not 2 7

Tag: "not" at biology news

Philandering female felines forgo fidelity

...tic micro-satellites from 171 samples, researchers not only were able to determine if more than one fathe...ly 21.3 percent being assigned paternity, although not all males in the study area had been sampled. At least some of these missing fathers undoubtedly res...

Lessons from the orangutans: Upright walking may have begun in the trees

...un to encounter gaps between trees that they could not cross at the canopy level. The Science authors suggest that early human ancestors responded to this by abandoning the high canopy for the forest floor, where they remained bipedal and began eating food from the ground or smaller trees. The ance...

Moths mimic sounds to survive

...gh-frequency sounds. “We found that the bats do not eat the good-tasting moths that make the similar s...milar in size to the sound-emitting moths, but did not make sounds, were gobbled up by the bats. The researcher trained free-flying bats to hunt moths i...

Human stem cell treatment restores motor function in paralyzed rats

... at reconstructing the neural circuitry, which had not been done before.” The researchers believe that the therapy may eventually be proven even more effective in human patients, who would be able to receive physical therapy once treated. “Physical therapy may accelerate integration of the grafted...

Hawaiian treasure, macadamia nuts good for the heart

...s. "We looked at macadamia nuts because they are not currently included in the health claim for tree nu...cholesterol levels, normal blood pressure and were not taking lipid lowering drugs. Researchers randomly assigned participants to either the macadamia nut ...

Resistant HIV quickly hides in infants' cells

...hey could later launch an attack that NNRTIs could not stop. The news was not all bad: a different class of antiretroviral drugs, protease inhibitors (PIs), was effective in cont...

Statin treatment improves spatial memory in mouse models of Alzheimer's

...reated groups as compared to similar mice that did not receive statin. Furthermore, the levels of nNOS proteins were statistically higher in the hippocampus of the statin treated animals than in the cortex. nNOS is responsible for the release of nitric oxide, a substance that causes dilation of the bloo...

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

... exposure," she explains. "Cleaner environments do not have enough microbial components to trigger the immune system response." The UC team reports their findings in the May 2007 edition of the scientific journal Allergy. This epidemiological study is the first to suggest that early-life exposure to ...

Mice with a migraine show signs of brain damage

...the focus should be on prevention, which will stop not only the pain but also minimize potential damage,?....? Deborah Friedman, M.D., a neurologist who was not involved in the study, says that a few studies have found that people who get auras with their migra...

Catching cancer's spread by watching hemoglobin

...lls, which is better than MRI resolution) and does not require any contrast agents or fluorescent markers...hnique is that it is "label-free," meaning it does not require the addition of fluorescing molecules but rather relies on the inherent light-absorbing prop...

Salk scientists hammer out a pathway that promotes muscle cell survival in mice

...wn as phosphorylation, muscle-specific genes could not be activated and the mice lacked proper muscle fun...other species." Indeed, all mammals have SIK1, not just mice, and even worms and fruit flies use variations of the enzyme. And as Montminy adds, "Appli...

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

...tion toward high cholesterol and pre-diabetes, but not obesity. All the measures on which the two gro...l Biology 2007 meeting in Washington, D.C. It's not yet known if cherry-rich diets might have a similar impact in humans, but a U-M team will soon laun...

Climate change was the cause of Neanderthal extinction in the Iberian Peninsula

Climate ?and not modern humans ?was the cause of the Neanderthal extinction in the Iberian Peninsula. Such is the conclusion of the University of Granada research group RNM 179 - Mineralogy and Geochemistry of sedimentary and metamorphic environments, headed by profe...

Hearts of male and female rainbow trout are different

...poxic (oxygen shortage) conditions, but gender was not specifically examined. Nor were comparisons made b...y realized when the trout heart is contracting and not under resting conditions. The study is entitled Sex Differences in Cardiac Glucose Metabolism an...

Machine preservation may promote more organ sharing

...e machine preservation, or pulsatile perfusion, is not new, it is not widely used because it is more costly and labor-intensive. According to the United Network for Organ...

Does amateur boxing cause brain damage?

.... The study also included 10 healthy men who were not athletes. The study found high CSF levels of n...were found. "This data shows headings in soccer is not associated with any neurochemical evidence of brain damage," said Hietala. ...

Scripps research team sheds light on long-sought cold sensation gene

...ool temperature." The TRPM8-deficient mice did not lose their ability to feel pain in response to ext...ature plate. In contrast, TRPM8-deficient mice did not receive any acute pain relief from the cold plate suggesting that cold activation of TRPM8 can media...

Technique monitors thousands of molecules simultaneously

...eceptor, washing away any excess receptor that has not found a key, and then treating the bound receptors...ng step risks removing a bound receptor if it does not bind the molecular key strongly enough. But, with an electrochemically addressable computer chip, pr...

'Insulator' helps silence genes in dormant herpes virus

... the host has worked out for its own chromatin and not have to reinvent the wheel by making its own prote...to develop therapies that can target the virus and not the host." ...

How the brain's backup system compensates for stroke

...emisphere increases in activity. However, they did not know whether this activity increase represented sp...specific for the behaviors governed by the PMd and not simply a general increase in brain activity. The researchers also established that the activity i...

1 2 3 4 5 6 7 8 9 10