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Tag: "impact" at biology news

Art and music for the birds

... out if rockin’ robins do exist. “Humans have an impact on other animals around us. Catbirds and mockingbi...st with the piece was to get us to think about the impact we have on the other species around us,” she adds. The bird listening stations are part of the exh...

New study reports hotel guests at risk from carbon monoxide poisoning

...hers from LDS Hospital report on the incidence and impact of CO poisoning of hotel guests. Using data collected at the LDS Hospital Hyperbaric Medicine Department and searches of legal databases and online news databanks, the researchers found 68 incidents of CO poisoning occurring at hotels, motels, and r...

Hormone helps mice 'hibernate,' survive starvation

...mic and quickly die. In analyzing the molecular impact of PPAR-alpha in mice, the researchers found that ...pathway may lead to a new class of drugs that will impact many human conditions,” he said. ...

Dirty snow may warm Arctic as much as greenhouse gases

...ical Research. Dirty snow has had a significant impact on climate warming since the Industrial Revolution. In the past 200 years, the Earth has warmed about .8 degree Celsius. Zender, graduate student Mark Flanner, and their colleagues calculated that dirty snow caused the Earth’s temperature to rise .1 ...

Caribbean frogs started with a single, ancient voyage on a raft from South America

... across the Caribbean Sea after the giant asteroid impact near Cuba 65-million years ago, which is widely be...roid collision rather than earlier. "The asteroid impact generated giant waves that devastated the islands, probably eliminating any existing fauna at that t...

In mice, drug protects against diabetes and atherosclerosis

... percent compared to control mice. To study the impact of the aP2 inhibitor on diabetes, the scientists used a genetic animal model of obesity and insulin resistance, as well as normal mice fed a diabetes-inducing diet. In both animal models, the mice that received the inhibitor drug were found to hav...

New study finds genetically engineered crops could play a role in sustainable agriculture

... study analyzes, for the first time, environmental impact data from field experiments all over the world, involving corn and cotton plants with a Bt gene inserted for its insecticidal properties. The research was conducted by scientists at the National Center for Ecological Analysis and Synthesis (NCEAS) a...

Undergraduate research shows leaderless honeybee organizing

...se it shows that though the queen has a tremendous impact on the colony, she’s not the decision maker,” Schnieder said. “The colony is not a dominance hierarchy and, from a human perspective, this is unusual. Our human society is very dominance hierarchy structured --we have centralized systems of control....

Massive herds of animals found to still exist in Southern Sudan

...650 km) to create an unprecedented record of human impact on the land. A survey of Southern Sudan was part o...the wildlife and without appropriate environmental impact assessments and mitigation plans in place. Resettlement in areas depopulated during the war is putti...

Research finds that circadian rhythms dominate all life functions

...ikely reason why researchers previously missed the impact of circadian rhythm on all genes. Depending upon environmental factors, groups of genes can function in a synchronized manner, shifting in time against each other and working in what resembles a domino effect. However, very few genes are found t...

The mouflons of the Kerguelen archipelago

...Lyon I in France, went to the Islands to study the impact of introduced cats on the bird populations. Notici...versity. While scientists ask themselves about our impact on the genetic diversity of populations, this study by Denis Réale and his co-workers sheds new ligh...

Male circumcision overstated as prevention tool against AIDS

...udy has a number of important findings that should impact policy decisions in the future. First, male circumcision, which in previous studies had been found to be important in controlling AIDS, becomes statistically irrelevant once the study controls for the number of prostitutes in a country. The study fin...

Experts predict Tamiflu could halve the pandemic influenza death toll versus no intervention

...effective and cost-saving measure for reducing the impact of pandemic influenza.1 This research is supported by an earlier analysis that indicates that a prevention strategy using Tamiflu may help contain a pandemic outbreak.3 The study also predicts that if the stockpile is increased so that there is a...

Antarctic icebergs -- Hotspots of ocean life

...large as a dozen miles across – are having a major impact on the ecology of the ocean around them, serving as “hotspots” for ocean life, with thriving communities of seabirds above and a web of phytoplankton, krill, and fish below. The icebergs hold trapped terrestrial material, which they release far out...

First confirmed common genetic risk factors for breast cancer

...genetic risk factors, these genes likely have more impact than the previously identified risk genes on disease prevalence across a large population of women. However, Dr. Liu pointed out, breast cancer susceptibility is conferred by a large number of genetic loci, each with a small effect on breast cancer r...

New designer lipid-like peptide with lipid nanostructures for drug delivery systems

... They detailed their findings in the report on the impact of integrating short surfactant-like designer peptides in lipidic nanostructures. Anan Yaghmur, Michael Rappolt, Peter Laggner and Shuguang Zhang reported the formations of dynamic nanostructures of lipid-like peptides that are like two-headed Jan...

Arctic ice retreating more quickly than computer models project

...s losing ice at an increasingly rapid pace and the impact of greenhouse gases is growing," says NCAR scienti...t the computer models may fail to capture the full impact of increased carbon dioxide and other greenhouse gases in the atmosphere. Whereas the models indicat...

Early exposure to indoor fungus molecules may protect infants against future allergies

...evels of indoor fungal glucans can have a positive impact on the human immune system. "Fungi are a diverse group of microorganisms, so species differ in their glucan content and allergenic proteins. Some fungi also contain mycotoxins that can contribute to disease," adds Tiina Reponen, PhD, professor of...

A cherry on top: Tart cherries may alter heart/diabetes factors

...et known if cherry-rich diets might have a similar impact in humans, but a U-M team will soon launch a smal...s. They will look at whether tart cherries have an impact on the storage of fat in fat tissue and in muscle, and on the production of specific blood lipids li...

Does amateur boxing cause brain damage?

... amateur boxers who had received more than 15 high impact hits to the head compared with boxers who reported...ts. The boxers who had received more than 15 high impact hits to the head had seven to eight times higher NFL-levels post fight compared to their levels foll...

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