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BrightSurf.com Science News Headlines June 2003

June 30, 2003
Filming an ultra-fast biological reaction essential to life: A team of scientists have managed to film a protein at work in unprecedented detail. The protein is the oxygen-storing molecule myoglobin, which plays a central role in the production of energy in muscles.
New study demonstrates bone protein can reverse kidney failure: A new study led by investigators at Beth Israel Deaconess Medical Center (BIDMC) has shown that a protein used to heal fractured bones is effective in repairing and reversing chronic renal disease, a leading cause of morbidity and mortality throughout the U.S.
Minimal long-term effects of marijuana use found in central nervous system: An analysis of research studies with long-term, recreational users of marijuana has failed to reveal a substantial, systematic effect on the neurocognitive functioning of users.
Scientists find potential stem cells in amniotic fluid Š a new source?: Research by Austrian geneticists has raised the possibility that stem cells could be isolated from amniotic fluid - the protective 'bath water' that surrounds the unborn baby.
Taiwan SARS fight aided by telescience: Since February, more than 8000 cases of Severe Acute Respiratory Syndrome (SARS) and 600 deaths have been reported to the World Health Organization.
Astronomers find Paschen in the bar: An international team of astronomers have used a unique instrument on the 8-m Gemini South Telescope to determine the ages of stars across the central region of the barred spiral galaxy, M83.
Scientists find what type of genes affect longevity: Tracing all the genetic changes that flow from a single mutation, UCSF scientists have identified the kinds of genes and systems in the body that ultimately allow a doubling of lifespan in the roundworm, C. elegans.

June 27-28, 2003
Helios prototype solar aircraft lost in flight mishap: The remotely operated Helios Prototype aircraft, a proof-of-concept solar-electric flying wing designed to operate at extremely high altitudes for long duration, was destroyed when it crashed during a checkout flight from the U.S. Navy's Pacific Missile Range Facility (PMRF) on the Hawaiian island of Kauai.
Study traces global spread of virulent dengue virus to US doorstep: A new study from the University of North Carolina at Chapel Hill describes the emergence and spread of a virulent form of dengue virus from the Indian subcontinent to Latin America, including Mexico.
Charting seismic effects on water levels can refine earthquake understanding: Just last November, the magnitude 7.9 Denali earthquake in Alaska was credited with sloshing water in Seattle's Lake Union and Lake Pontchartrain in New Orleans, and was blamed the next day when muddy tap water turned up in Pennsylvania, where some water tables dropped as much as 6 inches.
NASA's Odyssey orbiter watches a frosty Mars: NASA's Mars Odyssey spacecraft is revealing new details about the intriguing, dynamic character of the frozen layers now known to dominate the high northern latitudes of Mars.
Archaeologists, students at UNC, discover two Indian settlements key in US history: Using centuries-old records, trowels, spoons and other tools -- and generating much sweat equity in the process -- University of North Carolina at Chapel Hill archaeologists and students have discovered what they say are two of the most important Indian settlements in the early history of the United States.
European Node officially handed to NASA: Six years of hard work came to fruition when ESA formally transferred ownership of Node 2 to NASA on 18 June 2003. This took place in the Space Station Processing Facility of the Kennedy Space Center in Florida.
New catalyst paves way for cheap, renewable hydrogen: Scientists have developed a hydrogen-making catalyst that uses cheaper materials and yields fewer contaminants than do current processes, while extracting the element from common renewable plant sources.

June 26, 2003
Behavior of arctic ocean ridge confounds predictions; May lead to new insights into crust formation: The discovery that an ocean ridge under the Arctic ice cap is unexpectedly volcanically active and contains multiple hydrothermal vents may cause scientists to modify a decades-long understanding of how ocean ridges work to produce the Earth's crust.
Internal waves appear to have the muscle to pump up mid-latitudes: When internal waves up to 300 feet first form they cause a mighty churning of ocean waters – something invisible to and unfelt by anyone at the surface.
Scientists announce first 3-D assembly of magnetic and semiconducting nanoparticles: Scientists from Columbia University, IBM and the University of New Orleans today announced a new, three-dimensional designer material assembled from two different types of particles only billionths of a meter across.
Pox to pimples; study says acne-like outbreak not vaccinia: The national smallpox vaccine program proved last year to be a bumpy road; it was also especially spotty for about 10 percent Vanderbilt's vaccinated volunteers who broke out in a curious acne-like rash.
Researcher pinpoints cause of inherited auditory neuropathy: Study finds hearing disorder rooted in low cell count in auditory nerves shifting focus and debate on possible therapies.
Computer simulations mimic growth of 'dizzy dendrites': Crystals are more than just pretty faces. Many of the useful properties associated with metal alloys or polymer blends -- like strength, flexibility and clarity -- stem from a material's specific crystal microstructure.

