Which came first, the moth or the cactus?
...hern Arizona. But his primary site for more than a decade is a desolate, 30-acre patch of desert straddling ...e. But in aiming to do that, I wound up spending a decade working on the population ecology of mutualisms, a prerequisite for then understanding this larger p...Conventional plowing is 'skinning our agricultural fields'
...eed 1 millimeter a year less than a half-inch per decade only in steep alpine terrain, and plowed fields erode at about the same pace as the Himalayas, home to the highest mountain peaks in the world. The paper supports arguments Montgomery put forth in a popular book, "Dirt: The Erosion of Civilizatio...Smithsonian scientists show differing patterns of rainforest biodiversity
...for more than three years and built on data from a decade of fieldwork in New Guinea. A key to the projects success has been local researchers. We have a group of Papua New Guinean scientists and parataxonomists working with us who are basically on the ground all the time and are really good biologists, Mil...Grapes, soy and kudzu blunt some menopausal side effects
...high blood pressure (hypertension) and diabetes. A decade ago, the standard treatment for these problems was long-term hormone replacement therapy (HRT). Since then, studies have shown that extensive use of HRT is associated with significant adverse effects. As a result, alternatives have been sought. Certa...AAAS analysis finds Congress would add billions to FY 2008 R&D investment
...under both House and Senate plans. NASA: After a decade of flat funding, overall NASA R&D funding would jump 9.8% under the House plan and 8.4% in the Senate. Both chambers would endorse large requested increases for the International Space Station facilities project, and the $3.1 billion Constellation Sy...National Ecological Observatory Network featured at ESA/SER Joint International Conference
...y a question and answer session. For more than a decade ecologists have wanted to create an observatory for understanding complex ecological processes at multiple scales-from biosphere dynamics to microorganisms in soil and water. Now they are preparing to build it. The National Ecological Observatory N...Cost-effective method for gene silencing is featured in Cold Spring Harbor Protocols
...RING HARBOR, N.Y. (Wed., Aug. 1, 2007) Nearly a decade ago, now-Nobel laureates Craig Mello and Andrew Fire discovered that they could insert short RNA molecules into worms and shut down specific genes. Today, scientists routinely use this powerful method, termed RNA interference, to study the functions...American buffalo slaughter fueled by international trade
...hter of some 30 million bison over the course of a decade was initiatied by a tanning innovation created in Europe, and maintained by a robust European demand for buffalo hides for use as industrial leather. Taylor used international trade records and first-person accounts of the hunt to show that that th...Presence of wolves allows aspen recovery in Yellowstone
...ones, that have grown from tiny shoots in the past decade to heights of more than seven feet a key point in their long-term survival, placing their crowns above the height easily browsed by elk and other animals. Tree growth in some stands has been particularly apparent just in the past 4-5 years. The lo...New role for protein in fat cells may improve understanding of obesity and diabetes
...l importance. Research performed during the past decade has shown that CETP affects how a type of fat called cholesteryl ester is moved from the blood plasma into cells. Since fat cells make abundant CETP, Morton and Izem decided to examine what CETP does inside a fat cell and what would happen to fat cel...Charting ever-changing genomes
...mes doesnt contain a lot of junk DNA, he adds. A decade ago, Arabidopsis was widely adopted by plant scientists as an easily manipulated model for other plants because it is simple to grow in the laboratory, has a short life cycle and a small genome. Compared to corn, which might have as many as 2.5 billi...Disease-free mosquito bred to disease-carrier can have all disease-free progeny
Blacksburg, Va. -- A decade ago, scientists announced the ability to introduce foreign genes into the mosquito genome. A year ago, scientists announced the successful use of an artificial gene that prevented a virus from replicating within mosquitoes. But how does one apply wha...Tough tubes -- Carbon nanotubes endure heavy wear and tear
...chnology. Despite extensive research over the past decade into the mechanical properties of carbon nanotube structures, this study is the first to explore and document their fatigue behavior, said co-author Victor Pushparaj, a senior research specialist in Rensselaers department of materials science and eng...Desertification: UN experts prescribe global policy overhaul to avoid looming mass migrations
...an Ginkel. UNU has led the argument over the last decade that such inter-linkages in policy formulations must be taken. Reforming policies to combat desertification also represent one of the worlds most expedient ways to sequester more atmospheric carbon and help address the climate change issue, says Za...ORNL-led team wins DOE bioenergy center
... a critical part of Americas efforts over the next decade to develop alternatives to fossil fuels. I am proud that Oak Ridge will continue to play a leading role in addressing one of the nations biggest scientific challenges. Tennessee Gov. Phil Bredesen noted that the DOE award comes two weeks after app...Cord blood may preserve insulin levels in children with type 1 diabetes
...d become increasingly attractive, Haller said. A decade ago less than 1 percent of Americans were banking cord blood; today, that figure has grown to about 4 percent and is rising, Haller said. Cord blood is rich with cells that help regulate the immune system but until now has typically been used to rest...Autism-related proteins control nerve excitability, researchers find
... nerve cells together, were discovered more than a decade ago by UT Southwestern scientists, but their function has been unclear. In the new study, which appears in the June 21 edition of the journal Neuron , the researchers found that one protein increases the excitability of nerve cells, while the oth...Arctic spring comes weeks earlier than a decade ago
...g way to spring weeks earlier than they did just a decade ago, researchers have reported in the June 19th is...studies have reported advancements of 2.5 days per decade for European plants and 5.1 days per decade across animals and plants globally.s Using the most co...5.9 million award gives UK aging research a new lease on life
...arkably rapidly. It is likely that during the next decade the nature of the major cellular and biochemical mechanisms that determine longevity and ageing will be identified." However, warns Professor Partridge, unless action is taken, the bulk of this research will all take place outside the UK. "Althou......ma back in 1979. He and Zucchi have spent the last decade studying their ability to generate the different structures that make up mammary glands. We initially started to work with LA7 cells because they retain considerable stem cell potential and, therefore, behave like normal adult stem cells. But it wasn...