Duke Ecologist Says Logging Is Creating 'Mahogany Deserts'
...grow in thick woods, she has foundno evidence that new mahogany seedlings will successfully grow in the s...der trees can then provide sources of seed to grow new mahoganiesin the clearings opened up by wind and fire. The regeneration process may be even more co...Major Plant Genome Research Project Underway
...logical sciences, and will lead to the creation of new and improved plants and plant-based products. "Be...nable us to use biotechnology to develop a host of new plant varieties for agriculture and other purposes. This research is like exploring a continent for...In a new finding with implications to human learning, memory and speech acquisition, researchers at the University of Chicago Medical Center have correlated the simple notes and more complex passages of a bird's song to activity in different areas of the brai...PET Project Helps Reduce Pollution Threat From Heavy Metals
... Cincinnati College of Engineering have designed a new system to trapdangerous pollutants in highway stor...o. Doctoral candidate John Sansalone developed the new system.Sansalone's adviser is Steven Buchberger, associate professor incivil and environmental engin...Discovery Of Cell Sites May Shed Light On How Bodily Systems Interact
...immune systems,"Kelley said. "These data give us a new set of glasses -- a new wayof looking at the world that has always assumed that such interaction hadto occur in the brain. T...Component In Soy Products May Be Substitute For Estrogen Treatment
...e as evidence of soy protein's healthbenefits. The new study is the first to focus on postmenopausal women. Potter's team incorporated 40 grams of isolated soy protein into baked goodsand drinks used in the women's daily low-fat, low-cholesterol diets. Inaddition to a control group, one group ate soy pr...Researchers Identify A New Cellular Structure: The "Dumposome"
..., dubbed a "dumposome," mayprove to be an entirely new organelle. It's introduced in the cover story of the October 4 issue of Cell . "The dumposome surrounds the DNA it's gobbling up, and then spits it out of the nucleus," says C. David Allis, theUniversity of Rochester professor of biology who ...Green Glow: Not Only For Halloween
... original protein. It worked, giving biologists a new tool to track the location in a living cell of two proteins simultaneously, and to determine whether two genes are "turned on" at the same time. The researchers hope to make more colors, including orange and red, by introducing other mutations into ...End Of World Population Growth Projected For 21st Century
...past 80 years, may never double again,according to new population forecasts by the Population, Development andEnvironment Project at the International Institute for Applied SystemsAnalysis (IIASA). According to the projections, there is a 66 percent chance that the world'spopulation will not reach 11...New Software Provides Quick Analysis of ion-Channel Activity
...eng, Ph.D., postdoctoral research fellow. With the new software programs, named QUB, a researcher can discover in minutes how long it takes for an ion channel to change from one conformation to another. Previously, such measurements could have taken months. According to the UB researchers, this informati...Newly Discovered Gene Halts Cell Division and May Have Cancer Link
...inues haphazardly and can lead to the formation of new cells that are missing chromosomes -- an event tha...s may have defects in the gene, known as MAD2. The new discovery may open the door to finding more effective ways to treat such tumors. "We think the MAD2...Cholesterol Anchor Helps Signaling Proteins Direct Development
... production leads to birth defects in animals; the new work suggests that this may be because lack of cho...two years searching for what we thought might be a new molecule, this was like finding out Santa Claus is your dad--hard to believe at first, but after rev...Gene Discovery Could Overcome Aluminum Barrier To Higher Wheat Yields Worldwide
...he gene as part of eight years of work on locating new genes in wheat and rye. "A major objective has be...d genes that breeders worldwide can use to develop new high-yielding commercial varieties of wheat and rye," said Wotecki. Gustafson and colleagues made th...Six-Year Drilling Project to Uncover One Million Years of Earth History
...e cycle that occurs on the Big Island. The new project will build on results of the successful pi... 2.5 millimeters per year) than the volcano builds new flows. Fresh groundwater can be channeled to depths of more than 1,000 feet below sea level by chan...Changing Continental Runoff Patterns Could Change Ocean Circulation
...r sinking below less salty water. If runoff stops, new salty areas could form to produce new deep water formation sites. In today's oceans, deep water forms near the poles with cold water s...NCAR Scientists Trek To Africa For Biosphere-Atmosphere Chemistry Study
... debut for some specialized equipment, including a new isoprene flux sampler (built by NCAR's Alan Hills) that is "the world's best," according to Klinger. Isoprene, a fast-reacting chemical emitted by trees, plays an important role in the atmosphere's overall chemical balance. "Measuring isoprene is a k...North America Hit Hard By Asteroid Strike In Yucatan 65 Million Years Ago
...based extinctions great and small are notalike. A new study says the asteroid that struck Earth 65 million years ago andwiped out the dinosaurs was particularly deadly to North America because it hitthe Yucatan peninsula from the southeast at a 20- to 30-degree angle, spreadingthe devastating impact of ......ives in the mud in shallow water. Alarmingly, the new resident in San Francisco Bay has spread widely throughout the bay and is now found in large numbers at many sampling sites. The introduction of an exotic organism that spreads as rapidly as T. hadai is a matter of considerable concern, Sloan says. ...Northwestern Scientists Discover How Herpes Simplex Virus Infects Cells
...rmal immune systems and will lead todevelopment of new classes of antiviral drugs," said Patricia G. Spear, whoheads the laboratory at Northwestern where the discovery was made. Spear isthe Guy and Anne Youmans Professor and chair of the department ofmicrobiology-immunology at Northwestern. Herpes simpl...Antarctic Science Season Gears Up With Searches for Meteorites, Neutrinos, and New Life Forms
Spring in Antarctica heralds new U.S. science efforts on several fronts: a series o... galaxy. Such studies are at the forefront of the new field of neutrino astronomy. The array already offers some provocative results. From a sa...