June 25, 2003
Antenna anomaly may affect SOHO scientific data transmission: The Solar and Heliospheric Observatory (SOHO) spacecraft expects to experience a blackout in the transmission of its scientific data during the week of 22 June 2003. This is estimated to last for about two and a half to three weeks.
NASA biotechnology activities enhancing quality of life: What do an anthrax-killing device, soybeans in space, artificial bone replacement materials, light-emitting diodes for wound healing, a new medicine to treat bone loss, a water bottle that filters out bacteria, a perfume, and advanced techniques for pharmaceutical drug design have in common?
New instrument tests the metal of WTC steel: A new instrument that operates like an air-powered battering ram is being used to study steel salvaged from the World Trade Center (WTC), a key element in the agency's two-year building and fire safety investigation of the Sept. 11 disaster.
Green, black tea extracts found to lower cholesterol: A clinical trial testing a theaflavin-enriched green tea extract is the first human study to find that a tea product lowers cholesterol.
Alien earthworms changing ecology of Northeast forests: Some forests throughout the Northeast are rapidly changing, but most observers won't notice it unless they take a close look at the soil beneath their feet.
Ultrafast laser reveals details about slow electrons: With the help of ultrafast lasers, Dutch researcher Anouk Wetzels from the FOM Institute for Atomic and Molecular Physics has visualised the wave function of slow electrons.
Reducing the risk of frost damage to short-season crops: Scientists are working to understand what controls flowering time and maturity in soybean production.

June 24, 2003
Researchers develop technique that could open doors to faster nanotech commercialization: Engineers have found an innovative way to grow silicon nanowires and carbon nanotubes directly on microstructures in a room temperature chamber, opening the doors to cheaper and faster commercialization of a myriad of nanotechnology-based devices.
PET provides insight into schizophrenic brain function: Schizophrenia is a devastating disease that affects some 2.5 million Americans. Doctors and researchers are striving to better understand this disease; most believe the neurotransmitter dopamine (DA) plays a crucial role in the disease.
Researchers find effects of Alzheimer's disease may be influenced by education: Researchers at Rush-Presbyterian-St. Luke's Medical Center have found that the more formal education a person has, the better his or her memory and learning ability, even in the presence of brain abnormalities characteristic of Alzheimer's disease (AD).
Airbus A380 Mega-liner - Weight Savings by Titanium: The titanium parts implemented in the new Airbus A380 aircraft will constitute about 9 % by weight. The new mega-liner basic version is able to transport 555 passengers over a distance of 14.800 kilometres at a speed of Mach 0.85. Length and wingspan do not exceed 80m.
Researchers warn that AIDS in India could become as dire as in Africa: The epidemic of HIV/AIDS in India is following the same pattern as that of sub-Saharan Africa in the 1980s, and it could become just as devastating unless preventive action is taken now.
New hope for children with eye tumors, cancer: A deadly form of cancer in children, which starts out as a tumor in the eye, can now be treated successfully by a combination of therapies.
Scientists identify genetic link between cancer and aging: A collaboration of scientists has made an important discovery linking the powerful cancer-causing oncogene, myc, with the gene behind the premature aging disease, Werner syndrome.

June 23, 2003
South America shines in NASA's latest space radar map release: Straddling the equator and engaged in a titanic clash of great tectonic plates, South America is home to some of the most scenic landscapes in the world. Yet with its frequent tropical cloud cover, has made it difficult to obtain traditional satellite imagery.
Physicists create nanoscale sensor: UCLA physicists have created a first-of-its-kind nanoscale sensor using a single molecule less than 20 nanometers long -- more than 1,000 times smaller than the thickness of a human hair.
Scientists discover gene that maintains genome integrity by limiting DNA replication: A team of cell biologists at the University of Georgia, led by Dr. Edward Kipreos, has discovered a gene that maintains genome stability by controlling the level of DNA replication.
Tree-Ring Scientists Saddened by Mount Lemmon Forest Fire: Scientists at the Univeristy of Arizona Tree-Ring Laboratory yesterday could see flames on Mount Lemmon from their offices in West Stadium on the university campus.
International Space Station Status Report: Expedition 7 Commander Yuri Malenchenko and NASA International Space Station Science Officer Ed Lu donned Hawaiian aloha shirts this week to show off some of the clothing they had unpacked from a newly arrived Russian resupply craft.

