Tag: "about" at biology news
NIH awards new $14.5 million, five-year grant to the Scripps Research Institute
...cal structures at near-atomic resolutions -- up to about
3 to 4 angstroms under the best of circumstances. ...uscle cells and allow these cells to depolarize at about
the same time so that the heart beats as one single tissue and not as a loose collection of cells. ...
Studying the chemistry of drugs in wastewater
...m streams and other waterways, but little is known about
byproducts of those drugs created during chlorine treatment or time spent in the environment. The topic drew a large audience at the American Chemical Society annual meeting last month, where NIST chemist Mary Bedner was one of several presenters. Am...
Yearling horse auction to benefit equine research
...e to speak with Virginia Tech faculty and students about
the latest in equine research....
Commandeering cellular machinery: recognition mechanism to detect small molecules
... 380,000 candidates, the researchers ended up with about
a dozen nuclear receptors whose recognition pockets had been re-engineered to respond to the LG335. "Using this technique, we don't have to evaluate each member of our library," Doyle said. "The yeast actually do the work for us. If only one in a...
National Science Foundation awards $2 million grant to UC Riverside
...ale," Allen said. "People have long been concerned about
the impact nitrogen deposition has, and other concerns about
weed invasion, but there has never been a landscape-scale study that links nitrogen with invasive sp...
College students recognized & rewarded for their innovative work
...n was still an undergraduate when he first thought about
the Atomic Force Microscope (AFM), an instrument c... learn the inner workings of cells. Sahin thought about
making the AFM probe vibrate in a harmonic, and realized he could provide depth and richness to the ...
Of lice and men
...ly human came into direct contact with our species about
25,000 years ago and spread the parasites to our a...een two early species of humans," probably in Asia about
25,000 to 30,000 years ago, says study leader Dale Clayton, a professor of biology at the University...
Endangered frogs coexist with fungus once thought fatal
...ramatic frog declines. But with little information about
how the disease impacts frogs in the wild, the causal role of this chytrid fungus remains unclear. In the open access journal PLoS Biology , Australian researchers Richard Retallick, Hamish McCallum and Rick Speare now "show unequivocally" that rema...
A treatment, not a cure: Calcium silicate neutralizes an acidic stream
...f a larger watershed-level addition. To learn more about
how calcium silicate impacted forests and wetlands, visit an overview on the Hubbard Brook website: http://www.hubbardbrook.org/yale/watersheds/w1/ The following coauthors were integral in conducting the Wollastonite addition research and preparing...
Fungus knocks a frog down but not out, raising questions about amphibian declines
... crashed but survived in remnant colonies totaling about
five percent of the original population. The decli... may tolerate the pathogen, which raises questions about
how the disease persists and spreads from frog to frog and region to region. "T. eungelle...
HHMI researchers Richard Axel and Linda Buck win 2004 Nobel Prize
... would be the key to answering two basic questions about
olfaction, explained Axel. First, how does the system respond to the thousands of molecules of different shapes and sizes that we call odorants--"does it use a restricted number of promiscuous receptors, or a large number of relatively specific recep...
How roots control plant shoots
... "When we look at plants, it's easy to think only about
the above-ground parts you can see," says Leslie S...ves, flowers and fruits. But little has been known about
how genes active in roots control these chemical signals, Sieburth says. The new study reveals part ...
Research team develops nonhuman primate model of smallpox infection
...from the technical accomplishments, what's notable about
these studies is the collaboration between multiple agencies--including the Department of Defense and the academic sector--to address the issues raised in the 1999 Institute of Medicine report on the need to retain live variola virus," said co-author...
New Stanford center probes nanoscale material
...tions in science and technology. "What's different about
our [center] is that we're developing new tools to enable nanoscale science and technology, and we're excited to see what possibilities these tools will open up," Goldhaber-Gordon said. The probes will enhance the capabilities of the nanotechnology c...
Stanford researchers establish center for physics-based simulations of biological structures
...r, cellular or organismal level may have questions about
how the physics of their system affects its functi... in the Bioengineering Department and a newsletter about
biomedical computation geared for the public. It will provide on-site training to users of the simul...
Daphne Koller named MacArthur Fellow
...jor decision, and they give you some time to think about
it." The news always comes as a big surprise, since the selection process is confidential and no notification is given to fellows until final selections are made. Koller's research tackles questions of how complex information with high levels of ...
Head lice reveal contact between modern and ancient humans
...ur archaic forerunners, Homo erectus , took place about
1.8 million years ago but is statistically consist...e. As the first waves of modern humans left Africa about
100,000 years ago and modern humans replaced archaic forms, the two forms engaged in enough contact-...
Dying cells encourage neighbors to grow
...ne in Developmental Cell, provides new information about
how normal, healthy tissues are maintained and may shed some light on a pathway that may contribute to tumor growth. It has been known for some time that cells that die as a result of injury-provoked programmed cell death, also known as apoptosis, m...
Annals of Internal Medicine tip sheet for Oct. 5, 2004
...om the United States in the late 1940s, every year about
1,500 malaria cases occur. Most infections occur in people who travel abroad, and one of every 100 U.S. travelers with diagnosed malaria die. Researchers looked at records of U.S. travelers in a national registry who died of malaria between 1963 ...
Good news: As you age, leg blood vessels adapt so you can still exercise without fainting
...reatening example of a stressful situation. Think about
it: When we exercise, our heart and breathing rates rise rapidly and blood vessels in our limbs dilate in order to deliver more oxygenated blood to our working muscle cells. The rapid rise in blood flow to the periphery -- especially to the legs -- ...
1 2 3 4 5 6 7 8 9 10