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Tag: "raising" at biology news

Marburg virus disease in Angola - update

...EF is carrying out social mobilization activities, raising awareness of the disease in the community and also providing additional logistic support and equipment. Two travelers returning to Portugal from Angola were investigated for possible Marburg virus infection and laboratory results were negative in te...

Bird Brains Show How Trial and Error May Contribute to Learning

...ed the same note in different directions, one area raising the pitch of a certain note and another area lowering its frequency. The moment-by-moment influence of this brain region on song is a new observation, Brainard said. Next, the researchers analyzed the relationship between song and the natural neural...

South America's vast pantanal wetland may become next everglades, UNU experts warn

...dered waterfowl and fish migration." Local cattle raising in the Pantanal has declined due to competition from highland cattle breeding where pastures may be used all year round. The analysis says "new landowners from outside the Pantanal frequently apply non-sustainable practices." "Prior to the 1970s, t...

Biologists discover why 10% of Europeans are safe from HIV

... only recently and could not have played a role in raising the frequency of the mutation to the high levels f...he plagues of the Middle Ages played a big part in raising the frequency of the mutation. These plagues were also confined to Europe, persisted for more than 3...

First North American Encapsulated Islet Transplant without Long-term Immune Suppression into a Patient with Type 1 Diabetes

... only recently and could not have played a role in raising the frequency of the mutation to the high levels f...he plagues of the Middle Ages played a big part in raising the frequency of the mutation. These plagues were also confined to Europe, persisted for more than 3...

New project aims to make large-scale lobster farms feasible

...cted--enough for testing commercial feasibility of raising the lobsters to market size. They have now receive...ae, to study open water and land-based methods for raising the larvae to adulthood, and to begin developing possible feeds for the lobster. Small-scale lobster...

Scientists discover that three overlapping signals in embryo help get the backbone right

...ed to have relatively little effect on the embryo, raising doubts about the natural role of these proteins in early development. Now, using very young embryos of the laboratory frog Xenopus tropicalis, Khokha, Harland and their UC Berkeley colleagues were able to block three of the five factors at once, and...

Supercomputers to focus brains on AIDS dilemma

...istance to many of these formerly effective drugs, raising the specter of reduced life-spans and wider spread of HIV. "Fortunately, in this ongoing battle, computational and structural biology may once again be on the verge of contributing a new class of drugs for the treatment of HIV/AIDS," said J. Andrew ...

'EuroVacc 02' HIV Vaccine Trial Begins

...ine development, coordinating European efforts and raising funds for fundamental and clinical research so as to accelerate the development of a safe and effective vaccine against HIV infection. The Foundation also promotes educational and training programmes relevant to vaccine development worldwide. ### ...

Pair of cancer genes found to drive both cell migration and division

...required for a dividing cell's halves to separate, raising the possibility that interfering with them could be helpful in stopping the uncontrolled cell division found in cancers. Mutations in the genes, called PTEN and PI3K, already had been found in over half of all human cancers. "In cancer, you sometime...

Unlike other mammals, newborn dolphins and orcas stay active 24/7 during first months of development

...nce that sleep isn't necessary for development and raising the question of whether humans and other mammals have untapped physiological potential for coping without sleep." Researchers observed two adult female killer whales and their calves at Shamu Stadium at SeaWorld San Diego and four dolphins and their...

Antiretroviral Therapy May Prevent HIV Transmission From Breastfeeding Mothers To Infants

... DNA in breast milk more slowly than HIV RNA, thus raising the risk that, when treatment duration is short, HIV DNA-associated transmission may occur despite the use of therapy. Dr. Shapiro and colleagues concluded, "As drug costs decrease, maternal antiretroviral therapy may be a realistic strategy to maxi...

Key to elephant conservation is 'in the sauce'

...resolving human-elephant conflicts in Africa while raising money for farmers and conservation. Supported by the Wildlife Conservation Society (WCS) and other groups, the Elephant Pepper Development Trust (EPDT) has not only promoted the use of chilli peppers as a means of keeping elephants, buffalo, and oth...

Scientists turn tobacco against cancer

... faster method of producing anticancer antibodies, raising hopes that the technology can one day be used in humans. Scientists, led by Hilary Koprowski, M.D., professor of microbiology and immunology and director of the Biotechnology Foundation Laboratories and the Center for Neurovirology at Jefferson Medi...

Why are coyotes getting more aggressive?

...likely to be more frequent because the animals are raising their litters and require more food. To minimize contact, the DEC recommends: # Never feed or attempt to get close to a coyote. # Keep pets under control and do not to leave them out at night. Coyotes may kill or injure a pet, especially small dogs ...

Millennium Ecosystem Assessment: Many of 2 billion dryland dwellers at risk as land degrades

...beralization, macroeconomic reforms and a focus on raising production for exports can lead to desertification," the report says. "Such distortions to international food markets drive down prices and have often seriously undermined the livelihoods of food producers in many poorer countries." "These practices...

Nose odors and mouth odors: The brain distinguishes

...e of delivery was greatest for the chocolate odor, raising the possibility that odorant administration interacts with experience to engage unique brain regions and that olfactory referral induced by retronasal stimulation creates a differential reward context for food but not for non-food odors by signaling ...

AACR Favors 'full spectrum of stem cell research biology'

...reast, prostate, brain and other malignant tumors, raising the prospect of eliminating tumor recurrence following initial treatment and developing cancer therapies that are truly curative. # Embryonic stem cells' ability spontaneously to form tumors should not hinder the progress of stem cell research, sinc...

Life-extending protein keeps blood sugar in check

...edicine. "The mice respond fast to high glucose by raising insulin levels, clearing the blood of the circulating sugar." "Under normal feeding conditions, when glucose levels are lower, the mice with elevated Sirt1 appear normal," Imai added. "This is good news, suggesting that therapies designed to manipul...

Sea Ice May Be on Increase in the Antarctic

...edicine. "The mice respond fast to high glucose by raising insulin levels, clearing the blood of the circulating sugar." "Under normal feeding conditions, when glucose levels are lower, the mice with elevated Sirt1 appear normal," Imai added. "This is good news, suggesting that therapies designed to manipul...

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