Tag: "getting" at biology news

Extreme 2003 takes students worldwide to the oceans depth

...ean.udel.edu/extreme2003/ . "This project is about getting students excited about science," said Craig Cary, University of Delaware (UD) biologist and chief scientist on the expedition. "We want to introduce students to one of the most fascinating habitats on the planet and engage them in the thrill of disc...

Scientists solve puzzle of how kinesin motor molecules walk or limp across cells

...t we speculate that maybe kinesin's coiled neck is getting over-wound and under-wound a little bit every time it takes a step." Symmetry vs. asymmetry The discovery of the hand-over-hand movement led the researchers to try and tackle another unanswered question: Is there symmetry in the way kinesin walk...

Origin of multiple myeloma found in rare stem cell

...for the disease, similar to how we kill a weed by getting at its roots, not just the part above the ground," explains Richard Jones, M.D., professor and director of bone marrow transplant at the Johns Hopkins Kimmel Cancer Center. "If you cut off the flower and stem of a dandelion, it may look like it has ...

USGS December science picks!

...tmas tree by President Calvin Coolidge, just keeps getting younger. At one time, biologists estimated that the General Grant Tree, a giant sequoia in Kings Canyon National Park in California, was 3,500 years old, but USGS research shows that the tree is a youthful 1,650, plus or minus a few centuries. The t...

Brain study shows some animals crave exercise

...s that become activated when you prevent rats from getting their daily fix of cocaine, morphine, alcohol or nicotine." The researchers explain that blocking the running behavior in the mice bred to do more voluntary wheel spinning triggers a neuronal response - activation of brain regions involved in reward ...

Protein-hungry cells 'go fishing,' report Purdue biologists

... norm, rather than the exception, when it comes to getting proteins across membranes." While this is the only example thus far of how a protein uses receptors, Cramer said that evidence for the theory lies in the organization of the receptors in the membranes themselves. "Receptors tend to lie together in cl...

Over land, sea and air, users give MERIS high marks

... for use by scientists. Overall the results we are getting seem very positive and reliable. The performance of the MERIS instrument is living up to the promise of its original design." Accurately measuring ocean colour with MERIS presents a real technical challenge, particularly because only 1% of the top-o...

Work begins on powering a sustainable future for the UK

Work is getting underway to take the UK into a significantly more sustainable way of meeting its energy needs for the future. Four Consortia, set up earlier this year under the SUPERGEN initiative, will now start working at ways of improving the UK's renewable power...

Isotopes from feathers reveal bird migration

..., Duxbury says. "Essentially, it's not as good as getting a band return, which gives you A to B," says Duxbury. "You can't say exactly where a bird's origin was, but you can narrow it down to a region. For instance, with an isotope signature we can get it back to southern Alberta, whereas a band can get it ...

Hot cocoa tops red wine and tea in antioxidants; may be healthier choice

...eir cocoa content. But when given a choice between getting your antioxidant fix from a cup of cocoa or a candy bar, it is better to go with the drinkable stuff, says Lee. A normal 40-gram bar of chocolate contains about 8 grams of saturated fat, compared to only 0.3 grams in an average cup of hot cocoa, he n...

Major new finding on genetics of Parkinson's disease zeroes in on activity of alpha synuclein

...in produced might contribute to a person's risk of getting the disease. "We hope that this type of basic research will yield new understandings that will ultimately allow us to go beyond just treating the symptoms of Parkinson's disease to one day halting the disease's progression," says Farrer. Further,...

Case researchers discover the mouth's defenses against AIDS

...and 3 (hBD2 and hBD3) that may prevent humans from getting sick and may promote rapid healing from food abrasions or accidental bites to the tongue and mouth. "It is the unique properties of the good bugs found in the mouth that are inducing the expression of hBD2 and 3," stated Aaron Weinberg, director of...

Wolves are rebalancing Yellowstone ecosystem

...lk browsing had been preventing any seedlings from getting taller." That pattern was common throughout the study area - lots of seedlings in combination with large cottonwood trees generally more than 70 years old, but little or nothing in between. Young cottonwoods, willows, and other streamside woody spe...

Exercise and healthy weight delay cancer even among women with highest genetic risk

...isposition to cancer. "Living a healthy lifestyle, getting regular physical activity and maintaining a healthy body weight are important for all aspects of health and well-being in all women, but it is reassuring to know that a healthy lifestyle can help postpone cancer onset in women with a strong inherited...

WSU scientist part of study seeking vaccines to combat potential bioterrorist attack

...g bioterrorism is so great that I could not resist getting involved. This is so important to the United States and the world because some of these agents can kill people within a few days. Just think back to what the anthrax scare did to the postal service and you can realize how frightening a situation thi...

New protein provides clue to diabetes

...in resistance works, and opens the way to possibly getting around the impediments that exist in Type 2 diabetes." While Lodish continues to explore other molecular mechanisms of diabetes, Bogan is continuing the TUG research in his laboratory at Yale, identifying other proteins that interact with TUG and s...

NIH told regular and moderate exposure to sunlight is the key to preventing chronic disease

... revision of the recommendation. Adults should be getting 1000 International Units (IU) of Vitamin D a day, not the 200-600 (IU) that was recommended in 1997. Rewriting the recommended daily requirements as soon as possible should be a top priority. "Taking diet supplements or drinking foods that have be...

UCSB physicist devises way to observe protein folding

(Santa Barbara, Calif.) Physicists are getting more involved in the fight against diseases by studying the folding of proteins, which they hope will eventually lead to the development of new drugs. Illnesses such as Alzheimer's disease and even some cancers are the result of protein folding that ...

Roderick MacKinnon wins 2003 Nobel Prize in Chemistry

...s to study how the potassium channel works without getting the answer we needed," says MacKinnon. "Ultimately, I knew we just had to see it." And see it they did. MacKinnon and his colleagues produced large quantities of the potassium channel from a bacterium named Streptomyces lividans. Then, they isolated ...

New book says Northwest salmon could face same fate as those in Northeast, England

...to apply the lessons of past experiments, but it's getting close to too late," he said. "Relative to Maine, we still have a ton of fish." Montgomery was a member of the independent science panel for Washington state's Governor's Salmon Recovery Panel, serving as vice chairman from 1999-2001. It was in that ...

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