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Tag: "ecology" at medical news

Evolution of HIV from African Greek Monkeys

...heim, a doctoral candidate in the UA department of ecology and evolutionary biology. "This finding sheds ligh...uthor Michael Worobey, a UA assistant professor of ecology and evolutionary biology. The new work suggests African green monkeys' SIVs, or SIVagm, may have l...

Antarctic Icebergs Serve as 'hotspots' for Ocean Life

Antarctica's icebergs have a major impact on the ecology of the ocean around them, serving as 'hotspots' for ocean life, according to a new study by American researchers. The icebergs hold trapped terrestrial material, which they release far out at sea as they melt. This process produces a "halo effect" ...

Babys Poop is of Interest for Researchers

... chaos of the early months, each baby's intestinal ecology remained unique but harbored dynamic, complex societies of microbes similar to that found in adults' intestines. The gut of a baby is a rapidly evolving place. It has no inhabitants before birth. Within days of an infant's delivery, the microbial i...

Scientists Report New Take on Sexual Signaling

...or nearly 35 years. This study illustrates how the ecology of choosing a mate can shape sexual communication. "Conspicuous male sexual signals need not advertise the quality of the signaler as a mate," Christy suggests. "Some may simply allow choosy females to stay safe."...

Lizard Mothers Dress Their Progeny to Ensure Success in Later Life

...y predators,' Coauthor Barry Sinervo, professor of ecology and evolutionary biology, said. Lancaster used a combination of laboratory and field experiments to tease apart a complex set of interactions involving hormones, genetics, social interactions, behavioral strategies, and predators. According to L...

UCI Scientists Reconstruct Migration of Avian Flu Virus

...more efficiently," said Walter Fitch, professor of ecology and evolutionary biology in the School of Biological Sciences at UCI and co-author of the study. "With a road map of where the strain has migrated, you're more likely to isolate the strain that you should be using to make the vaccine." The study ap...

Mathematical Model Predicts Cholera Outbreaks

...ve years," said Pascual, an associate professor of ecology and evolutionary biology. "We also wanted to know whether incorporating ENSO into the model would improve the accuracy of our predictions." The challenge for the model was particularly interesting because the past five years were atypical, with fewer...

Treat Childhood Trauma by Building on Parental Memories of Loving Care

...nd the fewest resources. One has to understand the ecology of these families' lives in order to treat them effectively,” says Lieberman. Most of the parents are mothers, often living in violent relationships or fleeing domestic violence. While they are referred to the CTRP clinic because of the infant’s o...

Xylitol Fights Oral Bacteria

...tion studies what effects the substance has on the ecology of the oral cavity and its role in preventing tooth decay (caries). In a series of studies on children and adolescents, samples of saliva and plaque were examined. Among other findings, it was determined that a daily intake of 3.4 grams of xylitol...

Micro-world of Prehistoric Bacteria Found in Amber

...scientists a unique insight into the evolution and ecology of ancient micro-organisms. A key discovery was that many microbes appear to have changed very little in the last 200 million years. One amoeba found in the amber, Centropyxis hirsuta, is identical to a species that survives today. Amber is solid...

Evolution of Plant Life Cycle

...ift occurred," said Qiu, an assistant professor of ecology and evolutionary biology. "If you look at the so-called 'lower' plants such as algae, liverworts and mosses, they spend most of their life cycle as gametophytes. But if you look at plants like ferns, pines and flowering plants, they spend most of the...

Waxing And Waning Of Dengue Epidemics Attributed To Cross-Immunity

...dy co-author Pejman Rohani, associate professor of ecology and UGA Biomedical and Health Sciences Institute researcher. "It's discussed in the scientific literature," Wearing added, "but no one ever considers it an important factor in generating the epidemiological cycles." Cross-immunity, which lasts fro...

Ecological Changes affects human health, food security

...reasing, the global climate is changing and global ecology is being altered. All are thought to be related to the emergence of new diseases or re-emergence of old diseases, he said. ‘One of the new paradigms for looking at this kind of thing is that we try to understand the disease as not just something th...

Satellite Imagery to monitor the Social Impact Of Geographical Changes

...reasing, the global climate is changing and global ecology is being altered. All are thought to be related to the emergence of new diseases or re-emergence of old diseases, he said. . ."One of the new paradigms for looking at this kind of thing is that we try to understand the disease as not just something t...

Tasmanian Ecology Affected By Devil Facial Tumor Disease

...l population in the Mt William National Park. The ecology of the area has changed and one can see carcasses lying around the area. Wedge-tailed eagles are feeding on the carcasses and this species is also being threatened by the disease. The animals are now vulnerable to being killed or replaced by the nasc...

Growth Of Maple Trees Affected By Acid Rain

... activity, said Timothy Fahey, professor of forest ecology at Cornell and co-author of the study, which is published in the May issue of Ecology. Juice wrote the main part of the paper as part of her senior thesis. ‘The research addresses how a long-term, human-caused change in the environment is affecting...

Fluorescent markers to distinguish Trypanosoma brucei strains causing Sleeping Sickness

...mportant by opening new avenues of research on the ecology and evolution of mixed trypanosome infections and their implications for disease dynamics and control. The authors assert that they will be of specific interest to researches addressing ecological, evolutionary and epidemiological questions using try...

WHO says damage to eco systems are affecting human health

... way. The report emphasizes that the link between ecology and human health is of a complex nature and hence ... the first of a series that will assess the global ecology in its present state and its long term benefit on human health is being compiled with the help of 13...

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(Date:9/15/2014)... life it,s not what comes to mind when you ... of Doncaster,s 310-million-year-old past, including a fossilised shark egg case, ... of the fossilised plants and creatures may even be new ... horseshoe crabs and some previously unrecorded seed pods are amongst ... formed within the coal and shale deposits in what is ...
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