Core Spins Faster Than Earth, Scientists Find
...ucture that slows downwaves in some directions and creates a "fast track"for seismic waves in a near north-south direction. More recentstudies also indicate that the "fast-track axis" isnot exactly north-south but is tilted slightly from the axis aroundwhich the Earth is rotating. The core's "fast axis"would...Methane Deep In Ocean Crust Could Feed Chemical-Hungry Microorganisms
...seawater or the atmosphere. For her analysis she creates paper-thin slices of rock and mounts them on a stage that heats them to 700 C or cools them to -200 C as she watches the minute bubbles of fluids through her microscope. By noting such things as the melting temperature of the ice formed, she can det...Purdue-Made Soil Benefits The Environment
... with poor-quality soil -- even sand and gravel -- creates a man-made topsoil that in preliminary laboratory tests outperformed local topsoil in terms of yield," she says. The main ingredients in the soil all come from Purdue and the surrounding area. The coal ash comes from Purdue's Wade Utility Plant, whic...Merging Physics And Neuroscience: First Evidence Of Self-Organized Criticality In Brain Networks
...munity. In brain cells, random firing of neurons creates noise thatmoves the system toward criticality, Jung explained. Without thenoise, the system would remain balanced and create no waves. Adding quantities of neurotransmitter to the brain system increasesthe firing rate and therefore the formation of ......entionalbreeding, Cook noted. "This policy creates a major disincentive for all but a few companies,and will force most companies to abandon efforts to develop genetic alternativesto chemical pesticides," stated John Sanford, Ph.D., president of SanfordScientific, Inc. (SSI), during the workshop. SS...UW Smogmobile Offers Cleaner, Safer Alternative To Gas Or Electric Cars
...obile generates no harmful emissions and actually creates an opportunity for pollutants to be removed from the air as its fuel is produced. "If you're going to talk about a truly non-polluting car, you have to do something different than gas or electric," explains Abe Hertzberg, professor emeritus of aerona...Second Gene Responsible For Tuberous Sclerosis Complex Identified
...rosis are moderately to severelyaffected, and this creates lifelong worry for parents and physicians alike,"said Dr. Kwiatkowski, of Harvard Medical School and the paper's lead author. "We plan to now turn our efforts toward comprehensive analysis of the mutationsthat occur in TSC1 and TSC2, understanding th...Wonder Thread: UD Scientists Report First Protein With Collagen And Elastin-Like Domains
...ssible, Waite speculates, that the missing glycine creates a 35-degree "kink" or bend in the collagen. But, he adds, "how that might contribute to the stretchiness of the protein is anybody's guess." Two histidine-rich domains, located at each end of preCol-P, may play a role in forming protein-zinc complexe...New Ultrafine Metal Powder Production Process
...he laser. As a laser burst hits the liquid, it creates a tiny "hot spot" where the silver nitrate and reducing agent can react. The result is a tiny particle of silver. Singh can control the size and, to an extent, the shape of the particle by altering the laser energy, rotation speed and ...Are CDC's 1997 Recommendations For Targeted Lead Screening Of Children Justified?
...ly among poor, inner-city people of color and also creates a falsesense of security among higher socioeconomic status groups. CDC writes that screening decisions should always be based on the levelof risk in the population to be screened and that it is not sound public healthpolicy to continue to emp...Transgenic Mice Created By Researchers May Shed Light On Human Heart Disease
...mponent of muscle tissue and "molecular motor"that creates the energy and motion to allow heart contractions to occur. Healthy humans have two copies of the normal gene for myosin whilepeople with the disease have a mutated form, just as the mice do, saidLeinwand. To create a transgenic mouse, the r...UF Researchers: Development Promotes Disease Among Gopher Tortoises
...sing habitat increases contact among tortoises and creates a greater chance of spreading Upper Respiratory Tract Disease, which destroys the respiratory tract and olfactory senses. "This is an ideal situation for the spread of most infectious diseases," she said. Paul Klein, a UF professor of...Low B Vitamin Levels Common In Many People Linked To Increased Heart Disease, Stroke Risk
...erol. Cholesterol builds up in the blood vessels, creates fatty deposits, or plaque that can unleash blood clots that trigger a heart attack or stroke.The current study expands on previous research and shows that both vitamin B-6 and folic acid deficiency may be more commonplace in the population with heart...Pitt Researchers Develop Strategy To Use Dendritic Cells To Treat And Prevent Tumors
...interaction betweendendritic cells and tumor cells creates an immunogen that can stimulate immuneresponses against the tumor, but based on these results it appears that even abrief association between dendritic cells and tumor cells results in a vaccinethat can be therapeutic," commented Dr. Falo. "We suspe......d by atherosclerosis, the same diseaseprocess that creates the fat-filled plaques that clog coronary arteries, theblood vessels feeding the heart. Isner, senior author of the Circulation paper, presented findings on theuse of the gene for human vascular endothelial growth factor (VEGF) on eightpatien...Extra Choline During Pregnancy Enhances Memory In Offspring
... more easily -- similar to the way that rain water creates afurrow through soil upon repeated downpours, enabling even a small trickle tofind its way more easily. If further research confirms the findings in humans, then choline couldpotentially be used to ensure normal memory function in the po...ASU Scientists Make Major Breakthrough With Photosynthetic Energy
...utside of a cell to the inside. The pumping action creates an imbalance in proton concentration across the membrane, causing the protons to flow through a protein and generate biological energy. Gust said, "The focus is on how to capture solar energy and convert it to a useful form in the same way that pho...Study Shows Zebra Mussels Can Colonize Sand And Mud
...d creating a mat of cemented sediment. “This creates a hard substrate,” Berkman said. “By bin...glomerate,subsequently settled by juveniles, which creates a bed of zebra musselson the lake bottom.” Researchers used side scan sonar (SSS), a device th...Biggest Acoustics Meeting Ever
...d. Aiming ultrasonic waves at a liquid-filled tank creates bubblesthat implode and generate highly reactive ions known as free radicals. The free radicals can then attachthemselves to chemicals in the tank, and initiate chemical reactions. Scientists envision that sonochemistrycan become an environmentally f...... by computer screens and hard drives, Bernie Engel creates and analyzes digital images that help keep Indiana ground water clean. Engel, a Purdue University agricultural engineer, combined a computer model with geographic information systems (GIS) data from satellites to develop a plan to keep agricultur...