June 20, 2003
Nighttime clouds shed light on space weather: NASA is looking for the opportunity, beginning June 23, to launch rocket experiments that will form nighttime clouds in a project intended to shed light on space weather.
Ovarian cancer cells killed by new drug: Doctors in Europe are hopeful that a new drug, which acts in a different way from other drugs, will be effective for ovarian cancer.
Powerful 'conveyor belts' drive Sun's 11-year cycle, new evidence suggests: NASA and university astronomers have found evidence the 11-year sunspot cycle is driven in part by a giant conveyor belt-like, circulating current within the Sun.
Cornell scientists developing online West Nile virus warning system by collecting climate and mosquito data: In an effort to develop an early-warning system for potential West Nile virus outbreaks, Cornell University's Northeast Regional Climate Center (NRCC) and the Department of Entomology will spend this summer collecting climate data in areas where disease-carrying mosquitoes are found.
Researchers find new way to trigger self-destruction of certain cancer cells: Investigators at St. Jude Children's Research Hospital have discovered a previously unrecognized way that certain types of cancer cells can be forced to activate a self-destruction program called apoptosis.
The secret lives of galaxies unveiled in deep survey: Two of NASA's Great Observatories, bolstered by the largest ground-based telescopes around the world, are beginning to harvest new clues to the origin and evolution of galaxies.

June 19, 2003
Berkeley Lab physicist challenges speed of gravity claim: Albert Einstein may have been right that gravity travels at the same speed as light but, contrary to a claim made earlier this year, the theory has not yet been proven.
Finished Y chromosome sequence reveals a genomic 'Crystal Palace': A team of 40 researchers has finished sequencing the Y chromosome, the male sex chromosome once belittled as 'the Rodney Dangerfield of the human genome' because researchers believed it contained no genes of interest.
Spacecraft trio peeks at secret recipe for stormy solar weather: A three-spacecraft collaboration recorded for the first time the entire initiation process of a high-speed eruption of electrified gas from the Sun, providing clues about the Sun's secret recipe for stormy weather.
Rosetta stone decodes gamma-ray burst mystery: Scientists have pieced together the key elements of a gamma-ray burst, from star death to dramatic black hole birth, thanks to a 'Rosetta stone' found on March 29, 2003.
WCS biologist George Schaller reports surprising increase in Tibet's wildlife: Several species of wildlife living on the windswept Tibetan plateau - including the Tibetan antelope slaughtered by poachers to make luxury shahtoosh shawls - have increased in number over the past decade, due to better enforcement by wildlife officials.
Giant bloom fades, science continues: The corpse flower that bloomed at the University of California, Davis, Botanical Conservatory last week is now fading. Ted the Titan, a specimen of Amorphophallus titanum (titan arum), will rest until producing a leaf, or perhaps another huge flower, next year.

June 18, 2003
The universe just became a little simpler: Using images from the Hubble Space Telescope, astronomers have concluded that two of the most common types of galaxies in the universe are in reality different versions of the same thing.
Millions of Americans suffer from major depression: Millions of Americans suffer from major depression each year, and most are not getting proper treatment for this debilitating disorder, according to a two-year nationwide study reported in the June 18 Journal of the American Medical Association.
Medication may slow progression of Alzheimer disease: A medication used to treat the symptoms of mild-to-moderate Alzheimer disease may actually do more - it may be able to delay progression of the disorder, according to a study conducted at the Indiana University School of Medicine.
Muscle protein has role in nerve disorders: A protein that plays a role in muscular dystrophies also may be involved in peripheral neuropathy – disorders of the nerves that carry messages between the brain and the rest of the body.
Scientists say 'save our seas': Humans are posing some of the biggest threats yet to Europe's marine environment, according to an international group of leading scientists who have compiled the first ever report covering all of the continent's seas.
WorldÕs first tunable Ōphoton copierÕ on a chip enables key function for all-optical network: A research team has for the first time incorporated on a single chip both a widely tunable laser and an all-optical wavelength converter, thereby creating an integrated photonic circuit for transcribing data from one color of light to another.

