Tag: "content" at biology news

Major link in brain-obesity puzzle found

...ls ?giving them two-and-a-half times more body fat content than normal mice. The mice that had some of their SH2B1 restored in just their brains by genetic alteration did not experience this ?and in fact had less fat than normal mice. Since these mice lacked the ability to make SH2B1 in their fat cells, ...

With cellulosic ethanol, there is no food vs. fuel debate according to MSU scientist

...grasses and woody materials grown for their energy content ?also will increase dramatically. "This will reduce pressure on our land resources," said Dale, who also is associate director of the MSU Office of Biobased Technologies. "We'll be able to get more raw material out of one acre of land." Dale sa...

Organic is healthier: Kiwis prove that green is good

...07, John Wiley & Sons, Inc. provides must-have content and services to customers worldwide. Their core businesses include scientific, technical, and medical journals, encyclopedias, books, and online products and services; professional and consumer books and subscription services; and educational materi...

Boosting brain power -- with chocolate

... are not only found in chocolate with a high cocoa content ?they are also present in other substances such as red wine, green tea and blueberries. He presented his research at the annual meeting of the American Association for the Advancement of Science (AAAS), one of the biggest annual gatherings of scie...

Prehistoric mystery organism verified as giant fungus

...r variation in its ratio of carbon-12 to carbon-13 content than would be expected in any plant. Geological processes can alter the isotopic composition of fossils, but Boyce and his colleagues conducted tests to verify that the carbon isotopic composition of the specimens they analyzed stemmed from organi...

Sleep enforces the temporal sequence in memory

...vides evidence that sleep not only strengthens the content of a memory but also the particular order in which they were experienced, probably by a replay of the experiences in "forward" direction. Students were asked to learn triplets of words presented one after the other. Afterwards they slept, whereas...

No-scalpel vasectomies by skilled surgeons may speed recovery

... about medical practice after considering both the content and quality of existing trials on a topic. The larger study, conducted in 1999, included 1,429 men in five countries: Brazil, Guatemala, Indonesia, Sri Lanka and Thailand. All eight physicians ?general surgeons and urologists ?had experience with ...

Procedure predicts embryos most likely to result in pregnancy

...one will lead to a pregnancy." By comparing the content of the successful and unsuccessful embryos, the team established a metabolic profile of embryos that resulted in pregnancies as well as ones that did not. "We found that proton NMR, a non-invasive nuclear magnetic resonance form of spectroscopy, w...

New biofuels process promises to meet all US transportation needs

...nt quantity of hydrogen possessing the same energy content by using the solar-power electrolysis method, he said. "So providing hydrogen derived from water through solar electrolysis reduces the amount of biomass needed," Agrawal said. "The average energy efficiency of growing crops is typically less than...

Fighting to keep Darwin in the classroom

...s and books and is the curator responsible for the content of the major exhibition Darwin which opened at the AMNH in New York in November 2005, drawing in over 500,000 visitors. Greg Eldredge has a Masters Degree in Education and has been a New York City school teacher for the past three years. He is a co...

Antifungal drug kills TB bug

.... "When we began looking at the bug and its DNA content in more detail, we noticed it had some unusual characteristics. In particular, we noted the presence of a very large number of enzymes called P450s, which are usually associated with more complex organisms. "In humans, P450s oxygenate molecules in...

Chemo combination improves survival in asbestos-related cancer

... about medical practice after considering both the content and quality of existing medical trials on a topic. The researchers examined data from a clinical trial of 20 treatment centers in Europe, the Americas, Australia and Asia. Eighty-one percent of the patients were men, with an average age of 61. Pat...

Power-boosting signal in muscle declines with age

... runners typically have much greater mitochondrial content and a greater capacity to burn fat. Those properti...chondrial function and increased intracellular fat content seen with aging could be traced back to deficiencies of AMPK. They compared AMPK activity in young a...

Vitamins: Science doesn't always match policy

...undreds, if not thousands, of products with varied content and dose of vitamins and minerals. It's really dif...ticular, issues needing more attention include the content and labeling of vitamin and mineral supplements and the effects of these products on nutrient adequa...

Scientists genetically engineer tomatoes with enhanced folate content

...f folate to diet through enhancement of the folate content of fruits and vegetables." The vitamin is commonly found in leafy green vegetables like spinach, but few people eat enough produce to get the suggested amount of folate. So, in 1998, the Food and Drug Administration made it mandatory that many gra...

Sandia researchers take new approach to studying how cells respond to pathogens

...mage individual cells with much higher information content than possible with current commercial imaging tech...ection and sorting followed by analysis of protein content in the selected cell subpopulations. "In effect, we are taking many work-horse technologies such ...

Biodiesel study targets cleaner air, cleaner engines

...e government's objective of five percent renewable content in transportation fuels by 2010. This is another example of how we can create new economic opportunities for farmers and the agricultural sector while also taking care of our environment." Natural Resources Canada contributed $300,000 to the projec...

Researchers find link between food odors and lifespan in fruit flies

...y flies. Carefully controlling the flow and oxygen content of air flowing to the flies in sealed systems, he ...y flies. Carefully controlling the flow and oxygen content of air flowing to the flies in sealed systems, he can determine the flies' metabolic rates by analyz...

Detecting poisons in nectar is an odour-ous task for honeybees

...ste them. Researchers found that both the sugar content and the toxins in nectar affected a honeybee’s memory for learned odours. Honeybees learned not to respond to odours associated with toxins within 20 min of eating toxins, and would retain this ability up to 24 hours after eating a toxin. This sugg...

Research says boiling broccoli ruins its anti-cancer properties

...hasing. The effect of cooking on the glucosinolate content of vegetables was then studied by investigating th...in the vegetables. The loss of total glucosinolate content after boiling for 30 minutes was: broccoli 77%, Brussel sprouts 58%, cauliflower 75% and green cabba...

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