Bitter or sweet? The same taste bud can tell the difference
...e tongues of rats. (The back of the tongue has the highest concentration of taste buds.) They isolated single cells from individual taste buds. They attached very small, fine electrodes to these single cells in Petri dishes in order to record the electrical activity of each cell. They also applied NPY to the...Fundamental discovery -- Bone fracture
...molecular level. Included with the article are the highest resolution images of bone ever published, which reveal the location of the adhesive or "glue" that holds together mineralized collagen fibrils (protein fibers) of bone. The glue appears to contain "springs" that uncoil when the bone is stressed, hel...Measuring hidden parasites in falciparum malaria
...pitalized without signs of severe disease, and was highest in patients who died. This finding fits with current thinking that sequestration of red cells containing the mature forms of the parasite is the most important pathological process in falciparum malaria. Approximately 40% of the world's population,...Fluorescing lab worms signal longer life spans
...orescent protein. The brightest worms also had the highest tolerance to extended exposure to heat. "The ability to predict differences in longevity of this magnitude have never before been reported, especially given that the predictions are made on the first day of adult life," Johnson said. Obtained from ...New method shows it is possible to grow bone for grafts within a patient's body
...pace with new bone. The approach lived up to their highest expectations. Working with mature rabbits, a species with bones that are very similar to those of humans, the researchers were delighted to find that this zone, which they have dubbed the "in vivo bioreactor," filled healthy bone in about six weeks. ...'Bionic' arm gives amputee sense of touch
...s in its field. Launched in 2000, it is the second highest ranked bioinformatics journal, and already has an ...ct factor from 2.93 to 2.98 and remains the second highest ranking breast cancer journal. Arthritis Research & Therapy maintains its rank of second in the ...Program finds lost genes in nematode genome
...me can be predicted exactly. The 60 percent is the highest accuracy published for a multicellular organism." C. elegans is a biological model for animal development and genetics, and is the first animal genome to be sequenced, back in 1998. Nematode researchers rely on a genome annotation database called Wo...Open Access journals get impressive impact factors
...s in its field. Launched in 2000, it is the second highest ranked bioinformatics journal, and already has an ...ct factor from 2.93 to 2.98 and remains the second highest ranking breast cancer journal. Arthritis Research & Therapy maintains its rank of second in the ...$5.1 billion would save 6 million children
...alth should be the priority for countries with the highest rates of child death and for international donors. The biggest challenges are increasing the delivery of health services and the lack of readily available funds," said Robert E. Black, MD, MPH, corresponding author of the study and chair of the Bloom...Research shows smoking adds a decade to reproductive age of IVF patients
...all live birth rate per cycle was 15.2%[2]. It was highest at 17.8% in couples with unexplained subfertility. Women with tubal problems had a 14.6% rate and the lowest success rate was for those with male subfertility (13.6%). More than 40% of the women were smokers at the time of undergoing their first att......iversity. Eight of the hotspots are considered the highest priorities for the survival of the most endangered primates: Indo-Burma, Madagascar and the Indian Ocean Islands, Sundaland, Eastern Afromontane, Coastal Forests of Eastern Africa, Guinean Forests of West Africa, the Atlantic Forest of Brazil, and We...Breakthrough isolating embryo-quality stem cells from blood
...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 where the optical stretcher could come to the rescue, picking those cells one by one according to the strength of their cytoskeletons. Watts ...Scientists reveal the shape of a protein that helps retroviruses break into cells
...nto the Triassic period. "Oxygen dropped from its highest level to its lowest level ever in only 20 million years, which is quite rapid, and animals that once were able to cross mountain passes quite easily suddenly had their movements severely restricted," Huey said. He calculated that when the oxygen lev...Low oxygen likely made Great Dying worse, greatly delayed recovery
...nto the Triassic period. "Oxygen dropped from its highest level to its lowest level ever in only 20 million years, which is quite rapid, and animals that once were able to cross mountain passes quite easily suddenly had their movements severely restricted," Huey said. He calculated that when the oxygen lev......ng of asbestos in the mid-1900s, Australia has the highest incidence of mesothelioma in the world. Rates of the disease have tripled in the past 20 years and are expected to peak about 2010. Diagnosis of this type of cancer is difficult, and patients are often not identified until the condition is quite adva...Measles Deaths Worldwide Drop By Nearly 40% Over Five Years
... reduction occurred in Africa, the region with the highest burden of the disease, where estimated measles deaths decreased by 46%. "Progress of this magnitude is remarkable. I congratulate countries for their successful efforts in protecting children from measles," said Dr LEE Jong-wook, WHO Director-Genera...Oceans more vulnerable to agricultural runoff than previously thought, study finds
...nces. "The Gulf of California contains some of the highest nutrient concentrations in the oceans and sustains highly elevated rates of biological productivity." In the gulf, wind-driven upwellings regularly bring nitrogen and other nutrients from the seafloor to the surface, stimulating the rapid reproducti......2 mutation and explains why it occurs today at its highest frequency in Scandinavia and Russia." ...Biologists discover why 10% of Europeans are safe from HIV
...2 mutation and explains why it occurs today at its highest frequency in Scandinavia and Russia." ...Technique may allow cancer patients to freeze eggs, preserving fertility before starting treatment
...preservation could be insurance for those women at highest risk of fertility problems after cancer treatment. When a woman wishes to become pregnant, the vitrified eggs would be warmed and then fertilized with male sperm. The fertilized eggs would then be transferred to the uterus in the same procedure that...