem cell and developmental biology research

...ed sharks for years. Worldwide, about one million people a year are killed in auto accidents, including mor...d States. McEachran goes on to note that far more people die each year - about 90 worldwide - from an allergic reaction to eating peanuts. Despite several a...

Life detection instrument passes key test on road to Mars

...the existence of liquid water was speculative, and people thought I was crazy to be working on an experiment to detect life on Mars," Skelley said. "I feel vindicated now, thanks to the work of NASA and others that shows there used to be running liquid water on the surface of Mars." "The connection between...

High fidelity keeps human DNA assembly line humming

...n the throne of ancient Rome. Alpha-amanitin kills people by stalling movement of the DNA conveyer belt. Finding evidence of quality control gives some perspective to the elegance of cell creation. Burton said it does not mean mistakes never occur. The assembly line analogy holds up there. The human system...

New miniaturised chip dramatically reduces time taken for DNA analysis

...asks, ranging from paternity tests and identifying people to detecting genetically modified food, identifying bacterial strains in foodborne illnesses and testing genetic toxicity in new drugs. Once mass production of the sensors begins, their cost and availability will be similar to that of pregnancy test ...

Major new UNC-based drinking water study suggests pregnancy fears may be overstated

...utilities, he said. "We are grateful to all these people since we could not have done this useful study without their active cooperation," Savitz said. A number of earlier investigations have suggested that long-term exposure to water purification byproducts might be related to bladder cancer, an issue no...

Understanding how bacteria communicate may help scientists prevent disease

...in size, the colony began to emit light. "Now many people realize that other important activities also depend upon a quorum, such as biofilm formation, releasing toxins, or becoming a virulent invader," said Rahul Kulkarni. While Kulkarni works with Vibrio cholerae as a model bacteria, quorum sensing appear...

Hopkins AIDS experts issue warning about global efforts to provide drug therapies

...University School of Medicine, reports that poorer people have been left out in the past due to insufficient... should learn from these mistakes as the number of people requiring therapy continues to grow. "Local health officials are faced with the unenviable and diff...

Scientists discover odd-ball rodent

...till discovering such amazing new animals, why are people worried about wildlife loss; but of course it is an indication of how little we know, and a window onto what we could be losing without ever knowing," said Dr. Timmins. ...

U of T researchers map role of Epstein-Barr virus in cancer

...es them to continuously grow, thereby predisposing people to certain types of cancer. "Epstein-Barr virus (EBV) is one of the most common human viruses in the world and is strongly linked to certain b-cell cancers like Burkitt's lymphoma as well as the epithelial cell cancer, nasopharyngeal carcinoma. EBNA...

Does vitamin C help prevent or treat the common cold? Maybe not, after all.

..., published in 1970, was a bestseller and led many people to believe in the value of the vitamin for cold pr...ide practice." In these prevention studies, those people who were given vitamin C and then caught a cold experienced a small reduction in the duration of the...

Brain Scan Study of Smokers Reveals Signature of Craving

... smoking-related pictures and pictures of everyday people and objects, such as a stapler or door knob. The r...pse, McClernon said. While experts advise that all people attempting to quit avoid situations or objects that remind them of smoking, the new results suggest ...

Cancer drug slows poxvirus in mice

...weakened vaccinia virus and is not recommended for people with compromised immunity, except in emergency sit...ne, enabling clinicians to use the vaccine even in people who otherwise could not take it. Given for a short period, Gleevec theoretically could hamper the ce...

Key to elephant conservation is 'in the sauce'

...uman populations in the Zambezi Valley and beyond, people and wildlife come into more frequent contact than before. Elephant Pepper products are a working example of how the survival of elephants can be reconciled with the livelihoods of farmers." Since its founding, the Elephant Pepper Development Trust h...

UN: World in big ecological mess

... increased by $100 billion. * The world's poorest people suffer most from ecosystem changes. The regions facing significant problems of degradation ?sub-Saharan Africa, Central Asia, some regions in Latin America, and parts of South and Southeast Asia ?also face the greatest challenges in achieving the MDG...

Stem cell treatment improves mobility after spinal cord injury

...aid. "This study suggests one approach to treating people who've just suffered spinal cord injury, although there is still much work to do before we can engage in human clinical tests." Acute spinal cord damage occurs during the first few weeks of the injury. In turn, the chronic period begins after a few ...

Studies reveal how plague disables immune system, and how to exploit the process to make a vaccine

...ia pestis, the bacterium that may have killed more people throughout history than any other infectious disea...h aggressive treatment. Since 2001, however, many people have worried that terrorists could exploit Y. pestis as a weapon, spreading it widely and rapidly as...

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