Fire frequency determines forest carbon storage
...t through the process of photosynthesis. Carbon is returned to the atmosphere through the process of respiration as soil microorganisms decompose dead organic matter, and trees and mosses metabolize the products of photosynthesis. It is the balance between these two processes, taking in carbon during photosyn...Native American artifacts pose pesticide exposure risk
An analysis of museum artifacts returned to California's Hoopa tribe through a federal repa...ative Americans are now requesting that objects be returned to them under NAGPRA, and it is highly likely that these objects will be returned without any prior ......ce millions of bone marrow cells are modified and returned to the boys, such insertions may crop up in most if not all of the patients. The added gene has now turned up near Lmo2 in a third child in the French trial, von Kalle last week told a gene therapy conference in Banff, Canada. Fortunately, the boy sh...'One-stop' approach works well for cervical cancer prevention
...as diagnosis of precancerous lesions, 83.2 percent returned for a follow-up visit, and 93.5 percent returned for a checkup one year later. "The vast majority of women said they were highly satisfied with this...Methane and mini-horses: Fossils reveal effects of global warming
...f a Siamese cat," Gingerich said. When the climate returned to normal, the animals became normal size again. To understand why dwarf versions of the various animals appeared and then disappeared from the fossil record, Gingerich turned to colleagues at the University of Michigan Biological Station who are stu...Early Mars: Warm enough to melt water?
...was only 75 percent of what it is today, the model returned an average temperature of minus 13 degrees Fahrenheit." This by itself would not have been enough to allow widespread liquid water. However, the Martian surface could have received 20-30 degrees Fahrenheit additional warming from the greenhouse ef...Virginia Tech professor Marjorie Grene is the first woman in The Library of Living Philosophers
...or five years at Queen's University, Belfast, then returned to the United States, to the University of California at Davis. Richard Burian, a professor of philosophy at Virginia Tech who describes Grene's career as "remarkable," said Grene overcame the difficulties of being a woman in a man's profession beca...Medical devices safe, but could be safer with better regulation
...ied and removed from service, P. aeruginosa levels returned to normal....Without water, the body will shut down its need to ingest food
...ood hopper was removed from the cage, weighed, and returned to the cage. Drinking water was not available duri... of 1.1 ml/min. Food (but not drinking water) was returned six minutes after the end of the infusion. Experiment 4: Effect of slow infusions of water in the st...Prize to Weizmann Institute professor for landmark work in stem cell transplantation
...atient was able to resume his normal lifestyle and returned to his job at the factory, where he still works today. Given the success of this first transplant the team attempted the second two months later in May 1993. This 36-year-old businessman had been suffering from acute myeloid leukemia for almost two y...Scientists find fully differentiated blood cells remain able to switch identity
...nenko and colleagues found that when the cells are returned to the animal, they generate spherical B-cell lymphomas, indicating that they have changed their identity yet again. Moreover, the cells could continue oscillating between B-cells and macrophages indefinitely, as many times as they were relocated. "...Children's Hospital Boston researchers regenerate zebrafish heart muscle
...the heart's lower chamber, or ventricle. They then returned the animals to water (most survived and resumed sw...oup of zebrafish that had their hearts removed and returned to their bodies uninjured. Within a week, the zebrafish with heart injuries were as active and swam...Reconstructing salmon populations
...here is a great need to understand how many salmon returned to rivers historically," said Naiman. "Once we kn...ible to use tree rings to estimate how many salmon returned to a river in any one year. This was a 'trial' project to see if the idea would work." Previous stu...Hatchery salmon may endanger wild cousins
...rated toward the sea (smolts) with how many adults returned over the course of 20 years (1977-1997). The number of hatchery steelhead released ranged from about 4 to 10 million per year. The results suggest that hatchery steelhead do not affect wild steelhead, but that they may threaten wild chinook. "We obs...Chest compression device outperforms manual CPR
...low four times better than manual compressions and returned the hearts to pre-arrest condition. Results of the study, supported by Revivant Corp., are to be presented Nov. 19 at the American Heart Association's 75th annual Scientific Sessions in Chicago. "The key to restoring viability is to wash out the w...Space Shuttle returns first soybeans grown on Space Station in commercial farming experiment
... good crop. "The first soybean crop grown in space returned in excellent condition, and a total of 83 seeds were harvested from 42 seed pods," said Dr. Weijia Zhou, director of the Wisconsin Space Center for Automation and Robotics at the University of Wisconsin-Madison. "Since a plant's habitat plays a key r...Asian dust storm causes plankton to bloom in the North Pacific
...s overhead. The two floats, controlled from shore, returned a virtually unbroken stream of information for the next eight months, through December, 2001. Ocean Station PAPA, at 50 degrees north latitude, 145 degrees west longitude, is one of the few sites in the world whose waters have been studied for deca...First soybeans grown in space return to Earth
...ents in space regarding plant growth. The soybeans returned to Earth Friday afternoon aboard the Atlantis. In June, DuPont subsidiary, Pioneer Hi-Bred International, Inc., with the Wisconsin Center for Space Automation and Robotics (WCSAR) -- a NASA Commercial Space Center at the University of Wisconsin-Madi...Teen angst rooted in busy brain
...dually improved for each subsequent year, but only returned to normal at 18 (Brain and Cognition, vol 50, p 173). During adolescence, social interactions become the dominant influence on our behaviour, says McGivern. But at just the time teenagers are being exposed to a greater variety of social situations, ...The eyes have it: Seeking expressions of the genetic risk for developing alcoholism
...on among those with a family history of alcoholism returned towards "normal" despite continued exposure to alcohol. "We are still trying to learn what is actually inherited that affects the risk of alcoholism," said David Crabb, professor of medicine and of biochemistry and molecular biology at Indiana Univer...