Remarkable results from a new observatory
...og cell has beenwidely used by scientists for many decades because it shares numerous commontraits with human cells. The NMR imager works very much like a magneticresonance imaging unit at a modern hospital. However, while the hospital unitscan only examine relatively large sections of the body containing...For DNA, it's all about fitting in
...an squeeze into natural DNA, and he has overturned decades ofdogma by showing that hydrogen bonds are not as vital as shape to the existenceand reproduction of DNA. "The unexpected flexibility of the structure of DNA raises interestingquestions about the primordial soup," says Kool. "Why does DNA...Caterpillars foiled when tomato plants summon parasitic wasps
... attackers. Scientists have known for the past two decades that many wild and agriculturalplants launch an immune-like chemical defense when attacked by insects. Thatchemical resistance response can make the plant a poorer food for the insect andit may send out an aromatic SOS that hails the insect's natura...SFVAMC-UCSF scientists solve a key protein structure
Completing a decades old quest by biochemists and biophysicists scatter... this first picture of the structure helps support decades ofresearch on what scientists thought Complex II would look like," Cecchini says. The co-principal i...... "Despite considerable progress in the four decades since Rachel Carson warned the nation of the risks posed by environmental contaminants, a large range of nutrients and other contaminants continue to enter our waterways, said Mark Schaefer, deputy assistant secretary for water and science at the Int...Researchers call for doubling of RDA on vitamin C
...milligrams of vitamin C daily has beenin place for decades and is reflected in medical textbooks, many vitaminsupplements and nutritional folklore. But it doesn't reflect the wealth of newresearch done in recent years, which shows that slightly higher levels of thisantioxidant vitamin could play a more impor...Burrowing mayfly swarms signal a healthier ecosystem, USGS scientists say
...ater quality, and throughoutmost of the next three decades burrowing mayflies were virtually absent fromtheir...allyburied the toxins lining the lake bottom a few decades ago, creating a habitatthat is again suitable burrowing mayflies. Edsall says the massive declines o...DFG releases statement on possibilities and limitations of genetic diagnosis
...anifest or ifso at which time - many years or even decades can lie between the test result and the first signsof a disease. Moreover, to date, causal treatments for the majority of genetic diseases are notyet available. Rapid developments predominantly in chip technology are making it possible todevelop nov...Purdue helps Indiana companies with pollution dilemma
...Styrene, a suspected carcinogen, has been used for decades to manufactureeverything from drinking cups to lightweight auto and boat parts. It has beenclassified by the EPA as a volatile organic compound, meaning it tends tocombine with other chemicals to form entirely new compounds. One result is thecreation...Lab experiments reveal potential therapeutic target for degenerative brain diseases
.... These effects may notappear until years or even decades later, and have been a major stumbling blockfor researchers. Other diseases characterized by development of plaques andthat may be related to prion diseases include Alzheimers and Parkinson'sdisease. "No one would have suspected that a piece of the ...Growth factor may determine who grows new blood vessels that protect against heart attacks
...needed. However, scientists havelearned in recent decades that the collateral beds are actually new vessels thatgrow in the areas of the heart that are deprived of life-sustaining oxygenbecause of reduced blood flow. The study findings shed new light on the formation of collateral beds andsuggest that certa...Ship sulfur emissions found to strongly impact worldwide ocean and coastal pollution
...etime in the atmosphere -- about aweek compared to decades and hundreds of years for greenhouse gases -- theseeffects have been difficult to quantify," Corbett added. "Our study shows thatsulfur from ships may be an important factor in solving this part of the globalclimate change puzzle." The study ...Harvard expert speaks on lead toxicity to chemists' meeting in New Orleans
...er the last 2000 years - itis only in the past few decades has remedial action been taken. Dr. Knowles is the winner of the ACS 1999 Nakanishi Prize given in honor ofoutstanding scientific achievement, particularly for contributions on theinternational level. Dean Knowles has been particularly interested in ...Trouble for the world's turtles
...ralChinese species only discovered in the last two decades are possibly extinct dueto high demand. Vietnam, Bangladesh and Indonesia are exporting large numbers ofturtles to China and this unsustainable trade now seems to be extending to othercountries as well. Indeed, well over 7 million turtles of several ...Air pollution hits children with asthma hardest, USC study finds
...ity has improved dramaticallyover the past several decades as a result of efforts to reduce emissions fromautomobiles and other sources of pollution. Despite the progress made inreducing pollution, the USC team's results indicate that children with asthmaremain at risk in today's environment....From lemurs to gorillas, new book explains primate anatomy
...in the field. For example, even after many decades of study, primatologists still donot agree whether the tarsier -- a small, round-faced, goggle-eyed primate foundon islands in Southeast Asia -- is to be ranked with higher primates such asmonkeys. "Looking at the data, it seems obvious that ...Hurricane Floyd signal of a new weather era?
...ive hurricanes in the Atlantic Ocean and resulting decades ofdestruction for coastal cities of the United Sta...le current that operates on a timescale of several decades and affects world weather patterns. When it's active, this "conveyor belt" transports warm o...Clemson researchers link federal flood insurance program to accelerated coastal development
...growth on South Carolina's coast over the past two decades has beendriven by a federal program." The Thurmond Institute researchers were drawn to that conclusion whenthey looked closely at the data from 1992, the year a coastal landowner sued theSouth Carolina Coastal Council when he was refused perm...USGS studies wildfire ecology in the western United States
...ng studies on the effects of both forest fires and decades of fire suppression have been carried out in the Sierra Nevada mountains of California in Yosemite, Sequoia and Kings Canyon National Parks. As in the Southwest, fire suppression in the Sierra Nevada has now led to conditions in which catastrophic fi...CU-Boulder professor documents controversial history of Rocky Flats
For four decades the Rocky Flats Nuclear Weapons Plant, located 16 milesnorthwest of downtown Denver, was a key facility in the United States nuclearweapons race. It was viewed first as a subject of pride by Colorado citizens, who welcomed thebooming commercial and...