Computer Program For Quicker, More Detailed Mapping
...am eventuallyfell by the wayside. "We built a car around an engine, and then changed the engine,"said McKusick. McKusick and colleagues modified the original program in steps, graduallyreplacing the very precise, but time-consuming and expensive parts. At everypoint, they evaluated its success to make sur...From Corn Rootworms To Art, Cornell's Reactor Is At The Core
...film of their corn roots and the rootworms in soil around it. The technique is called neutron radiography, and professors from art historians and agronomists to zoologists can use it to get detailed pictures that X-rays cannot produce. It is the first time neutron radiography has been used to study insect...New Discovery About Genes Has Implications For Genetic Therapy
...the function of a gene. "These introns can move around from place to place on the gene and spread themselves by inserting into different genes. They do this naturally," Lambowitz said. "We were interested in the mechanism by which they do this." He said that the mechanism involves integration of the i...Cornell Researchers Precisely Date Wood From Ancient Tomb In Turkey
... had long believed the Thera eruption had occurred around 1500 B.C., but more recent studies have strongly s...trip pasted below begins at 362 A.D. and stretches around the corner to the present. Such simple displays belie the sophisticated technologies that are used ...Honeybees In The Wild Nearly Gone In North America
...ger of extinction. Beekeepers arestill maintaining around 3 million colonies in the United States,"Tew said. "What's much closer to extinction, however, isthe unmanaged population of honeybees." The European honeybee, which was brought to the United Statesin the 1600s, is the country's most important bee fo...Core Spins Faster Than Earth, Scientists Find
...eastward.Over the years, it traces a circular path around the north poleand moves to different positions relative to the Earth's mantleand crust. This basic feature allowed the Lamont scientists tomake their discovery. Dr. Songand Dr. Richards studied seismic waves from 38 earthquakes thatoccurred between ...Hawaiian Whales Show 'No Overt Response' To Sounds Of ATOC Simulation
...ing the ATOC non-transmission periods, the Pacific around the Hawaiian islands is hardly a quiet place, Fra...rd sounds, and which is now adapted by researchers around the world -- not only to analyze vocalizations of animals of all kinds, but also seismic events, inc...Duke Ecologist Says Logging Is Creating 'Mahogany Deserts'
..., when the virgin timberbegan running out starting around 1900, foresters assumed they could growreplacement mahogany in same-species plantations. But mahogany plantations in the Americas have not lived up to expectations,she said, mainly because of the shootborer caterpillars that thrive allyear in the tr...End Of World Population Growth Projected For 21st Century
... will probably increasefrom today's 5.8 billion to around 7.9 billion in 2020, 9.9 billion in 2050, and10.4 billion by 2100, according to the Project's forecasts. However, four worldregions – Pacific OECD countries, Eastern Europe, Western Europe, and theEuropean part of the Former Soviet Union – ...Newly Discovered Gene Halts Cell Division and May Have Cancer Link
...gether at structures, called centromeres, that fit around each chromosome like a napkin ring. In order for a cell to divide, thread-like fibers must attach to each centromere and pull the chromosomes apart. That's where the MAD2 gene comes in. The research suggests that MAD2 produces a protein that sits at...Gene Discovery Could Overcome Aluminum Barrier To Higher Wheat Yields Worldwide
...id. "It limits crop productivity on a large scale around the world." Overseas and in this country, about 5 ...developed a new test that will help plant breeders around the world find rice plants that have genes for greater resistance to zinc deficiency. Sulfides form...Six-Year Drilling Project to Uncover One Million Years of Earth History
..."Researchers from more than two dozen universities around the world will be involved in the project, which w...ples recovered, as well as properties of the rocks around the bore hole, to determine how the volcano was formed, types of volcanic activity that have occurre...NCAR Scientist Models Earth's Climate and Vegetation Patterns At Last Glacial Peak
...the climate by several degrees. "The plants we see around us today had 21,000 years to adapt to a several-de... the earth's axial tilt, its precession (or motion around the tilted axis), and its elliptical orbit around the sun. The cold temperatures of the last glacial...North America Hit Hard By Asteroid Strike In Yucatan 65 Million Years Ago
...orbital speed, across North America and eventually around the globe. "It was like a nuclear explosion taken north on a jet-powered sleigh ride,"Schultz said. "This was indeed the day the Earth shook." As evidence, the researchers show that the horseshoe-shaped Yucatan cratermatches the structure of craters......irst time one of these tiny organisms has traveled around the world, the scientists say. It is likely that there are a number of introduced microorganisms in the worlds' estuaries that just haven't been noticed yet. Some of the species previously reported as natives might in fact have been introduced befor...Antarctic Science Season Gears Up With Searches for Meteorites, Neutrinos, and New Life Forms
...Sea Life The growth and retreat of sea ice around Antarctica is one of the world's great seasonal ev... such plants reacting to the 50-year warming trend around the Antarctic Peninsula? Thomas Day of the University of Arizona and his team will study the impact...Medicinal Leech May Offer Clues To Neural Regeneration
...the inhibitor showed tight gatherings of microglia around the area of injury, while those treated with the inhibitor showed a scattered distribution of microglia, spread well beyond the site of injury. Sahley now has several experiments under way to test whether NOS acts as a "stop sign" to hold microglia a...Plants Have Future As Environmental Clean-Up Agents
... total cost of the bioremediation isexpected to be around $15,000. But the aesthetic qualities of bioremediation were also anattraction. Feyerharm said the planting of the trees will helpcontrol erosion problems and attract wildlife, something traditionaltreatments wouldn't do. "We think this a no lose op...New Sensor Provides First Instant Test For Toxic E. coli Organism
...ractions. When these toxins areproduced, they hunt around for places to bind. When they find the rightreceptor site, they attempt to bind. This activity in humans causes disease.In the sensor, it is what triggers the color change." The backbone of the sensor molecule is composed of a long diacetyle...Methane Deep In Ocean Crust Could Feed Chemical-Hungry Microorganisms
...nd cracks, seawater rushes in and the rock "heals" around tiny amounts of the liquid. The high temperatures cause the seawater to react with the surrounding rock and fluids to evolve into methane-rich compositions. The process can take thousands of years. Kelley says that the second process could be per...