New Sensor Provides First Instant Test For Toxic E. coli Organism
Researchers have developed a sensor that, for the first time, can instantlydetect the presence of toxic E. coli bacteria. Contamination by this bacteriais responsible for recent illness...Scientists Identify Gene For Sexual Behavior In Male Flies
... of scientists from four universities has isolated the gene thatcontrols most or all sexual behavior in male fruit flies. Their researchis the first to pinpoint a single gene that works in the brain to governnearly all aspects of a complex beh...Methane Deep In Ocean Crust Could Feed Chemical-Hungry Microorganisms
...se of nutrients needed by microorganisms living at the seafloor and, possibly, deep within the earth's crust. Microorganisms in the ocean depths thrive where there is no light and dine on chemi...Scientists Discover Smallest Frog
...ew frog discovered in Cuba by scientists funded by the National Science Foundation is the smallest in the Northern Hemisphere, and is tied for the world record with the smallest frog in the ...World's Experts Plan Global Locator Service For Environmental Information
Experts from around the world have agreed on a standard for locating infor...r held in libraries, data centers, or published on the Internet. This lays the foundation for a virtual library of environmental data and information that ...Robots, Virtual Reality & Other "Smart" Tools Soon Will Help Physicians Heal Patients
...hree-dimensional images projected onto patients in the operating room; and physicians thousands of miles ...provide more precise information and procedures in the doctor's office and the operating room," says Gilbert Devey, a National Science Foundation (NSF) pro...Disease Resistance Mechanism Identified in Plants
...r plant disease resistance has been identified for the first time by researchers funded by the National Science Foundation (NSF). Studying "bacterial speck disease" in tomatoes as a model...Christmas Bird Count: Another Holiday Tradition
...watchers, 30 years of counting is now available on the World Wide Web. Nearly 50,00 people each year volunteer their time on behalf of the National Audubon Society to record sightings of birds at Christmas time, providing the raw data for ...Mechanism For Disease Resistance Identified In Plants
...r plant disease resistance has been identified for the first time by researchers funded by the National Science Foundation (NSF). Studying "bacterial speck disease" in tomatoes as a model...Researchers Find How Disease-resistant Plants Recognize Bacteria
...duced by a disease-causing bacterium, which alerts the plant's various defense mechanisms. "By understanding the mechanism of disease resistance in plants, we hope to improve the stability of their resistance, and...Urbanized Watersheds More Sensitive To Climate Change
...flow to climate change. Using population data from the U.S. Census Bureau, precipitation information from the National Weather Service and stream flow data from the U.S. Geological Survey, he is looking at fou...Pinpoint Gene Control Holds Promise For Nervous System Studies
...stem whenever and wherever they want.Scientists at the University of Rochester report in the Januaryissue of Nature Biotechnology on the first demonstrationof the technology: permanently turn...New Finding Suggests "HATs" Are Key To Gene Activation Puzzle
...have uncovered evidence that adds significantly to the developingpicture of how genes are activated. The findings from the University ofRochester and National Institutes of Health (NIH) researchers appear in the December 27...Prostate Cancer May Be Predicted 10 Years Before Diagnosis
Repeated measures of the ratio of free to total prostate specific antigen (...diction methods. This discovery by researchers at the National Institute on Aging (NIA) and colleagues at the Johns Hopkins University School of Medicine ...A Sensor, A Switch, A Zipper: Protein Engineers Design Potential Tool
Heralding a major advance in the field of protein engineering, scientists at the University of California, Berkeley have designed a protein that toggles between two ...Proteins Interacting With RNA And DNA Are Surprisingly Similar
...ss of proteins that bind to DNA. The proteins have the same general shape, and they use a similarmethod t...unctions, and they attach todifferentstructures -- the double-stranded, ladder-like DNA, and thesingle-strandedRNA. "You don't expect RNA-binding proteins...ORNL Mice Helping Researchers Isolate, Identify Causes Of Cancer
...for beingquiet, but they're telling researchers at the Department of Energy's (DOE)Oak Ridge National Laboratory (ORNL) something about the causes of leukemia,lymphoma and other illnesses in people. "Lymphomas that develop spontaneously in ...New Nonviral Gene Therapy System Could Help Fight Cancer
...rsity. The system, developed by scientists in the university'sEdison Biotechnology Institute, allows genes to be expressedoutside the nucleus of a cell, making it easier for scientists to getdisease-fighting genes into tumor cells. ...ORNL Microscope "Sees" Bumps That Reveal Partial DNA Structure
...wn, sinuous thread with an occasional knot. That's the picture scientists at the Department of Energy's (DOE) Oak Ridge National Laboratory (ORNL) get on a computer screen when usin......g a placebo, a new study by Cornell University and the University of Arizona shows. "Although more than a...nked high selenium status and cancer risk, this is the first double-blind, placebo-controlled cancer prevention study with humans that directly supports th...