Mathematics reveals genetic pattern of tumor growth
...ate to speed up malignant transformation, and then stay that way by turning off the mutation rate. The study appeared this week in the Royal Society journal Interface. Mathematical theory can help us understand cancer, said Komarova, associate professor of mathematics at UCI. If we know what cancer is...Researchers track snakes to study populations, behavior
...of miles a week, the females, after giving birth, stay with newborns until the young shed about seven to 10 days later. The females generally stay closer to home, but the males are more active and consequently have longer home ranges. Most adult...Gannet population under threat from global warming
... food for their young. Usually, one parent will stay with a chick while the other goes out hunting, says Dr Hamer. But if left for long enough, it will eventually leave the nest itself to find food. This leaves the chick alone and vulnerable to attack - mainly from other gannets seeking prime nesting s...Fruit bats are not 'blind as a bat'
...ion. On moonless nights, fruit bats cannot fly and stay hungry. Visual navigation at twilight and sometimes also during the daytime did not fit the older view that fruit bats only possess rods, the photoreceptors for night vision. This prompted Brigitte Mueller and Leo Peichl of the Max Planck Institute f...The fisherman is a predator like any other
...hen climatic conditions force shoals to gather and stay very close to the coast. The research team indeed showed that the spatial behaviour of fishermen was a good indicator of the spatial distribution of fish. Thus the grouping together of fishing vessels near the coast can be an alarm signal showing hig...Women up to age 30 at risk for bone loss, study finds
... more women exercise, the more they need to eat to stay healthy. Thousands of women severely restrict their diet and practice rigorous exercise programs for fitness and weight control, said Anne Loucks, professor of biological sciences at Ohio University and lead author on the new study. Because some d...Swabs not reliable for detecting lead dust in homes
...d conservatively that is, every swab that did not stay purely yellow was counted as a positive lead result -- the LeadCheck Swabs' probability of correctly identifying dust lead levels above the federal standard for floors was only 72 percent, the study concluded. LeadCheck Swabs were originally develo...For many insects, winter survival is in the genes
... insects enter when temperatures drop. Insects can stay in this state of arrested development for several months. "We certainly didn't expect to find that many proteins active during diapause," Denlinger said. The researchers report their findings in the current online early edition of the Proceedings o...Research center unites biomedical competitors to fund medical technology development
...membership in the center, which will allow them to stay up to speed on the emerging technologies they will need to produce future devices. "By collaborating with academia to conduct unbiased research," explains center director Balakrishna Haridas, PhD, "industry stakeholders can share the cost of develo...Tropical birds have slow pace of life compared to northern species, study finds
...hich is reflected in how much energy they spend to stay alive," said Joseph Williams, co-author of the study and associate professor of evolution, ecology and organismal biology at Ohio State University. "This is the first time this has been confirmed in birds." The findings of a slower pace of life i...Computer model maps efficient inoculation of hospital staff in pandemic outbreak
...ost effective method to ensure that our caregivers stay healthy and patients continue to receive optimal care," says Dr. Nathaniel Hupert, senior author of the study. He is assistant attending physician at NewYork-Presbyterian/Weill Cornell and assistant professor of public health and medicine at Weill Co...Clock gene plays role in weight gain, study finds
...te, but it never happened. These mice continued to stay slim while the normal mice nearly doubled in weight and developed fatty livers." Green said it is possible that, "after a great deal of further research, a drug possibly could be developed that would inhibit Nocturnin and reduce the risk of developi...HIV survival improves if patients stay in care
...th problems and financial issues. Now they have to stay in care the rest of their lives, which may be 20, ..."The next step is to figure out how to get them to stay in care," said Giordano. He plans to look for ways to intervene in this process. He is now studying ...Coarse particulate matter in air may harm hearts of asthma sufferers, UNC study finds
...eed to pay attention to air pollution warnings and stay inside when the air pollution is bad. This is particularly the case for people with asthma." The study, published in the May 2007 issue of Environmental Health Perspectives, was a collaboration by researchers from the School of Public Health, the S...DNA repair proteins monitored at double-strand break
...hile the ATM molecules on either side of the break stay in place. The researchers suggested that ATM had been displaced or moved so that the repair proteins could gain access to the damaged DNA site. The findings also suggested that before ATM can move to the double-strand break, it must first become a...Survival of the rarest: Fruit flies shed light on the evolution of behavior
... because you're not competing with the sitters who stay close to the initial resource. On the other hand, if you're a sitter and you're mostly with rovers, the rovers are going to move out and you'll be left on the patch to feed without competition." More generally, Fitzpatrick says these results may he...Scientists report new take on sexual signaling
...suggests. "Some may simply allow choosy females to stay safe."...Study to probe how healthy younger adults make use of genetic tests
...e tests might be used to inspire healthy people to stay healthy." In addition to McBride and Lawrence Brody, Ph.D., a senior investigator in the NHGRI Genome Technology Branch, the team includes researchers from the Henry Ford Health System in Detroit and the Group Health Cooperative in Seattle. Epidem...Study confirms the risk of exposure to secondhand tobacco smoke outdoors
...d. "But likewise, when you go a little distance or stay upwind, the exposure goes way down. If there's just one smoker, and you can sit six feet away, you would have little problem. At the same time, if there are a lot of smokers nearby, you may be exposed to very high levels of secondhand smoke. So this ......kly, Blackwell says the best approach is to try to stay several steps ahead of the bugs. "No one agent is going to solve this problem," she says. "We need to continue to develop new molecules all the time." To maximize their chances of finding new compounds with antibacterial activity, Blackwell's gro...