Science Current Events | Science News | Brightsurf.com
 

BrightSurf.com Science News Headlines January 2003

January 31, 2003
Nanotechnology could save the ozone layer: Whilst experimenting with nanospheres and perfluorodecalin, a liquid used in the production of synthetic blood, researchers have stumbled across a phenomenon that could ultimately help remove ozone-harming chemicals from the atmosphere.
Clean air act reduces acid rain: The federal Clean Air Act of 1990 appears to be successful in reducing two major types of air pollutants that contribute to acid rain, and signs of recovery are beginning to occur in lakes and streams in the Midwest and East.
Environmental satellite readied to detect solar storms: The nation's newest environmental satellite, GOES-12, equipped with an advanced instrument for real-time solar forecasting is being readied for operations.
Surfactant curtails nanotube clumping in water: Scientists have long touted carbon nanotubes as a futuristic means of delivering drugs, fortifying brittle materials and conducting current in miniaturized circuits.
ISS Expedition Six Science Operations Report: During the last week, the crew focused on research that studies how the human body adapts to living in space.
Antibodies critical for fighting West Nile Virus infection: Researchers have found that immune cells called B cells and the antibodies they produce play a critical early role in defending the body against West Nile Virus.

January 29, 2003
Ocean surface saltiness influences El Nino forecasts: NASA sponsored scientists have discovered by knowing the salt content of the ocean's surface, they may be able to improve the ability to predict El Nino events.
NASA joins snow study over the Sea of Japan: NASA and two Japanese government agencies are collaborating on a snowfall study over Wakasa Bay, Japan., using NASA's Earth Observing System Aqua satellite, research aircraft and coastal radars to gather data.
Wind Against Fuel And Energy Crisis: Efficient and reliable construction of windmills has been developed by the specialists of the Open Joint-Stock Company Moscow Engineering Plant VPERED.
Hikers may disturb breeding spotted owls: The threatened Mexican spotted owl lives in coniferous forests in the Southwest and Mexico. In Utah, the birds nest, roost and hunt almost entirely in steep, narrow canyons.
Landers feel the heat on space missions: Space is certainly a cold place, but spacecraft have to face extremely high temperatures when they are exposed to the Sun's radiation.
New cargo ship docks with International Space Station: The tenth Russian Progress resupply vehicle to the International Space Station is scheduled to dock at approximately 9:55 a.m. EST, Tuesday, Feb. 4.


January 29, 2003

Free-Electron Laser explores promise of carbon nanotubes: Jefferson Lab’s Free-Electron Laser used to explore the fundamental science of how and why nanotubes form, paying close attention to the atomic and molecular details.
Space water recycling experiment flying high aboard Space Shuttle: In space, other than air, none is more precious than water. Improving the careful use of that critical resource is the goal of the Vapor Compression Distillation Flight Experiment, which is undergoing tests during the STS-107 Space Shuttle mission launched January 16.
Oxford research traces early human migration from Africa to Asia: New genetic study confirms that some of the earliest migrants travelled into Asia by a southern route, possibly along the coasts of what are now Pakistan and India.
Scientists solve puzzle of how influenza builds its infectious seeds: By solving a long-standing puzzle about how the influenza virus assembles its genetic contents into infectious particles that enable the virus to spread from cell to cell, scientists have opened a new gateway to a better understanding of one of the world's most virulent diseases.
Controlling phosphorus pollution in wetlands more important than believed: A study led by a Duke University scientist suggests that the current emphasis on controlling upstream nitrogen pollution fails to adequately address the impacts on water quality of another potential contaminant, phosphorus.
Monsoon in West Africa - Classic continuity hides a dual-cycle rainfal regime: Since the end of the 1960s West Africa has continuously been suffering hard drought. The rainfall deficit for the 1970s and 1980s, calculated to compare with the 1950s and 1960s, thus reached as high as 50% over the northern part of the Sahel.

