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Science Updates Archive 12

For today's breaking news please see Today's Health and Bioscience News. For more Science Updates please see our Science Updates Archives
 

Diabetes- No More Needles - New methods for delivering insulin and monitoring blood sugar may grant patients with diabetes their ultimate wish to be needle free. (6/22/99)

Building Bone - Women who do not want to take estrogen now have a variety of alternative treatments to choose from for the prevention of osteoporosis associated with menopause. (6/15/99)

Foodborne Disease - Researchers are becoming increasingly concerned about crossover resistance associated with the food we eat and the water we drink. (6/3/99)

Dolly's DNA Showing Its Age? - When Dolly, the first mammal cloned from an adult cell, was born, many researchers wondered what the effects of starting life with 'old' cells might be. The scientists who cloned Dolly now report that the famous sheep's DNA might be showing its age. (5/27/99)

Measuring Mendacity - Humans practicing mendacity, otherwise known as lying, exhibit numerous physical and verbal cues that can be objectively measured. (5/20/99)

Keeping Allergy out of the Loop - The discovery of a new immune mechanism believed to be at the root of all allergies should lead to new strategies to prevent the onset of the all too familiar sneezing, watery eyes, itchy skin and other symptoms of allergic disease. (5/7/99)

Goats on the Clone Pharm - The successful cloning of transgenic goats from somatic cells may soon clear the way for herds of cloned animals producing valuable human proteins in their milk. (4/29/99)

Cellular Motor In Action - A new fluorescent microscopy technique for the first time reveals the workings of cellular motors as they ferry their cargo through living cells. (4/23/99)

Giant Bacteria - Thiomargarita namibiensis, a giant bacterium discovered off the coast of Namibia, has a repertoire of survival techniques that would be the envy of any extremophile. (4/16/99)

Jumping Jordan Genes - Put Jordan under pressure and then watch for the jump shot, say Washington University researchers. In this case they are talking biology, not basketball. (4/9/99)

Cafe, Olé! - Good news java junkies- not only is coffee not very addictive, along with its caffeinated cousins tea and cocoa, it appears to offer several potential health benefits. (3/24/99)

Adenovirus a Heart Breaker - Adenovirus, one of the causes of the ubiquitous common cold, can also cause severe heart muscle damage, say researchers. The finding offers new opportunities for diagnosis and treatment of a disease that often afflicts young athletes in their prime. (3/19/99)

Gene Therapy for Fatness? - The discovery of a new gene involved in appetite control and regulation of body weight could open the way for new treatments for obesity, report two research groups.(3/12/99)

Progress vs. Prostate Cancer - Progress in the war against prostate cancer, in the form of a newly discovered genetic switch present in 90% of tumors, should lead to improved diagnostic tests and treatment approaches with the potential to cure the disease. (3/4/99)

Bioterror Alarm - Biological weapons pose a growing threat around the world, a threat for which health and civil defense authorities are ill-prepared, say leading experts in the field. (2/25/99)

Taste Genes The first identification of the genes underlying the molecular basis of taste has far-reaching implication in many areas of research. (2/18/99)

Personal Antibody Profiling - A new technique based on unique individual antibody profiles offers an alternative to current DNA fingerprinting methods. (2/11/99)

From the Horse's Mouth - A bit of scientific detective work with some 5 million year-old horse teeth provides new information on the climate and ecology of prehistoric Florida while calling into question current concepts of horse evolution. (2/4/99)

Joy of Soy - The humble soy bean contains potent anti-cancer and anti-pain capabilities. (1/25/99)

New Test Can Spot Mad Cow Disease in Humans - A new medical diagnostic test will for the first time allow quick identification of a rare but devastating form of neurologic disease transmitted from cattle to humans. (1/16/99)

Gene Therapy for Hemophilia - The apparent success of a hemophilia gene therapy experiment with dogs suggests the chances are good for similar success in humans, report researchers. (1/6/99)

Top Ten for 1998 - Guide to the year in science. (12/21/98)

Genetic Can of Worms - Researchers expect big things from the little worm C.elegans, now that the genome has been sequenced completely. (12/11/98)

HerpesVaccine from Soy? - The successful production of anti-herpes antibodies in soy plants could represent a cheap and efficient method for creating vaccines, report researchers at Johns Hopkins University. (12/5/98)

Ancient DNA Revived - Echoing the fictional science seen in Jurassic Park, scientists have revived bacteria from the guts of bees preserved in 20 million year old amber. (11/24/98)

