Methane Deep In Ocean Crust Could Feed Chemical-Hungry Microorganisms
...-- that are present when magma chambers are filled with liquid rock. As the rock and tiny bubbles of thes... The high temperatures cause the seawater to react with the surrounding rock and fluids to evolve into methane-rich compositions. The process can take thou...Scientists Discover Smallest Frog
...thern Hemisphere, and is tied for the world record with the smallest frog in the Southern Hemisphere, says...he tetrapods, a grouping that includes all animals with backbones except fishes. Scientists S. Blair Hedges of Penn State and his Cuban colleagues d...World's Experts Plan Global Locator Service For Environmental Information
...rch many separate sources. We may not be satisfied with just scanning World Wide Web pages, just accepting...tronic networks, and is positioned to evolve along with rapid advances in information discovery and natural language processing." The standard adop...Robots, Virtual Reality & Other "Smart" Tools Soon Will Help Physicians Heal Patients
...ing about replacing physicians, but providing them with more precise tools that take advantage of physicia... coupling the power of these emerging technologies with human skills, we hope to improve our patients' outcomes. Reducing complications and making procedure...Disease Resistance Mechanism Identified in Plants
...-and-key mechanism at the molecular level involved with the plant's ability to recognize and mount a resis... Once inside the plant cell, it directly interacts with the tomato plant's Pto resistance gene. To test this, the researchers first inserted the avi...Christmas Bird Count: Another Holiday Tradition
...v/bbs/cbc.html And when others are stuck with a mere partridge in a pear tree, you can sing about significant increases among eastern bluebirds, American crows, and American goldfinches and declines of bobwhites, loggerhead shrikes, field sparrows, and mockingbirds. Come Christmas morni...Mechanism For Disease Resistance Identified In Plants
...-and-key mechanism at the molecular level involved with the plant's ability to recognize and mount a resis... Once inside the plant cell, it directly interacts with the tomato plant's Pto resistance gene. To test this, the researchers first inserted the avi...Researchers Find How Disease-resistant Plants Recognize Bacteria
... the cell wall. Experiments in Martin's laboratory with the bacterium that causes bacterial speck disease in tomato confirmed that this is the mechanism for bacterial infections in plants. Martin and his colleagues found that after the bacterium infects the plant cell, the plant recognizes the invasion by...Urbanized Watersheds More Sensitive To Climate Change
... area, De Walle is comparing five urban watersheds with five rural watersheds. Analysis of data for the n...lete. "It is obvious that stream flow increases with an increase in precipitation, but in the Northeast, we find that with a higher population and the s...Pinpoint Gene Control Holds Promise For Nervous System Studies
...by inserting extra NGF genes into their DNA, along with a"stop" DNA sequence that kept the genes turned of...s been knocked out for life.But this can't be done with genes that are vital fordevelopment, such as NGF: Knocking them out in an animal that isstill develo...New Finding Suggests "HATs" Are Key To Gene Activation Puzzle
... Allis, a professor of biology who madethe finding with post-doctoral fellows Craig Mizzen and JamesBrownell at Rochester. "Gene activation at the right time and place is critical for cell survival and properdevelopment. Scientists have proposed many different mechanisms for how genes are turned on. Our f...Prostate Cancer May Be Predicted 10 Years Before Diagnosis
...otal PSA levels on stored, frozen sera from 26 men with no history of prostate disease (control), 29 men with BPH, and 23 men with prostate cancer. All men in this study are participants in the BLSA, a longitu...A Sensor, A Switch, A Zipper: Protein Engineers Design Potential Tool
...tside signals. The scientists predict that with further refinements, their protein may one day be ... molecule, benzene, the two helices intertwined with a third to create a triple-helical coiled coil. This structural change could enabl...Proteins Interacting With RNA And DNA Are Surprisingly Similar
...ights specifically about the protein's interaction with RNA,which couldshed light on how the antibiotic di...me. The10-year awards are given only to scientists with a record ofoutstandingcontributions and for work that has excellent future potential.The award wasis...ORNL Mice Helping Researchers Isolate, Identify Causes Of Cancer
...lar probesfor the retroviruses provide researchers with "tags" to identify genes thatcause cancer. By stud...altered by the retrovirus. In addition to her work with murine leukemia retroviruses, Justice hasdiscovered a direct correlation between Chediak Higashi Syn...New Nonviral Gene Therapy System Could Help Fight Cancer
...c processoutside the nucleus. The system is loaded with everything it needsfor gene expression, including ... use only gene DNA,the T7 method uses DNA prebound with T7 RNA polymerase -- aprotein that causes the gene to begin producing RNA, an importantstep in prote...ORNL Microscope "Sees" Bumps That Reveal Partial DNA Structure
...ow carpet and seeing a long, brown, 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 using an atomic force microscope (AFM) to image a serpentine strand of DNA. And when they get th...Selenium Supplements Can Reduce Cancer Rates
...-blind, placebo-controlled cancer prevention study with humans that directly supports the thesis that a nu...he researchers recruited 1,312 randomized patients with histories of skin cancer at seven dermatology clinics located in low-selenium areas of the United St...Moving DNA Molecules With Magnetic Tweezers
...may soon magneticallymove a microscopic sac filled with cancer-killing medicinethrough a patient's veins, ...rk are already familiarto any child who has played with a magnet. If you place a sheetof paper over a steel button, then hold the magnet on top of thepaper,...Bog Beetle, Misidentified For 85 Years, Is 'Discovered' At Cornell
...w remained mixed into the Cornell collection along with another extremely common beetle species that's bee...ince 1823." Through careful anatomical comparisons with known species from North America, Europe and Asia, assisted by colleagues Smithsonian Institute in W...