Transgenic Rice Plants Resist Insects, Drought And Salt Damage
...il 1996 issue of the journal Nature Biotechnology, marks the first time that useful genes were successfully transferred from a dicotyledonous plant, the potato, to rice, a monocotyedonous plant. The potato genes cause rice plants to produce a protein that interferes with insects' digestive process whenever...Restoring Farm Land To Natural Wetlands Key To Stemming Flood
...the use of the river has left emotional high-water marks on residents ofriver communities, Schneider said. Schneider became interested in that history while studying current policies,practices and traditions along the Illinois River. "I knew that leveesweren't always there," he said, which led him to wond...Evolution Re-Sculpted Animal Limbs By Genetic Switches Once Thought Too Drastic For Survival
...dually evolved improved body parts. Today'sfinding marks the first time that changes in the control of homeotic genes havebeen shown to underlie an evolutionary trend leading to novel body structures. Nipam Patel, assistant professor of organismal biology and anatomy in theUniversity of Chicago's Howard Hu...Insulin Resistance Is A Risk Factor For Atherosclerosis In Whites And Hispanics
...t that treat insulin resistance. The study marks an expansion in the use of ultrasound to detect diseasebefore symptoms appear. "Typically ultrasound is used on sick people," Howardsaid. "But it's also a good device to measure disease in the generalpopulation."......per burrows and leaving the lower onesintact. The marks of the dinosaur trackways themselves were not preserved, dueto the lack of fine-scale structure in the sandstone. The third type of sandstone is the one in which all of Ukhaa Tolgod's hundredsof fossil have been found, and it drew particularly close...Divorce, Insect Style: Termites Swap Mates
...ling, biparental termite Zootermopsisnevadensis marks the first scientific documentation of behavior called"mutual mate choice" among insect pairs that cooperatively provide long-termcare for their young. "Having second thoughts and choosing a better mate to share the heavy investmentin parental care ...Low B Vitamin Levels Common In Many People Linked To Increased Heart Disease, Stroke Risk
...you take homocysteine levels into account, low B-6 marks out people with heart disease and stroke." That "something" remains a mystery, but in other studies animals given a vitamin B-6-deficient diet have developed disease, he says. The mechanism for the blood vessel damage is unclear, although other re...Biochemist Solves Riddle Of Collagen Stability
...reakdown in the body," Raines said. "This research marks a fundamental change in how we understand the structure and stability of collagen." Collagen is an abundant protein found in skin, bone, cartilage and tendons. It forms strong fibers and serves as a connective tissue between cells. If scientists can ......al building blocks of the double-stranded DNA) and marks them byhybridizing to them. Using this process, the marine scientists were able to discover, totheir surprise, that up to 30 percent of the bacterial genes present at a numberof locations off coastal Georgia over a three-year period were from...Molecular Marker May Identify Bladder Cancer Patients Most Likely To Recur
...sor of urology atUSC School of Medicine. The study marks the USC/Norris team's latest finding from the emerging field ofmolecular diagnostics. By focusing on the nature of genetic changes in cancercells and how these changes relate to the clinical course of disease, scientistshave begun to forge new tools ......nto gorillas, chimpanzees and humans. This theory marks a significant departure from the long-held view that theevolutionary history of the lineage leading to humans was confined to theAfrican continent. A theory similar to Stewart and Disotell's was proposed morethan 25 years ago by pioneering molecular ...New Rehabilitative Device Combines Form And Function For Children With Mobility Impairments
...flecks on the polycarbonate tubing help hide scuff marks andfood stains." Placement is another departure from the norm. "Many prone standersprovide too much support, and the child ends up being hung by hisarmpits," said Alan Harp, another CRT industrial designer who worked onthe project. When this happens,......osure early in life to Christian Science. The book marks a departure forAvise, whose earlier work in evolutionary genetics has made him aninternationally recognized scholar. As Avise notes in the books's preface, the sciences of evolutionarybiology and genetics have blossomed in recent decades. In...Fewer Songbirds May Be Result Of Forest Fragmentation Across The American South, New Study Suggests
...e ofpasserine eggs and retain tooth, bill and claw marks from which predators can beidentified." By using b...ed or both," said Keyser. In orderto recognize the marks of small predators, the researchers gave clay eggs tocaptive mice to study the tooth and claw marks ...DOE Joint Human Genome Effort Exceeds Sequencing Goal
...e pairs for fiscal year 1998. "This achievement marks an unprecedented ten-fold increase in production outputover the previous year," said Martha Krebs, the DOE's Director of the Office ofEnergy Research. "With this milestone, the JGI rises to the third positionworldwide in terms of its total contribut...World's Oldest Known Fossil Reptile Nests Discovered In Arizona's Petrified Forest
...e fossil chambers contain what appear to bescratch marks from digging activity and egg impressions, although no eggs oreggshells were found. The fossil record for reptiles began in the Pennsylvanian Periodbeginning about 300 million years ago, said Hasiotis and Martin. The oldestprevious evidence ...Possible Human Ancestors In Spain 780,000 Years Ago
... took place about 780,000years ago. This reversal marks the boundary between the lower and middlePleistocene geological epochs. "Because the Gran Dolina fossils were found below the Matuyama/Brunhes boundarywith a clear signal of reversed polarity, we are confident the date isaccurate," Pares said. At t...AAAS Announces The Winners Of Its Science Journalism Awards
...ation of the science behind the volcano. Thisaward marks Baron's third AAAS Science Journalism Award in the radio category,placing him among a handful of three-time winners in all five award categories. The AAAS Science Journalism Awards, first presented in 1945, are sponsored bythe Whitaker Foundation, a ...First Complete Fossil Of Fierce Prehistoric Predator Found In South Africa
...h the latest part of the Permian period. The layer marks the geologicalboundary between the Permian and Triassic periods. Smith and Peter Ward, a UWgeological sciences professor, excavated the site and found a complete skeletonof a gorgonopsid - or gorgon - probably assignable to the genus Rubidgea. Theske...International Genome Team Deciphers Genetic Instructions For A Complete Animal
...sequenced the animal's 97 million-base genome. It marks thefirst time scientists have spelled out the instructions for a complete animal,that, like humans, has a nervous system, digests food, and has sex. The work, carried out at Washington University School of Medicine in St. Louisand the Sanger Centr...