June 17, 2003
European experiment hardware reaches the International Space Station: Preparations for the Spanish Soyuz mission on the International Space Station (ISS) in October took another step forward with the docking of an unmanned Progress M1-10 spacecraft with the International Space Station, on 11 June at 13:17 Central European Time.
Plant diversity threatened by climate change and buildup of greenhouse gas: Doubling the amount of carbon dioxide in the air significantly reduces the number of plant species that grow in the wild, according to a newly released study on climate change in California.
Body's internal clock is set by newly discovered light detection system in the eye: Researchers reveal that the eye's brightness detection system helps set the body's internal clock, regulate general activity levels and control the size of the pupil.
Scientists build a bridge for new bone: University of Toronto scientists have developed a biodegradable scaffold, similar in structure to a dish sponge, that significantly speeds the rate of bone healing.
Historian finds treasure in Douglass' cycloscope: A science historian has discovered how a famous early University of Arizona scientist used his amazing contraption called the cycloscope in a long but futile quest to discover predictable cycles of solar activity in tree rings.

June 16, 2003
160,000-year-old fossilized skulls from Ethiopia are oldest modern humans: The fossilized skulls of two adults and one child discovered in the Afar region of eastern Ethiopia have been dated at 160,000 years, making them the oldest known fossils of modern humans, or Homo sapiens.
Preparing a human mission to Mars via Antarctica and Toulouse: A human mission to Mars may still be some time away, but scientists are already aware of the many hazards that must be overcome if the dream is to become a reality.
Imaging Lithium Atoms: For the first time researchers have used a transmission electron microscope, the One Angstrom Microscope, to image lithium atoms. Only atoms of hydrogen and helium are smaller and lighter than those of lithium, which under ordinary conditions is not a gas but a soft, white metal.
New owl species discovered in Brazil: A newly described and critically endangered pygmy-owl species discovered in Brazil was named today after Intel founder Gordon Moore and his wife Betty Moore, announced Conservation International.
Researchers able to monitor hurricanes' effects on North Carolina's barrier islands: Predictions call for more hurricanes in the Atlantic than usual this season, which could mean big changes are in store for the coastline and sounds, Duke University professors say.
Exciting first results from deuteron-gold collisions at Brookhaven: The latest results from the Relativistic Heavy Ion Collider (RHIC), strengthen scientists' confidence that RHIC collisions of gold ions have created unusual conditions and that they are on the right path to discover a form of matter called the quark-gluon plasma, believed to have existed in the first microseconds after the birth of the universe.
Researchers identify gene involved in bipolar disorder: Researchers at the University of California, San Diego (UCSD) School of Medicine have identified a specific gene that causes bipolar disorder in a subset of patients who suffer from this debilitating psychiatric illness.

June 13, 2003
SARS death rate lower in countries responding aggressively to initial outbreak: Three months after SARS began its spread out of southern China, it is clear that a country's response to the epidemic can have a major impact on the percentage of infected people who die, according to epidemiologists.
New UK study of nanotechnology - the small-scale science: The UK Government has today launched a new independent study to examine in detail the benefits and risks of nanotechnology. The technology involves working with materials on the nanoscale - 80,000 times smaller than the width of a human hair.
A new category of antibiotics may present a fresh threat to public health: Bacteria have developed resistance to all antibiotics in use today, and this is causing a major health problem. However, a remarkable range of new antibiotics, called cationic antimicrobial peptides (AMPs), is attracting increasing interest as a key weapon in the fight against bacterial infection.
Scientists close in on understanding learning and memory: For decades, scientists have proposed that learning occurs and memories are stored when connections among nerve cells are weakened or strengthened, but there's been no direct way to prove it.
Changing global nitrogen cycle impacting human health: Despite greatly increasing food production for humans, the growing use of nitrogen as a nutrient is affecting people's health far beyond just the benefits of growing more crops.
Helios status update - Planning for next Helios check flight underway: The NASA - AeroVironment flight test team is reviewing data from the first of several planned checkout flights of the Helios Prototype solar-electric flying wing, now equipped with a revolutionary fuel cell system for night time flight.

