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Tag: "three" at biology news

Massive herds of animals found to still exist in Southern Sudan

...same flight height, they began an aerial survey of three of the four blocks surveyed earlier: Boma National...udan Country Program, did finally sight a group of three zebra moving with the white-eared kob migration in Boma National Park. The team also identified a ke...

Study shows lizard moms dress their children for success

...es by Sinervo and his collaborators have described three different behavioral strategies that correlate wit...eding enclosures, each holding one male lizard and three females. The numbers of orange- and yellow-throated females in each enclosure were experimentally va...

MU researchers to study the status of black bears in Missouri

...” The study is expected to continue for two to three years. “I am really excited to be working on this project because it will be a fantastic learning experience for me. MU really encourages undergraduate participation in research, and I have been fortunate to receive support from the College of Ar...

Nurtured chimps rake it in

...journal Animal Cognition. The scientists compared three groups of chimpanzees: one with a history of long-...de that the differences in performance between the three groups are directly attributable to the significant effect of level of enculturation. They add that...

Study finds mix of disease processes at work in brains of most people with dementia

...Parkinson’s disease (including two people with all three conditions). Infarcts alone caused another 12 percent of the cases. Also, 80 of the 141 volunteers who died had sufficient Alzheimer’s disease pathology in their brains to fulfill accepted neuropathologic criteria for Alzheimer’s disease, although in...

454 sequencing identifies HIV drug resistance at early stage

...e multi-center study conducted in the US comparing three different approaches to antiretroviral therapy. Th...ed the long-term clinical and virologic effects of three initial antiretroviral drug regimens for treatment naïve HIV-infected persons. The CPCRA Statistical...

Exploring the dark matter of the genome

...during subsequent sequencing efforts, DNA was made three times from the same strain of flies -- in 1990, 1998, and 1999 -- and that new patterns of transposons were found in each. "We can see intact transposons moving from one position to the next." Says Smith, "The heterochromatin is where transposon...

Marine phytoplankton changes form to protect itself from different predators

... The transformations took place over periods of three to six days, and the overall size difference could be dramatic. “When one of these cells changes to the biggest colony form, although it takes a while, it’s like changing from a mosquito to 76 blue whales or 3,000 bull elephants,” Hay explained. “T...

Warning from Asian bees

...atest incursion had lain undiscovered for at least three months, it is unknown how many more swarms might e...pairs after two years docked at a wharf in Cairns, three more swarms were found and the search widened. Already operating under marginal circumstances, ma...

Potent possibilities for parasite attack

A comparison of three parasite species that cause Leishmaniasis has iden...found to be differentially distributed between the three species. This exceptionally small variation in gene content has given new insights into those proces...

UI anthropologist, colleagues discover remains of earliest giant panda

...icrota, or "pygmy giant panda") was probably about three feet in length, compared to the modern giant panda...tes that the giant panda has evolved for more than three million years as a separate lineage apart from other bears and was adapted to eating bamboo very ear...

Reconstructing the biology of extinct species: A new approach

... of an important part of its organ of balance, the three semicircular canals of the inner ear on each side of the skull. The team's article on its research will be published on 26 June in the print edition of the Proceedings of the National Academy of Sciences and in the journal's online early edition dur...

Prey not hard-wired to fear predators

...d the behaviors of four species of prey animals in three different prey situations: Locations were native predators still exist. (Eastern Siberia, Boreal Canada and Alaska) Locations where the top predators no longer exist. (the polar islands of Greenland and Svalbard, Norway) Locat...

Surprising origin of cell's internal highways

... invasion. Microtubules are the largest of the three main types of filaments that make up the cytoskeleton -- a web of microscopic fibers inside the cell. They form when two globular proteins, alpha- and beta-tubulin, polymerize into long chains, which then assemble into long, hollow tubes. In orde...

Helping chlorine-eating bacteria clean up toxic waste

...that need to be cleaned up," she said. "Ithaca has three or four, and that's not atypical."...

Gene therapy study shows safety and statistically significant improvement in Parkinson's disease

...rimarily on the treated side of the body beginning three months after the gene therapy procedure and persis...ot realize benefit from drug therapy) beginning at three months following surgery and continuing through the end of the study. These improvements occurred pr...

Putting feelings into words produces therapeutic effects in the brain

...e. Another study, with the same participants and three of the same members of the research team, combines modern neuroscience with ancient Buddhist teachings to provide the first neural evidence for why “mindfulness” — the ability to live in the present moment, without distraction — seems to produce a va...

Understanding why C. difficile causes disease -- it's hungry

... that is necessary for the expression of the first three genes and the other codes for a protein called C that prevents R from acting. A mutation in the C protein gene, leaving R unchecked, is the cause of the hypervirulent strain. Sonenshein and his colleagues are currently working to identify a pro...

How plague-causing bacteria disarm host defense

...rding to Navarro. The genus Yersinia includes three species of bacteria that are pathogenic to humans:...ause what's commonly known as food poisoning. All three bacteria species find their way past the body's immune system through a sophisticated invasion syste...

Treating HIV in war zones -- Public health emergencies need rapid advice from WHO

...her Culbert and colleagues report their results of three years’ experience of providing HIV care, including antiretroviral therapy (ART), to a conflict-affected population in the Democratic Republic of the Congo (DRC). The reported treatment outcomes were similar to those in HIV projects in non-conflict se...

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