Arthritis--Good News - New classes of immunomodulatory and anti-inflammatory drugs represent a new era is the treatment of arthritis, according to researchers at the American College of Rheumatology's 62nd National Meeting. (11/12/98)

Flying Senator - John Glenn is not just going along for the ride on NASA Shuttle Mission STS-95. The first American in orbit will be kept quite busy working on a number of scientific projects studying everything from aerogels and soy beans to the aging of muscle and bone. (10/27/98)

Superweeds? - Genetic engineering has already produced plants with heightened resistance to herbicides and pesticides. But if these transgenic plants hybridize with local weeds, could a new superweed be the result? (10/20/98)

NObel Prize for Heart Research - Three American researchers will receive this year's Nobel Prize in Physiology/Medicine for their work on nitric oxide and the heart. (10/12/98)

X Marks the Spot - The discovery of the first major cancer gene on the human X chromosome could be an important step in the battle against prostate cancer(10/8/98)

Old Worms, New Theories - Trails left by worms under a shallow sea covering what is now India suggest complex multi-celled organisms lived a half a billion years earlier than previously believed. (9/30/98)

Archaea in Space - Studies of archaea enzymes conducted on the Space Shuttle could help explain how these organisms survive at extreme temperatures and pressures and could have far-ranging implications for everything from exobiology to biotechnology. (9/17/98)

ATP Mechanisms Revealed - New X-ray crystallographic studies have revealed the working of adenosine triphosphate synthase, the basis of  energy transport in all living organisms. (9/15/98)

Evolving Concepts:Whoppers & Volcanos - Theories of evolution continue to evolve. One new theory suggests an alternative explanation of adaptation of species over time, while another suggests that a major volcanic event may have created an evolutionary bottleneck in human evolution as little as 70,000 years ago. (9/9/98)

Martian Biomass - While the basic geological conditions on Mars could provide the minimal requirements for life to exist, new geochemical models suggest the biological potential of the red planet may be minimal. (8/25/98)

Hornbills and the Rainforest - As the hornbill goes, so goes the rainforest ecosystem, suggests new research from a team of California biologists. (8/19/98)

Rock-Eating Microbes - The existence of rock-eating microbes one mile beneath the ocean floor may enhance the search for life on other planets. (8/13/98)

Sinister Dexterity - How do developing cells know which way to turn as an organism grows? Salk Institute researchers have discovered a gene that may explain this fundamental mystery. (8/6/98)

Virtual Frog - The developers of a new 'virtual frog' hope that their digital creature will help to enhance the instruction of biological and physical sciences by making full use of emerging information technologies. (7/10/98)

Mars Rock Doubts - New geologic analyses appear to pour cold water on suggestions that strange crystals found on a Martian meteorite represent bacterial fossils from the red planet.(7/10/98)

Tuning the Immune System - New biological tools for enhancing the immune system's defense against stray HIV cells may complete the job of eliminating the AIDS virus started by powerful antiretroviral combination therapies (6/30/98)

New HIV Testing Strategies - Two new forms of HIV testing should help identify infected individuals more easily and inexpensively, a key in worldwide AIDS prevention efforts, reported researchers at the 12th World AIDS Conference. (6/29/98)

Life in the Deep Freeze - The discovery of bacteria growing in the one of the coldest places on Earth could help in the search for life on other planets.(6/25/98)

New HIV Vaccine Target - A new three-dimensional map of a protein called gp120 found on the surface of HIV cells could be an important guide to the development of new AIDS vaccine candidates. (6/17/98)

Spinach: Biotech Boom? - Enzymes found in spinach leaves may offer a cheap and easy way to neutralize dangerous explosives including TNT. (6/10/98)

RNA World News - Simulating evolution in a test-tube, Yale researchers have synthesized a DNA enzyme considered to be key to understanding the origins of life on Earth some four billion years ago. (6/9/98)

Gene Therapy for Deafness? - A successful genetic repair job that restored hearing to the offspring of congenitally deaf mice could offer a new gene-therapy strategy for preventing deafness in humans. (5/29/98)

HER-2/neu vs. Breast Cancer - Favorable results with a new antibody therapy against breast cancer, HER-2/neu (Herceptin),  herald a new era of treatment based on molecular targeting of tumor cells, report researchers. (5/18/98)

