Researchers witness natural selection at work in dramatic comeback of male butterflies
...a change in the bacteria as an explanation for the resurgence of the males in the butterfly populations studied. ...West African Ocean sediment core links monsoons to global climate evolution
...ermal Evolution. He noted that there is a dramatic resurgence of the West African monsoon at the end of each glacial cycle. The studys importance to the modern climate, said Lea, lies in its demonstration of the sensitivity of the monsoon region to global climate conditions. With hundreds of millions of peop......gn of weakness, such as a secondary infection. Its resurgence over the last 20 years has been closely associated with the AIDS epidemic, which destroys the human immune system and has allowed TB to get a grip once again." London is the TB capital of Europe, although most large cities here and in North America...Scientists find genes involved in the battle between Hessian flies and wheat
...ensive yield losses in southeastern Missouri and a resurgence occurred in Oklahoma in 2006. Most recently, a Hessian fly infestation was identified near Lafayette, Ind., where the insect hadn't been reported for more than a decade....10 million people a year are affected by zoonotic viruses spread by non-human hosts
... viruses. "For instance there has been a global resurgence in the Dengue virus which is transmitted between monkeys in the jungle by the mosquitoes that feed on them. The cycle can move into nearby urban areas where it can then be transmitted from person to person by mosquitoes" says Dr Heeney. "This has ...Resistance and genetic sensitivity to sleeping sickness
...nsect, the glossinid tse-tse fly. There has been a resurgence of this disease over the past 20 years in Sub-Saharan Africa. The World Health Organization (WHO) in a 1998 report estimated the number of people infected to be about 300 000. Awareness of the seriousness of the situation led to an increase in screen...ACS News Service Weekly PressPac -- Oct. 4, 2006
...rnal Biotechnology Progress. The researchers note resurgence in medical use of larval biotherapy -- intentionally introducing blowfly maggots into non-healing wounds to clean away dead tissue. Medical use of the technique led to observations suggesting that maggots' excretions and secretions (ESs) also may en...Amphibian declines, disease ecology, biodiversity are highlighted at conference
.... Malaria, for example, has recently undergone a resurgence in the Amazon Basin, where deforestation has dramatically changed the landscape.Human activities, especially agriculture and development, have altered the nitrogen cycle in soil, air, and water. NSF-supported scientists participating in the symposi...Deadly cone snails liven up Philadelphia Shell Show, Oct. 7-8
...ver gone out of style, they are enjoying a popular resurgence as nautical themes are turning up in home furnishings, dcor, jewelry, crafts and artworks. Shell dealers from Brazil, South Africa and the U.S. will display their collections and offer a variety of items for sale. There will be free shells for child...Sleep strengthens memories and makes them resistant to interfering information
...f memory itself. In recent years, there has been a resurgence of experiments exploring this relationship. Although there is near-consensus that sleep promotes learning of certain types of perceptual memories (for example, learning to tap numeric sequences on a keyboard), there is ongoing debate about whether sl...Measles Mumps Rubella and mercury-based immunizations cleared as causes of autism
...sles," says Dr. Fombonne. "This action resulted in resurgence of the measles, which caused the deaths of several young children in Europe." Dr. Fombonne's study indicates that autism rates continued to increase even with reductions in the use of MMR vaccinations. "We hopes this study will finally put to rest th...Warming trend may contribute to malaria's rise
Could global warming be contributing to the resurgence of malaria in the East African Highlands? A widely...of all the factors that may be contributing to the resurgence of malaria."...Genetically modified natural killer immune cells attack, kill leukemia cells
...fter genetic modification if the patient suffers a resurgence of the leukemia. "We look forward to seeing this strategy being added to the management of children with ALL," said Chihaya Imai, M.D., the postdoctoral student who did most of the work on this project....International physiologists mark post-genomic resurgence March 31-April 5 in San Diego
...ent that emphasizes the continued strength and the resurgence of the physiological sciences in this post-genomic era. "A great breadth of research will be presented at this meeting represented by the Scientific Commissions of the IUPS including Locomotion, Circulation-Respiration, Endocrine Reproduction-Devel...Sardines may prevent toxic gas eruptions off the California and African coasts
...Science. "It is at least encouraging that a minor resurgence of sardine abundance coincided with a noticeable temporary hiatus in eruption frequency off Namibia in 2002." Bakun and Weeks also warn that the areas around Cape Mendocino, California, and Cape Sim, Morocco, may be dangerously close to the "tipping...Studies in Royal Society journals include stress in birds and depletion of medieval fish stocks
... of partially immune birds drives the early spring resurgence of the disease. Thus by looking at mathematical what-if scenarios, we have found some likely causes of these seasonal and latitudinal variations in disease dynamics. Contact: Dr Parviez Hosseini, Lab of Ornithology, Cornell University, 159, Sapsucker...