Duke Researchers Discover Central Role Of Nitric Oxide In Hemoglobin Action
...to date, butthe ones that have been discovered are powerful forms of NO, he said. Forexample, SNO can kill invading bacteria or microbes. Free NO cannot, saidStamler. "We always knew that the hemoglobin complex had two reactive arms,a heme and a cysteine, to which other molecules could attach, but no...Computer Program For Quicker, More Detailed Mapping
...t the Stanford Human Genome Center have developeda powerful new computer program that can map thousands of genetic markersat once. Using this program, called Mapper, scientists have obtained oneof the most accurate views yet of the human genome as a whole. "These maps have better resolution in local areas th...Children Become Gorillas In VR Zoo
...servation ARC, agreed. "This project represents a powerful educational tool," she said."The partnership of advanced technological capabilities and accuratebehavioral information from zoo researchers can allow children to trulyexperience the dynamic social world of these fascinating creatures." The project a...Core Spins Faster Than Earth, Scientists Find
...ithin the Earth's liquid core generatethe planet's powerful magnetic field, which in turn drives theinner core in the way that can now be observed. Abouta billion amps of current is flowing into and out of the innercore, across the boundary between the inner and outer cores. Thiscurrent, in the presence of a ...Harvard, Duke Researchers Discover 'Off-switch' Inside Human Cells
...experiments revealed that RGS10 did appear to be a powerful inactivatorof several different kinds of activated G proteins, removing a phosphatefrom the G protein to transform it to an inactive state. The Harvard-Duke team is now performing further experiments to understandhow the action of RGS10 itself is re...Green Glow: Not Only For Halloween
...cellular biologists have turned this marvel into a powerful research tool used to illuminate the workings of genes and follow the wanderings of protein molecules inside a living cell. The source of the green glow is a unique protein, called green fluorescent protein (GFP), found in a Pacific Northwest jellyf...New Software Provides Quick Analysis of ion-Channel Activity
...this information will provide biophysicists with a powerful tool useful for both basic and applied research. Sachs explained that better information on these proteins could make a tremendous difference in drug design, particularly for conditions where ion channels are implicated. For example, in people who ...NCAR Scientists Trek To Africa For Biosphere-Atmosphere Chemistry Study
... expanse of land near the equator, Africa exerts a powerful influence on tropical and global air chemistry. Huge stretches of African savanna and rainforest are burned each fall and winter for agricultural and territorial purposes. The fires produce large amounts of hydrocarbons and oxides of nitrogen, which ...Scientists Trek to Africa for Biosphere-Atmosphere Chemistry Study
...ts vast expanse of land near the equator, exerts a powerful influence on tropical and global air chemistry. Huge stretches of African savanna and rainforest are burned each fall and winter for agricultural and territorial purposes. The fires produce large amounts of hydrocarbons and oxides of nitrogen, whic...Duke's Russian Laser Making Ultraviolet Light And Gamma Rays
...o Duke in May 1995to take advantage of a much more powerful 1.1 billion electron volt electron"racetrack" at D...t now becomes "theshortest wavelength and the most powerful ultraviolet wavelength FEL inthe United States so far," said Vladimir Litvinenko, the Duke associate...Bigger Biology Tackled Through Keyboards
...entists in the field, the paper reviewsthe role of powerful computational tools in studying ecology, genetics andevolution, infectious diseases, and immunology and virology. "Math and computation are playing greater and greater roles in addressingcontemporary biological problems," says Simon Levin, director ...The CIA Would Like To Know What Scientists Are Seeing Over The Rainbow
...f Oz, wizards of a different sort have concocted a powerful new way to visualize the full set of human chromosomes in a rainbow of colors. The new technique, called "spectral karyotyping," translates computer-gathered light waves into a full-color palette and assigns each chromosome its own distinct hue. Wi...Researchers Corral Millions Of Microscopic Membranes
...structure of membrane proteins. One of the most powerful methods for determining the structure of proteins is X-ray crystallography. For this method to work, however, researchers must purify and crystallize the material. This has proven very difficult for proteins associated with membranes because they can...Purdue Study Aims To Boost MRI Capabilities
...gnetism of the protons partially lines up with the powerful static magnetic field that is always present insid...fort to patients. The apparatus consists of a very powerful gradient amplifier assembly and magnetic coils to produce pulsed magnetic fields of greater intensit...NIH Team Discovers Endocrine Tumor Gene
...search for the MEN1 gene. NHGRI scientists used a powerful gene-hunting technique called positional cloning t...15 different families. The researchers applied a powerful method of searching for mutations called dideoxy fingerprinting. If no mutations were found, a cand...Everyday Technology Underlies First DNA Computer Logic Gates
... logic gates could dwarf that of the world's most powerful supercomputer, which is the size of a house. Ogihara believes DNA will prove useful on problems that now require vast networks of computers, such as forecasting the weather, designing airplanes, or cracking complex security codes....New understanding of crab populations may not bring fishermen's delight
... current model takes five days, round-the-clock,of powerful computer time. Higgins and Hastings expect the mathematical results for this systemto influence efforts to understand other systems, such as the stock market....Subtle Biotic Changes Have Big Environmental Impact
..., authored the report. "Biological processes have powerful feedbacks to processes that are normally thought to be purely physical or chemical in nature." While lakes occupy a very small area of the planet's surface, the discovery that simple biotic change is capable of altering the exchange of carbon bet...Evolution Re-Sculpted Animal Limbs By Genetic Switches Once Thought Too Drastic For Survival
Extremely powerful genes that govern the shape of an embryo from the ...e new capabilities because they are attachedto the powerful muscles and the nervous system of the thorax. Crustaceans thathave them include the decapods--shrimp...Where Fossils Fear To Tread: Scientists Follow Genes To An Ancient Ancestor
...e. But Carroll and others are now finding powerful evidence that an ancient common ancestor - a worm-like animal from which most of world's animals subsequently derived - invented a set of body-building genetic machinery so successful and malleable that it has survived to this day. "This is ...