Tropical insects 'go the distance' to inform rainforest conservation
... insects in tropical forests are picky eaters that stay close to home dining only on locale-specific vegetation is being challenged by new research findings that suggest these insects feast on a broader menu of foliage and can be consistently found across hundreds of miles of tropical forestland. Th...Study: Sticking to the sand might not be such good, clean fun for beachgoers
Just when you thought it was safer to stay out of the water. Microbes that result in beach closures and health advisories when detected at unsafe levels in the ocean also have been detected in the sand, according to a recent study by a team of Stanford scientists. Published in the July 1 ...UF, French scientists seek test to detect gene doping in athletes
...s and with the 2008 Olympics looming the need to stay ahead of the game has never been more evident. Thats why the Montreal-based World Anti-Doping Agency, or WADA, charged with monitoring the conduct of athletes, is working with investigators around the globe to develop a test that would bust competito...Census of Marine Life historians detail collapse of bluefin tuna population off northern Europe
...allower, more oscillatory diving and a tendency to stay near the surface. Lingering in the region, the courting and breeding fish also made more sinuous tracks. As well, says lead author Steve Teo: We found that bluefin get warm when they undergo courtship and our physiological measurements indicate ...Parents seeking sex abandon 1 in 3 offspring
...e tit your perfect partner is one that is happy to stay home and look after the kids, whilst you go off an...ir reproductive success over those more willing to stay home. Interestingly, however, the sexes play the same strategy; whatever is good for the male is har...Using stem cells to help heart attack victims
...event them being washed away so that they actually stay in the heart and both survive and function. It will take many years to overcome these challenges and put stem cell-derived cardiomyocytes into medical usage." The researchers will also be monitoring how the cells respond to different pharmacologi...System to analyze beating heart stem cells could lead to heart attack treatments
...event them being washed away so that they actually stay in the heart and both survive and function. It will take many years to overcome these challenges and put stem cell-derived cardiomyocytes into medical usage. The researchers will also be monitoring how the cells respond to different pharmacological...Study points to new way to predict death risk from torn aorta
...of blood vessel, but the layers of the vessel wall stay together. The patients were mostly male and in their 60s. Nearly all the patients were diagnosed within a day of arrival at the hospital, using cross-sectional imaging techniques such as CT, MRI or transesophageal echocardiogram (TEE). The patient...UCLA study links air pollution to clogged arteries
Got high cholesterol? You might want to stay away from air pollution. Thats the message of a new UCLA study linking diesel exhaust to atherosclerosis, or hardening of the arteries, which significantly increases ones risk for heart attack and stroke. Published in the July 26 edition of the on...Breast cancer and hormone therapy -- A looking-glass mirror?
...d for the lay public. Health-care providers should stay with the first-grade information coming from the WHI study when discussing this issue with their patients: breast-wise, in women younger than 60, HT (particularly estrogen-alone) is safe. Long-term use may be associated with a small increased risk, i...Adult survivors of childhood leukemia exercise less, worsening high risk for obesity and illness
... beginning of a young survivors lifelong battle to stay healthy. While survivors of childhood acute lymphoblastic leukemia (ALL) face an increased risk of developing serious health complications as a result of their cancer treatment, for a variety of reasons many avoid simple exercise and healthy lifestyl...Chromosome glue repairs damaged DNA
...copied chromosomes, the sister chromatids, have to stay together until the right moment of separation. If the chromatids come apart too early, there is a risk of the daughter cells getting the wrong number of chromosomes, something that is often observed in tumour cells. Dr Camilla Sjgren and her resea...Researchers witness natural selection at work in dramatic comeback of male butterflies
... "In essence, organisms must evolve or change to stay in the same place, whether it's a predator-prey relationship, or a parasite-host interaction," said Charlat. "In the case of H. bolina, we're witnessing an evolutionary arms race between the parasite and the host. This strengthens the view that paras...Soil particles found to boost prion's capacity to infect
...rotein in body fluids. "These disease agents can stay out there for years and stay infectious," Aiken explains. And herbivores such as deer and sheep, which are susceptible to prion...Waging war on the deadliest superbug
.... 1 in 12 of us will pick up an infection during a stay in hospital. Theres a 1 in 77 chance of contracting MRSA and a 1 in 50 chance of developing C. diff. CHAI brings together some of the countrys leading experts in the field of healthcare associated infections. They are about to apply for part of a ...Chronically sleep deprived? You can't make up for lost sleep
...t to counter its homeostatic need for sleep and to stay awake to avoid danger. Turek and his team propose that this change in the sleep regulatory system is reflective of an allostatic response. In the short term, allostatic responses are adaptive, but when sustained on a chronic basis, such as in thei...The fisherman is a predator like any other
...when climatic conditions force shoals togather and stay very close to the coast. The research team indeed showed that thespatial behaviour of fi shermen was a goodindicator of the spatial distribution of fi sh. Thus the grouping together of fi shing vesselsnear the coast can be an alarm signalshowing high...Critical protein prevents DNA damage from persisting through generations
...d have to divide, mature, maintain the breaks, and stay alive with broken chromosomes." This, in fact, was precisely what they found. The ATM protein appears to have two roles in a B cell: It helps repair the DNA double-strand breaks, and it activates the cell-cycle checkpoint that prevents genetical...Researchers use adult stem cells to create soft tissue
...ates additional wounds. Grafted cells also fail to stay alive, causing implants to shrink up to 70 percent and lose their shape and volume. Attempts have also been made to use fat cells left over after liposuction, but those cells also have a limited lifespan. The Columbia team of biologists, biomedical...DOE Joint Genome Institute secures long-term lease on production genomics facility
...feet. We are delighted to be able to extend our stay here in Walnut Creek, said DOE JGI Director Eddy Rubin. We have grown considerably over the last ten years as we have transitioned from determining the DNA code for the human genome to a national user facility for the DNA sequencing of many differen...