Study Shows Songbirds Switch From Bugs To Berries To Fuel Fall Migration
...ecently reported declinesin their numbers." During three fall migrations on Block Island, R.I., Parrish and volunteersnetted 7,000 songbirds and analyzed more than 1,600 of their droppings todetermine their diets. In reports to be published in Studies in AvianBiology and tentatively accepted for publicat...Duke Primate Center Sets October Expedition To Find 'Juliet'
...t within a decade. The expedition aims to capture three diademed sifakas -- a mate for Romeoand another br...therTitania and another unrelated male Oberon. The three animals were the firstdiademed sifakas ever brought into captivity outside Madagascar. Oberon arriv...Major Plant Genome Research Project Underway
... the Department of Agriculture (USDA), have funded three groups of researchers to begin systematic large-sc...e results for years to come." Although the three groups of researchers selected for the current research grants are supported by separate awards, eac...Green Glow: Not Only For Halloween
...collapse of one turn of the coil to form a ring of three amino acids." The researchers chose to study the modified GFP because it is more useful for cell biologists, glowing much more brightly than the natural variant. In a second experiment, the researchers deliberately changed one amino acid in ...End Of World Population Growth Projected For 21st Century
...(under the most likelyscenario). "Within less than three decades, China's old-age dependencyburden will be higher than North America's and about the same as that currentlyin Western Europe," explains Lutz, adding that to avoid serious problems inits pension system, China must take immediate and intensive a...Researchers Find Genetic Clues To Intestinal Disease
...ntestine and severe diarrhea, may appear in one of three forms: 1) a relatively mild form that remains localized in one area of the intestine; 2) intestinal scarring that eventually causes blockage of the intestine; and 3) a more dangerous form that sometimes perforates the intestinal wall. In one study, ...Gene Discovery Could Overcome Aluminum Barrier To Higher Wheat Yields Worldwide
...rtment of Agriculture scientist and colleagues in three other countries have found a gene in rye that could help wheat, a major food staple, grow on millions of acres worldwide that are now hostile to the crop. Plant geneticist J. Perry Gustafson of USDA's <A HREF="http://www.ars.usda.gov">Agric...Six-Year Drilling Project to Uncover One Million Years of Earth History
... the successful pilot drill hole project completed three years ago near Hilo. Studies from that work showed that Hawaii's major volcanoes may be active for periods of almost a million years, nearly twice as long as previously thought. Additional findings of interest are that: The frequency of eru...'Juliet' Evades Primate Center Expedition
...ues exploredthe area where Romeo had been captured three years ago, they found a heavilylogged forest with ...onger we were there,Charlie will spend only two or three days at a time in the forest,"Glander said. The aim of the expeditions is to capture a mate for Rom...NCAR Scientists Trek To Africa For Biosphere-Atmosphere Chemistry Study
...ists have made several trips to Africa in the past three years to take preliminary air samples, install instruments, and make arrangements for this fall's field campaign. These visits spanned the entire transition zone from savanna to rainforest, which runs from the northeast CAR (around 8 degrees N) to th...Antarctic Science Season Gears Up With Searches for Meteorites, Neutrinos, and New Life Forms
... 145 Antarctic investigations, based mainly out of three research stations during Antarctica's summer, from...ree that archea, or archeobacteria, are one of the three major branches of life, in addition to bacteria and eukaryotes (the latter embracing plants, animals...Scientists Identify Retrovirus-Like Components In Corn Genome
...ore than 60 percent of the genome, which is two to three times more than what we would have expected to find." Though scientists don't know how or why such segments of DNA accumulate in the genome, the fragments are thought to be generally harmless, Bennetzen says. In the study, Bennetzen's group analyzed ......er observed a whirling visual pattern. After about three minutes, the scanner sent data over a high-speed network to 128 processors of the CRAY T3E at PSC's machine room in Monroeville, Pa., which sent it back in about two minutes as a 3-D realistic picture of the subject's brain -- visualized on the conve...Sea Turtles Have Favorite Oceanic Routes
...r difficult. Attached transmitters lasted between three and 87 days, but that was enough time to provide the researchers the first record of the turtles' preferred path. Efforts to save the leatherback turtle -- an endangered species -- have focused on their nesting areas and, hence, nesting females. Morr...Researchers Develop Model Using Birds As Indicator Of Wetlands Health
...rences in five Indiana and Ohio wetlands aswell as three Cincinnati parks for a dry land comparison. Colemanused his own observations as well as the records of well-knownbirders. With Styer's help, the two then developed a mathematicalformula which can be used to evaluate the ecological condition ofwetland...No Such Luck: Nitrogen From Air Pollution Unlikely to Moderate Global Warming
...s of experimentally added nitrogen in 162 plots in three Minnesota grasslands. "We added nitrogen at rates equivalent to what's deposited from the atmosphere in Minnesota and the Ohio Valley, right up through the amounts of highly agricultural and industrial areas of Europe," said Tilman. "Two of our nine...Fast Measurement Technique Reveals Early Steps In Protein Folding
...locks of proteins. In the second phase, whichtakes three to four microseconds, the helixes "hunt for and hook into"their appropriate locations in the protein chain, Gruebele said. At thatpoint, the collapse phase of the folding process is complete. "Before we conducted our experiments, many researchers th...Florida Company Using ORNL Technology For Revolutionary Wheelchair
...orp. of Bristol, sits atop a platform propelled by three sphericalcasters. A spin-on-itself turning capability eliminates the wide turningradius typical of conventional power wheelchairs. "These revolutionary maneuvering characteristics maximize operatingefficiency by eliminating wasted moves, time and pow...Environmental Impact Statements Need To Be Made Easier To Decipher
...vels jumped to more than 80 percent in each of the three areas of comprehensionmeasured in the initial tests. "The results offer considerable hope for citizen involvement in theEIS process," Kuo said. "Although the original project descriptionyielded very little understanding, the two modifications had co...Methane Deep In Ocean Crust Could Feed Chemical-Hungry Microorganisms
...e the first-ever isotopic work on rocks from layer three and the methane does not appear to come from the b... the oceanic crust. Even though the rock of layer three may contain only minute bubbles of methane, the amount becomes significant when considered over such...