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Researchers find 24 species believed new to science in Suriname rainforest

...es had contaminated a creek where it was last seen more than 50 years ago. Overall, the survey recorded...of the total carbon emissions into the atmosphere, more than all the world’s cars and trucks, making conservation of the Amazon rainforest a crucial strateg...

Cigarette smoke alters DNA in sperm, genetic damage could pass to offspring

... duration of exposure, so the longer you smoke the more mutations accumulate and the more likely a potential effect may arise in the offspring,” Yauk said. According to Yauk, previous st...

Old memory traces in brain may trigger chronic pain

...ed the animals’ emotional suffering decreased much more than their physical pain. While the physical pain...a person has been suffering from chronic pain, the more activity in the prefrontal cortex. He was able to predict the years of their suffering from the MRI....

Discovery in orange cauliflower may lead to more nutritious crops

...on behind the unusual hue. The finding may lead to more nutritious staple crops, including maize, potato, ... of The Plant Cell -- allows the vegetable to hold more beta-carotene, which causes the orange color and is a precursor to the essential nutrient vitamin A....

Simulations unravel outer membrane transport mechanism

...dependent transporter, Gumbart said. “As we get more computational power, we’re looking less at single proteins and more and more at the interaction of proteins,” he said. “And this is going in the direction of what’s cal...

Snoring in children might be an allergic type disease

...ho had asthma and/or eczema at age five years were more likely to snore. Breastfeeding, birth weight, b...ed at least once per week including 26% who snored more than three nights per week. This is a very high prevalence in five year old children and is partly d...

Research team identifies new Alzheimer's gene

A study comparing more genetic markers in the DNA of people with and with...zheimer’s prior death, and simultaneously examined more than 500,000 SNPs or genetic variations to characterize and confirm additional LOAD susceptibility g...

Bigger horns equal better genes

.... Therefore, differences in genetic quality become more apparent as an organism ages. Coltman noted th...his study, which incorporated genetic samples from more than 150 ibex, took into account the fact that environmental factors also play a role in determining...

How to lose weight and not go hungry: HU researcher develops drug that mimics feeling of 'fullness'

... a peptide (a peptide is a compound linking two or more amino acids) which can serve as an analog to the naturally occurring aMSH hormone. They were able to demonstrate that their peptide, which they call BL-3020, displayed good metabolic stability to intestinal enzymes when swallowed, and that it was abl...

Dirty snow may warm Arctic as much as greenhouse gases

...echanism -- dirty snow -- can explain one-third or more of the Arctic warming primarily attributed to gree...than the snow. The darker surfaces absorb sunlight more rapidly than snow, causing additional warming. This cycle causes temperatures in the polar regions t...

Largest synthetic gene ever built offers insights into anti-malarial drug resistance

...rly large, Roepe said, making the recent work much more challenging. Already, analysis of these three ...n the toll the parasite was having on soldiers − more U.S. soldiers died from malaria in the Pacific than from all enemy fire, Roepe said. The Germans fi...

Pesticides choke pathway for nature to produce nitrogen for crops

... Environmental Health Perspectives (2004), testing more than 50 chemicals, including pentachlorophenol (PC...utilize. Thus, she said, there is the need for yet more fertilizer. Other reasons, Fox said, have been poor soil quality due to overuse, which strips nut...

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

...during storms and caught in ocean currents, can be more than a mile across and could include plants that t...South America. "The South American group may have more than 400 species and is mostly associated with the large Andes mountains of South America," Hedges s...

New bacterium discovered -- related to cause of trench fever

...cratch disease: Bartonella henselae, which infects more than 25,000 people a year in the U.S. The discovery is reported in the June 7 issue of “The New England Journal of Medicine.” The woman had been traveling in the Peruvian Andes. She suffered from potentially life-threatening anemia, an enlarged...

Studies to find better ways to preserve human eggs, ovarian tissue under way

...ly for decades to preserve sperm and embryos, to a more rapid method of cryopreservation that transforms t... women infertile because systemic chemotherapy and more focused radiation therapy, designed to kill rapidly spreading cancer cells, also can destroy dynamic...

Millions of children denied drug that costs less than $3 a year

...pine. Despite some limitations, the study provides more evidence to support the use of phenobarbital in developing countries. The burden of untreated epilepsy in terms of human suffering and social costs is enormous, says Professor Perucca. An efficient epilepsy management programme will work only ...

In mice, drug protects against diabetes and atherosclerosis

...rt disease, and hypertriglyceridemia. See here for more information. Now that the importance of this ge...he size of fatty plaques in the animals' aortas by more than 50 percent compared to control mice. To study the impact of the aP2 inhibitor on diabetes, t...

Columbine flowers develop long nectar spurs in response to pollinators

...hittall and Hodges found, that evolution acts in a more one-sided fashion in many plants: the plants evolve nectar spurs to match the tongue-lengths of the pollinators. Then the process stops, and only starts again when there is a change in pollinators. Whittall and Hodges proved this idea by testing t...

Brain holds clues to bipolar disorder

...p clinicians diagnose bipolar disorder earlier and more efficiently. Dr. Phillips also will present data illustrating how imaging can be used to identify biomarkers and how these markers can help clinicians determine which patients will respond best to certain treatments. Neuroimaging also can help predic...

Ancient DNA traces the woolly mammoth's disappearance

...rsity of London. “For the mammoth, this seems much more likely to have been driven by environmental rather than human causes, even if humans might have been responsible for killing off the small, terminal populations that were left.” Barnes, along with Dr. Adrian Lister of the University College London...

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