June 12, 2003
Earliest Homo sapiens fossils discovered in Ethiopia: Scientists have uncovered fossils of the earliest modern human, Homo sapiens, estimated at 154,000 to 160,000 years old, the findings provide strong evidence that Homo sapiens and Neanderthals co-existed, rather than the former descending from the latter.
Researchers use T-rays to uncover defects in space shuttle foam sample: Using a technique pioneered by researchers at Rensselaer Polytechnic Institute, terahertz (THz) radiation has been used to uncover small defects in a sample of space shuttle foam.
Portable CT scanner joins hunt for alternative energy sources: Lawrence Berkeley National Laboratory (Berkeley Lab) scientists have developed the world's first x-ray computed tomography (CT) scanner capable of examining entire core samples at remote drilling sites.
Optical biopsies on horizon using noninvasive biomedical imaging technique: A new imaging technique that could lead to optical biopsies without removal of tissue is being reported by biophysical scientists at Cornell and Harvard universities.
Atmospheric mercury has declined: The amount of gaseous mercury in the atmosphere has dropped sharply from its peak in the 1980s and has remained relatively constant since the mid 1990s. This welcome decline may result from control measures undertaken in western Europe and North America.
Possible new cell type found in developing inner ear: The answer to how the complex, cavernous inner ear forms from a mostly homogenous group of cells may be that it doesn’t, says a Medical College of Georgia researcher who has found a new cell type that appears to migrate to the developing ear.

June 11, 2003
XMM-Newton makes the first measurement of a dead starÕs magnetism: Using the superior sensitivity of ESA’s X-ray observatory, XMM-Newton, a team of European astronomers has made the first direct measurement of a neutron star’s magnetic field.
Barrel structure in globular proteins may transport small molecules: The ability of proteins to guide small molecules to reaction sites and across membranes is essential to many metabolic pathways, but the process is not well understood. Now, scientists have shown that a globular protein with a barrel structure can direct small molecules in much the same fashion as a membrane protein.
Flattest star ever seen: Recent observations with the VLT Interferometer (VLTI) at the ESO Paranal Observatory have allowed a group of astronomers to obtain by far the most detailed view of the general shape of a fast-spinning hot star, Achernar (Alpha Eridani), the brightest in the southern constellation Eridanus (The River).
Headless comets survive plunge through Sun's atmosphere: On May 24, 2003, a pair of comets arced in tandem towards the Sun, their paths taking them to just 0.1 solar radii above the Sun's surface, deep within the searing multimillion-degree solar atmosphere (corona).
Researchers learning how food-borne bacteria make you sick: Whether food-borne bacteria make people sick depends on a variety of factors, and better understanding of the infection process could lead to ways to stop such illnesses from occurring.
Cracking the nanonewton force barrier: How do you weigh a dust mite? Or determine the force required to pull a molecule apart? Such tasks require a device that measures nanonewtons---forces 1 billion times smaller than the force required to hold an apple against Earth's gravity.
International Space Station Status Report: An unmanned Russian resupply craft successfully docked to the International Space Station this morning, delivering more than two tons of food, fuel, water, supplies and scientific gear to the Expedition 7 crew aboard the complex.

June 10, 2003
Powering Fuel Cells - Oxide materials that 'exhale and inhale' may facilitate small-scale hydrogen production: A unique group of oxide materials that readily gives up and accepts oxygen atoms with changes in temperature could be the basis for a small-scale hydrogen production system able to power fuel cells in homes -- and potentially in automotive applications.
NASA's newest unmanned aircraft makes successful first flight: A milestone in the development of high-altitude, long-endurance, remotely operated aircraft occurred today with the successful flight of NASA's Altair.
Neural stem cells take a step closer to the clinic: Scientists working with cells that may someday be used to replace diseased or damaged cells in the brain have taken neural stem cell technology a key step closer to the clinic.
Anthropologist predicts major threat to species within 50 years: If the world’s human population continues to rise at its current rate, the planet will increase the numbers of threatened species at least 7 percent worldwide in the next 20 years and twice that many by the year 2050.
Scientists find the root of learning in the brainÕs hippocampus: Neuroscientists have identified how the brain’s hippocampus helps us learn and remember the sights, sounds and smells that make up our long-term memory for the facts and events, termed declarative memory.
Antarctic research vessel heads north to map Arctic waters: An ice-breaking Antarctic research vessel will sail to the Arctic for the first time this summer to conduct a comprehensive survey of the chemistry, temperature and other characteristics of the waters off Alaska.
Salt levels in rain provide clues to hurricane formation: Scientists are testing the waters – literally – with a new salt-detection device specially designed to collect data from rain and water vapor in tropical cyclones, all in an effort to better understand how tropical storms form and intensify into hurricanes.

