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Tag: "burning" at biology news

Agent slows aging in mice

...ied, the scientists will get answers to the really burning question: Will the mice fed NDGA, already well past middle age, live past the normal outer limit of old age" The longest that mice of this type usually live is around 1,000 to 1,100 days. “If NDGA turns out to extend maximal lifespan by 20 or 30 ...

Soils offer new hope as carbon sink

...mes more greenhouse gas on a global scale than the burning of fossil fuels. "So it is not surprising there is so much interest in a technology to create clean energy that also locks up carbon in the soil for the long term and lifts agricultural production," he said. The trials at Wollongbar have focuse...

Researchers find 24 species believed new to science in Suriname rainforest

...ing and other resource extraction. Cutting and burning tropical forests worldwide contributes 20 percent 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 strategy for minimizing climate change. The burgeon...

Old memory traces in brain may trigger chronic pain

...different part of the brain than the discomfort of burning your finger, for example. With a functional MRI, he found that chronic back pain shows up in the prefrontal cortex. By contrast, the acute sensory pain of the burned finger appears in the sensory part of the thalamus. Apkarian also found that the...

Hormone helps mice 'hibernate,' survive starvation

...e use of fat as energy, spurs a metabolic shift to burning stored fats instead of carbohydrates and induces a hibernation-like state of decreased body temperature and physical activity, all geared to promote survival. “This hormone changes the metabolism and behavior of mice in the face of inadequate nutr...

Detecting cold, feeling pain: Study reveals why menthol feels fresh

...capsaicin and noxious heat elicit the sensation of burning pain through activation of the same receptor on sensory neurons. Most recently, they identified the receptor of isothiocyanate compounds, which constitute the pungent ingredients in such plants as wasabi and yellow mustard. In response to high te...

Get a whiff of this: Smell test could sniff out serious health problems

...heese and rancid meat, a fragrance that combines a burning smell with a skunk-like smell, and amyl acetate, which smells like banana. “You have to get people to really suppress the sniff and that’s why the bad odors work so well,?explains Frank. “To a certain extent, we put the banana smell in there to give ...

Columbia scientists determine 3-dimensional structure of cell's 'fuel gauge'

...ivities, and activates "catabolic" functions, like burning fat to make energy. AMPK provides an especially promising drug target for people with type 2 diabetes. These patients are insulin-resistant, meaning that their cells are not responsive to insulin which normally helps glucose get out of the bloods...

Scientists sequence genome of parasite responsible for common sexually transmitted infection

...tion inside the penis, mild discharge, or a slight burning sensation after urination or ejaculation. Symptoms in both men and women generally appear within five to 28 days of exposure to the parasite. Both men and women with trichomoniasis have an increased susceptibility to HIV infection and may transmi...

Scientists map air pollution using corn grown in US fields

...is novel way to measure carbon dioxide produced by burning coal, oil and natural gas will help atmospheric scientists better understand where pollution is located and how it mixes and moves in the air. Tracking fossil-fuel-emitted carbon dioxide will be important as countries throughout the world adhere to t...

Study finds mercury prevalent in many western fish

...g coal power plants from as far away as China, the burning of heavy oils and other fossil fuels, and even forest fires. In the survey, the researchers did find 13 fish from eight different sites that had very high mercury concentrations ?levels of 1.0 microgram or higher ?likely indicating a point source....

Common parasitic infection leads to increased risk for HIV infection

...ious complications. Some men may experience a mild burning sensation or discharge. Some women may have a frothy, strong-smelling yellow green discharge, and may feel discomfort during intercourse and urination, as well as itching of the genital area. Lower abdominal pain occurs in rare cases. The study, ...

'Exercise pill' switches on gene that tells cells to burn fat

...nce muscles like to be exercised, and increase the burning of energy or excess fat in the body. And that wou...m in the marathon mice triggers both increased fat burning and increased endurance. Adult normal mice that receive the drug to switch on PPAR-d show increased...

Origin of inherited pain disorder pinpointed

...s for a rare inherited disorder that causes severe burning pain with no warning has been pinpointed by researchers. They found that paroxysmal extreme pain disorder (PEPD) is caused by specific mutations in porelike sodium channels in peripheral nerve cells—a discovery that they said emphasizes the role of s...

UCSD study reveals how plants respond to elevated carbon dioxide

...ion to reduce emissions of carbon dioxide from the burning of fossil fuels is that the elevated carbon dioxide will stimulate plants to grow faster. The assumption is that plants will take up excess carbon dioxide to produce carbohydrates--their stored energy source. However, studies have shown that, contr...

Gene therapy prevents the onset of diabetic symptoms in mice

Acid rain, the environmental consequence of burning fossil fuels, running factories and driving cars, has altered soils and reduced the number of sugar maple trees growing in the Northeast, according to a new study led by Cornell University researchers. The sugar maple is the most economically valua...

Acid rain causing decline in sugar maples, say researchers

Acid rain, the environmental consequence of burning fossil fuels, running factories and driving cars, has altered soils and reduced the number of sugar maple trees growing in the Northeast, according to a new study led by Cornell University researchers. The sugar maple is the most economically valua...

Report warns about carbon dioxide threats to marine life

...dwide emissions of carbon dioxide from fossil fuel burning are dramatically altering ocean chemistry and threatening marine organisms, including corals, that secrete skeletal structures and support oceanic biodiversity. A landmark report released today summarizes the known effects of increased atmospheric ca...

Chewing up a key regulator of fat synthesis keeps mice lean despite a high-fat diet

...al activity was the same, but they were constantly burning fat." All this is good news for the fight against obesity and the disorders characterized by insulin-resistance known as "metabolic syndrome." Most people with insulin resistance will develop type 2 diabetes within 10 years, unless they lose 5 to 7 ...

Chocolate, wine, spicy foods may be OK for heartburn, Stanford study finds

... acid to flow up into the esophagus. That causes a burning sensation behind the breastbone or acidic fluid surging up into the mouth. So it might seem logical to think that if a particular food has been shown to cause a loosening of the sphincter, then eliminating that food from your diet would allow the sph...

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