January 28, 2003
Research reveals how Strep bacterium evades immune system: Like a well-trained soldier with honed survival skills, the common bacterium, Group A Streptococcus (GAS), sometimes can endure battle with our inborn (innate) immune system and cause widespread disease.
South Pole telescope follows trail of neutrinos into deepest reaches of the universe: Researchers can now pinpoint direction of elusive subatomic particles key to understanding black holes, other cosmic events.
More people are getting sick from eating fresh fruits: Salmonella, E. coli, shigellosis, hepatitis A, and Norwalk -- these food-borne diseases can produce symptoms that run from the mild to life-threatening outbreaks.
Study is first to confirm link between exercise and changes in brain: Three key areas of the brain adversely affected by aging show the greatest benefit when a person stays physically fit.
NASA's SORCE satellite soars into space to catch some rays: NASA's Solar Radiation and Climate Experiment (SORCE) successfully launched Saturday aboard a Pegasus XL rocket over the Atlantic Ocean.

January 27, 2003
ESA on the trail of the earliest stars: Somewhere in the distant, old Universe, a population of stars hide undetected. They were the first to form after the birth of the Universe and are supposed to be far bigger in mass than any star visible today.
Poor amino acid breakdown increases the risk of heart disease: People with a genetically determined, reduced breakdown of the amino acid homocysteine have an increased risk of coronary heart disease compared to healthy people.
Increased Blood Flow Could Lead To Healthier Blood Vessels: Scientists have found a new way in which exercise may protect against heart disease. Increased blood flow can mimic the powerful anti-inflammatory actions of certain glucocorticoid steroid drugs.
Research reveals that Gulf Stream is not responsible for mild winters in Europe: Research suggests that ocean circulation plays less of a role in climate change than previously thought. New research shows that the Gulf Stream has little effect on winter temperatures between Europe and eastern North America.
ISS Expedition Six Science Operations Report: Expedition Six Zeolite Crystal Growth research was successfully completed this week aboard the International Space Station.

January 24, 2003
Human gene affects memory: NIH scientists have shown that a common gene variant influences memory for events in humans by altering a growth factor in the brain's memory hub.
World's Most Intriguing Lake Formed by Tectonic Activity - New data shed light on Lake Vostok: The cavity which became Lake Vostok, a body of water located beneath more than 4 km of ice in the middle of East Antarctica, was formed by tectonic processes in the earth's crust millions of years ago.
Nano-competence for hard thin films: Computer hard disks are becoming increasingly small and powerful. To improve their surface properties, researchers are devising super-hard, smooth and extremely thin diamond-like carbon coatings - on all kinds of micromechanical devices.
NASA spacecraft set to catch some rays: A new NASA satellite is ready to leave the sandy coast of Florida and head to space to catch some rays. The SORCE (Solar Radiation and Climate Experiment) mission will study our sun's influence on our planet's climate by measuring how the star affects the Earth's ozone layer, atmospheric circulation, clouds, and oceans.
Distant World in Peril Discovered from La Silla - Giant Exoplanet Orbits Giant Star: When, in a distant future, the Sun begins to expand and evolves into a giant star, the surface temperature on the Earth will rise dramatically and our home planet will eventually be incinerated by that central body.
Shock waves through the Solar Nebula could explain water-rich space rocks: Shock waves through icy parts of the solar nebula could well be the mechanism that enriched meteorites with water -- water that some believe provided an otherwise dry Earth with oceans.
Prehistoric tusks point to earliest fossil evidence of differences between sexes: The large tusks of an animal that roamed Earth before the dinosaurs may provide the earliest evidence yet of male-female distinctions in land animals that existed millions of years ago.
Rocket to measure auroral waves: University of Alaska Fairbanks Poker Flat Research Range will open its 2003 launch season today with a single-rocket mission designed to measure high-frequency wave signals in connection with the aurora.