June 9, 2003
Researchers discover new class of human stem cells: Scientists with University Health Network have discovered a new class of human stem cells that rapidly grow when implanted in the bone marrow of mice. The findings are a major advancement in human stem cell research with possible significant clinical implications for designing more effective cancer therapies.
Astrophysicists simulate comet X-ray emissions in laboratory: Physicists from the Lawrence Livermore National Laboratory have produced X-ray emissions in a laboratory setting by recreating the conditions that exist when solar winds collide with gases surrounding comets.
New range of antibiotics may present a threat to public health: A remarkable range of antibiotics under development may compromise our natural defences against infection.
NIF project sets records for laser performance: The National Ignition Facility (NIF) at Lawrence Livermore National Laboratory recently produced 10,400 Joules or 10.4 kiloJoules (kJ) of ultraviolet laser light in a single laser beamline, setting a world record for laser performance.
Protein role required for normal brain development: An essential step in understanding how the brain develops and related brain disorders that occur when the movement of neurons is defective, has been announced by researchers at the University of California, San Diego (UCSD) School of Medicine.
International Space Station Status Report: An unmanned Russian resupply craft successfully blasted off from the Baikonur Cosmodrome in Kazakhstan on Sunday, carrying more than two tons of food, fuel, water, supplies and scientific gear for the Expedition 7 crew aboard the International Space Station.

June 6, 2003
Odyssey thermal data reveals a changing Mars: The first overview analysis of a year's worth of high-resolution infrared data gathered by the Thermal Emission Imaging System (THEMIS) on NASA's Mars Odyssey spacecraft is opening Mars to a new kind of detailed geological analysis and revealing a dynamic planet that has experienced dramatic environmental change.
Global garden grows greener: A NASA-Department of Energy jointly funded study concludes the Earth has been greening over the past 20 years. As climate changed, plants found it easier to grow.
Million-star cluster in nearby galaxy reported: A small, bizarre cluster of a million young stars, enshrouded in thick gas and dust in a nearby dwarf galaxy, has been confirmed by Jean Turner, UCLA professor of physics and astronomy, and her colleagues.
WorldÕs most endangered alligator released in China: Three adult Chinese alligators – the world's most endangered crocodilian species – were successfully released in China recently by a team of biologists in an effort to help restore the species to the Yangtze River valley.
New Soyuz TMA spacecraft cleared for next mission with ESA astronaut: The new Soyuz TMA spacecraft, which will carry ESA astronaut Pedro Duque to the ISS and back in October 2003, has been fully approved for operations.
UNEP urges action to better manage the globeÕs groundwaters: Many of the world’s 'natural underground reservoirs' upon which two billion people depend for drinking water and irrigation are under increasing stress and strain, a new report launched on World Environment Day (WED) shows.
Researchers offer new theories about memory: For decades, scientists have disagreed about the way the brain gathers memories, developing two apparently contradictory concepts.

June 5, 2003
Nottingham academics develop new nanotechnology to treat brain tumors: Academics at The University of Nottingham are developing new nanotechnology that could be used to treat brain tumours more effectively by reducing the serious side-effects associated with anti-cancer drugs.
NASA prepares two robots for Mars exploration: NASA's Mars Exploration Rover (MER) project kicks off by launching the first of two unique robotic geologists on June 8. The identical rolling rovers see sharper images, can explore farther and examine rocks better than anything that's ever landed on Mars.
Health system unprepared for water terrorism: National public health experts reported today that front-line health care responders are not adequately prepared to identify and control major outbreaks of waterborne disease, including outbreaks resulting from acts of terrorism.
Spinal cord injury: Manufacturing motor nerve cells may someday be possible to help restore function in victims of spinal cord injury or such diseases of motion as Parkinson’s and Lou Gehrig’s disease or post-polio syndrome.
Ocean policies haven't kept up with science: Scientific knowledge about the oceans has increased tremendously in the last quarter century but U.S. policy for managing its territorial waters has lagged far behind the science, experts say, leading to resource depletion, pollution, habitat destruction and political polarization.
Ancient pollen yields insight into forest biodiversity: By analyzing data on tree pollen extracted from ancient lake sediments, ecologists have sharpened the understanding of how forests can maintain a diversity of species.
Vitamin D analog found to boost radiation: A form of vitamin D has been found to greatly enhance radiation treatment for tumors associated with breast cancer. The findings support the potential benefits of combining a vitamin D analog with radiation to wipe out radiation-resistant cancer cells.

