Tag: "finds" at biology news

X-ray analysis of shipwreck may help conservators save waterlogged artifacts

...a problem that threatens the Vasa and other famous finds including the Skuldelev Viking ships, the Bremen Cog, the Mary Rose and the Batavia. Collaborators in Sweden and at Stanford have analyzed the chemistry of wood decay in the Vasa using a new technique - x-ray absorption spectroscopy. It employs high-...

Fighting the spread of sudden oak death

...e of a common fungicide. But if an infected plant finds its way to oak forests in the East, it could easily spread to nearby trees and become a lethal pathogen. "You cant use fungicides to treat entire forests," he said. "Thats an overwhelming impossibility." Rather than shut down movement of plant mat...

Physics tip sheet #3 March 6, 2002

... macroscopic surfaces. A new experimental analysis finds that two metallic surfaces placed together spontaneously deform to create an Angstrom-sized bond. This bond then grows in size over about one minute to nanometer levels. These bonds account for the slip-stick friction observed as two metal surfaces s...

Physics tip sheet #4 March 13, 2002

...asuring very small changes in gravitational fields finds application in navigation, underground structure detection and oil and mineral exploration. However, most gravitometers suffer from the problem that vibrations cant be distinguished from changes in gravity. A device based on atom interferometry (in w...

Dartmouth biologists say algae might be missing mercury link in aquatic food chain

...anisms, as they move up the food chain. The study finds that when there is a lot of algae present, methylmercury is dispersed widely throughout the single-celled algae. As a result, Daphnia that eat the algae arent exposed to high levels of mercury. However, in systems with less algae, the mercury is more...

April GEOLOGY and GSA TODAY media highlights

...hysical data from the seafloor of the Indian Ocean finds the answer. The study shows that the enigmatic East African rift becomes a strike-slip boundary south of the African coast and eventually intersects a mid-ocean plate boundary known as the Southwest Indian Ridge, which marks the northern boundary of...

Sea Grant news: Shipworms, ozone, hurricanes

...bb Mairs, general manager of Hanover Sea Products, finds the results promising for dealers noting, "This will result in increased profitability in the seafood processing industry." Future studies will look at incorporating ozone in ice that is used to pack fresh fish. CONTACT: Barry Nash, North Carolina ...

Male starlings sing a song of reproductive fitness

...at genes will appear later in the population. Ball finds the link between mate selection and the immune system particularly intriguing. Understanding how this variation in immunocompetence is regulated and maintained could be very valuable in our quest to understand the factors that control the immune syst...

Study finds new reason for smokers to keep this unhealthy habit away from infants/children

...e can damage the lungs of non-smokers. This study finds that exposure of non-smokers to cigarette smoke can effect expression of a key gene possibly involved in the production of pulmonary surfactant, which is necessary for normal lung function. These findings offer another important reason that smokers s...

Satellite data to predict plankton blooms by analyzing ocean color

...e on April 26, assesses the color of the ocean and finds that it may yield clues about the relation between marine ecosystems and the climate system. The research was funded by the National Science Foundation (NSF). David Siegel, a scientist at the University of California, Santa Barbara, and colleagues ...

UMass anthropologist investigates dental development and body size in primates

... Godfrey is a member of a team of researchers that finds a number of species of living and recently extinct lemurs living on Madagascar share very accelerated development of their teeth and can chew leaves and other hard-to-process foods soon after birth. The findings are published in the April 30 issue of...

Scientist explores the future of research collaboration

...nce and technology studies at Williams College. He finds that collaboration offers many benefits, among these speed, power and efficiency of research; breadth and synergy of projects; reduced risk of ventures; and feedback, dissemination, and visibility of results. The article reviews past research, seeks...

Scientists identify the 'Bin Laden' of cancer causing faulty proteins

...sive support networks are developed. This research finds that cancer can have simple non complex causes that give us more optimism in developing forms of treatment - but if they are not detected early enough cancers can still develop a complexity that is difficult to defeat. NB the press office thought lon...

Changes in rainfall patterns spur plant growth, carbon absorption across U.S.

A NASA-funded study finds that changing rainfall patterns over much of the United States in the last century have allowed plants to grow more vigorously and absorb more carbon dioxide from the atmosphere. In the presence of water and sunlight, plants take in carbon dioxide (...

Cosmic impacts implicated in both the rise and fall of dinosaurs

... or asteroid impacts." said Kent. "Correlating the finds with evidence of plant and animal life helps to tell us what happened." Using high-resolution mass spectrometry technology provided by Christian Koeberl of the University of Vienna in Austria, the scientists were able to make unprecedented comparis...

Underwater show stoppers

...rally do not fluoresce," says Ackleson. "The Navy finds this very interesting. We believe that eventually we can use fluorescent underwater survey techniques for managing reefs in sensitive military areas, for reclamation efforts, and in searching for mines and other man-made objects within a reef enviro...

Structural mechanism of cell enzyme revealed by UT Southwestern researchers

...aphy, have discovered how a particular cell enzyme finds its target and clearly carries out its role in the complicated process of cellular communication. The discovery could lead to the development of drugs that specifically target certain enzymes to prevent the onset of disease. The research, led by Dr. ...

Genetic markers key to identifying schizophrenic patients who can benefit from clozapine

...el targets. Conclusion The British experience finds that future clinical applications rely on development of kit- based protocols for individualized treatment based on genetic profile. This would result in different anti-psychotics with pertinent predictor variables for optimal drug selection resulti...

What inspires yeast cells to divide?

...eport by Rockefeller University researchers, which finds that past models of cellular division in the simple yeast organism were focused on the wrong protein. Until now, scientists thought that yeast cells began dividing into two separate cells upon the destruction of a "cyclin" protein called Clb5. But th...

Songbird population declines linked to acid rain

...se life and reproductive success depend on food it finds on the forest floor. The model predicts that, after statistically adjusting for several other factors (soil, vegetation, topography, thrush abundance), the probability of a wood thrush breeding is much reduced at a highly acidified site. The negative...

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