Antisense Making Sense - Antisense medical technology may be starting to make sense, as a new drug using the technology shows promise in treatment of a potentially blinding infection in HIV patients. (5/14/98)

Tumor TNT - Researchers believe some tumors not responsive to conventional chemotherapy might improve after a blast of TNT. In this case, they are not talking about explosive charges, rather, a new antibody based approach called tumor necrosis therapy. (5/6/98)

Starving Tumors - Researchers have been working for decades to develop treatments for cancer based on blocking tumor blood supply. Now a series of animal and clinical studies suggest this work is starting to pay off. (5/6/98)

New Evolutionary Time Line - New genetic detective work putting mammals in the Cretaceous era may challenge long-held theories of the fall of the dinosaurs and the rise of warm-blooded animals. (5/1/98)

Earth Day for Sale? - Has Earth Day, founded in the idealistic days of the 1960's, sold its soul to the company store? (4/22/98)

Lawn Order - Eliminating the national "lawn fetish" in favor of environmentally friendly native plant landscaping could create a quieter world with cleaner air and water, say some researchers. (4/22/98)

Rhinovirus on the Run? - The determination of the three-dimensional structure the receptor used by the rhinovirus could lead to the long-sought treatment for the common cold. (4/13/98)

Evolving Concepts - A new guidebook from the National Academy of Sciences (NAS) may help teachers introduce the concepts of evolution, particularly if they are reluctant to teach the topic because of pressures from special-interest groups. (4/10/98)

Bee Nice - The discovery of a "mean gene" in Africanized honey bees could provide the basis for reducing the diaspora of these 'killer' bees, now buzzing their way into California. (3/30/98)

Protein Prelude - A Texas researcher has tuned in to music to describe the structure of proteins and genes. She hopes the new approach may ease the task of teaching the complexities of cellular biology. (3/25/98)

Bird-Dino Finds - New prehistoric finds in Madagascar and the Mongolian desert provide valuable new evidence for the dinosaur-bird link hypothesis. (3/20/98)

Potato Blight Returns - A new variant of Phytopthora infestans, the fungus that caused the Irish Potato Famine of the 1840s, now poses a major threat to US agriculture. (3/16/98)

Some Like It Hot - The palate-searing spices that make salsa sizzle and Thai food tingle perform a valuable antimicrobial function in cultures traditionally lacking refrigeration.(3/11/98)

Dengue Approaches - The combined climatologic cataclysms of global warming and El Niño could bring more than warm winters and floods to the Northern hemisphere, they also could be bringing dengue fever, warn public health authorities. (3/11/98)

Europa Update - The latest pictures beamed from the Galileo spacecraft provide further suggestions that there is ample slushy water on Jupiter's moon Europa. Meanwhile, American and Russian astrobiologists are looking closer to home,Antarctica, for hints on what life-forms might inhabit such conditions. (3/5/98)

Super Cell Sensors - Two new sensor technologies allow hitherto unimaginable access to the inside workings of the cell. One, called PEBBLEs, represent the smallest biosensors ever developed. The other provides quick detection of multiple compounds inside cells. (3/5/98)

New Alzheimer's Gene - The discovery of another susceptibility gene, found in people lacking the APOE4 gene, adds another important piece to the Alzheimer's disease puzzle. (3/1/98)

Speeding up DNA Mapping - A new gene-mapping technique promises to speed the process of identifying the genetic basis of numerous diseases. (3/1/98)

Biological Agent Detector - A new biosensor does its job with far greater sensitivity and speed than anything currently in existence. The sensor should prove useful in everything from detecting biological agents such as anthrax, to pharmaceutical manufacturing and medical diagnostics. (2/24/98)

Totally Awesome - Can't make it to the Southern Caribbean for the total solar eclipse on February 26th? No problem! You can watch it live on the Internet. (2/23/98)

Hunger Hormones - Hormones that stir hunger pangs have been identified by researchers at the University of Texas. The discovery could lead to a better understanding of appetite, obesity and diabetes, and possibly to the development of new diet drugs. (2/20/98)

Pfiesteria Hysteria - When politicians clash with scientists, it is the environment that suffers, says Dr. JoAnn Burkholder, a North Carolina State University aquatic ecologist and recipient of the Scientific Freedom and Responsibility Award at this year's meeting of the American Association for the Advancement of Science. (2/17/98)

Manly Worms - The genes that determine maleness appear to be conserved in everything from worms and flies to humans, report University of Minnesota scientists. (2/12/98)


 
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