June 4, 2003
Leading scientists issue unprecedented plan for protecting ocean and marine life: For the first time ever, the world's largest environmental organizations, working with scientists, the business community and international governments, met specifically to develop a comprehensive and achievable agenda to reverse the decline in health of the world's ocean.
Cloning embryos from cancer cells: St. Jude researchers say reprogrammed nucleus model could offer valuable clues to how certain influencing factors combine with DNA mutations to cause tumors.
Study finds space shuttle exhaust creates night-shining clouds: Exhaust from NASA's space shuttle, which is almost 97 percent water vapor, can travel to the Arctic in the Earth's thermosphere where it forms ice to create some of the Earth's highest clouds that literally shine at night.
New nanoscale device reveals behavior of individual electrons: While engineers have a great grasp of how to control electrical charge in circuits, they have a hard time getting rid of the heat created by flowing electrons.
High gene mutation rate may contribute to hereditary skin cancers: Researchers have discovered a high rate of ultraviolet light (UV)-inducible mutations among people with hereditary--but not sporadic--melanoma, a finding that may explain why people genetically predisposed to this deadly skin cancer are particularly sensitive to sun exposure.
Short-term exposure to estrogen cuts fish fertility: While several studies have focused on how estrogen from contraceptives may alter sex organs of juvenile fish, few studies have analyzed how exposure to estrogen affects adult fish as they make their way through rivers, lakes and streams to spawn.
Bizarre bug wears hostÕs skin: Oxford scientists have discovered a particularly macabre method one parasite (Strepsiptera) has for disguising itself in its insect host: it wraps itself in a piece of the host’s own body tissue.

June 3, 2003
Mars Express en route for the Red Planet: The European Mars Express spaceprobe has been placed successfully in a trajectory that will take it beyond the terrestrial environment and on the way to Mars – getting there in late December.
Schizophrenia study to hunt for genetic causes: Specific information processing abnormalities and brain-related circuit dysfunction in schizophrenia patients may be the keys to finding the genetic basis of this puzzling, devastating mental illness that affects more than two million Americans and one percent of the world’s population.
Findings may help preserve Dungeness crab: A recent Pacific Northwest National Laboratory study has found that salinity levels in the Columbia River estuary may affect crab abundance in the river, a finding that may help protect Dungeness crab in the Columbia.
New study uses genetic profiling to predict breast cancer patients: Researchers have developed a new test to predict which breast cancer tumors will respond to chemotherapy, potentially reducing unnecessary treatment for women with breast cancer.
Yeast, wormwood & bacterial genes combine in microbial factory to make antimalarial drug: By combining genes from three separate organisms into a single bacterial factory, chemical engineers have developed a simpler, less expensive way to make an antimalaria miracle drug that is urgently needed.

June 2, 2003
Scientists uncover HIV escape route from drugs and vaccines: Virologists at Jefferson Medical College may have discovered a new way by which HIV, the AIDS virus, can evade both anti-viral drugs and vaccines.
Mosquitoes infected with La Crosse encephalitis found in four Southwest Virginia counties: Virginia Tech entomologists have documented for the first time the presence of mosquitoes infected with La Crosse virus in four Southwest Virginia Counties.
Possible diagnosis, treatment, vaccine for mad cow, prion diseases: Scientists have uncovered the basis for a diagnostic, immunotherapy and vaccine, providing a way to detect and treat the brain-wasting damage of infectious prions like those found in mad cow disease and its human version, Creutzfeldt-Jakob Disease.
Seaweed uses chemical warfare to fight microbes: Scientists have discovered that seaweeds defend themselves from specific pathogens with naturally occurring antibiotics. The finding helps explain why some seaweeds, sponges and corals appear to avoid most infections by fungi and bacteria.
Melanoma vaccine demonstrates promising results: Results from the largest multi-site study to date evaluating a peptide-derived therapeutic vaccine for melanoma, have demonstrated a correlation between tumor growth (progression free survival) and immune response for patients with advanced disease who received the vaccination.
International Space Station Status Report: Science, maintenance and training for spacewalks was the focus of attention this week for the Expedition Seven crew of Commander Yuri Malenchenko and NASA International Space Station Science Officer Ed Lu as they complete their fifth week in space aboard the orbiting laboratory.

[ May 2003 News Archive ]
 
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