January 23, 2003
NANOTECHNOLOGY: New Advances
Prehistoric NW Indians hunted fur seals of sustainable basis: Archaeological evidence from prehistoric hunters in Washington and Alaska adds new fuel to the ongoing debate over the belief that humans have a propensity to over-exploit their natural resources, and also indicates that early Indians' harvest of northern fur seals was sustainable.
Bone marrow generates new neurons in human brain: A new study strongly suggests that some cells from bone marrow can enter the human brain and generate new neurons and other types of brain cells.
CERN Receives First U.S.-built Component for Large Hadron Collider: In a milestone for global science collaboration, CERN took delivery today of the first U.S.-built contribution to what will be the world's highest-energy particle accelerator. The superconducting magnet, built at the U.S. Department of Energy's Brookhaven National Laboratory, will become a key component of the Large Hadron Collider (LHC).
Chemists discover new molecules that excel at shedding electrons: Anyone who's taken chemistry might know that the element cesium is the hands-down champ when it comes to ionizing, or giving up electrons. And up until about six months ago, they'd be right.
SORCE spacecraft to be launched Janury 25th: The launch of the NASA-sponsored Solar Radiation and Climate Experiment (SORCE) spacecraft aboard an Orbital Sciences Corporation (OSC) air-launched Pegasus vehicle is scheduled for deployment over the Atlantic Ocean from OSC's L-1011 carrier aircraft on Saturday, Jan. 25th.

January 22, 2003
Scientists find geochemical fingerprint of World Trade Center collapse: Dust and debris deposits associated with the September 11, 2001, terrorist attack on the World Trade Center have left a distinct fingerprint on the sedimentary record in New York Harbor, scientists have found.
Understanding Infertility - The Role of Genes in the Control of Reproduction: There has been a significant decline in fertility in different species for various reasons. Understanding the mechanisms that control early embryonic development may allow the design of strategies to enhance fertility of improve contraception.
ESA's new challenge with Rosetta: After the initial disappointment of postponing the Rosetta mission, ESA’s Director of Science David Southwood expressed his firm determination to accept the delay and take it on as a galvanising challenge.
Research project promises faster, cheaper and more reliable microchips: A project between academia and industry is aiming to spark a world electronics revolution by producing faster, cheaper and more reliable microchips.
How science can train better athletes: Teach a man to fish and you will feed him for a lifetime. But equip him with a high-tech gadget from the University of Michigan and he will teach himself to cast farther and more accurately in just a few hours of practice. And he might even improve his golf game as well.

January 21, 2003
Longest Ice Cores Retrieved from Canadian Yukon: In their quest to understand what drives the climate of North America, a team of American, Canadian and Japanese scientists is studying ice cores collected from the highest mountain range in Canada.
Giant elephant tusk found in desert - find thought to be eight million years old: Two University of York graduates have found and preserved the giant tusk of the largest elephant fossil of its type ever to be found in the Middle East.
Researchers discover how embryo attaches to the uterus: Researchers funded by the National Institutes of Health have discovered how an embryo initially attaches to the wall of the uterus -- what appears to be one of the earliest steps needed to establish a successful pregnancy.
NASA Mission Will Look at Clouds From Both Sides: CloudSat, the most advanced radar designed to measure the properties of clouds, will provide the first global measurements of cloud thickness, height, water and ice content, and a wide range of precipitation data linked to cloud development.
Scientists Develop Technique to Determine Molecular Structure of Heterogeneous Surfaces: Scientists have refined a technique that uses the very intense light emitted by the National Synchrotron Light Source (NSLS) at the U.S. Department of Energy's Brookhaven National Laboratory to determine the structure of chemically heterogeneous surfaces with a submillimeter resolution.
Air-conditioning of buildings using solar energy: 2% of buildings capable of having solar air-conditioning installed, could stop emitting 27,000 tons of CO2 into the atmosphere.
ISS Expedition Six Science Operations Report: With the International Space Station crew's attention on its spacewalk on Wednesday, the focus of research activity was on human lung function in space and in the low-pressure environment of the spacesuits.

January 17, 2003
Lightning really does strike more than twice: NASA-funded scientists have recently learned that cloud-to-ground lightning frequently strikes the ground in two or more places and that the chances of being struck are about 45 percent higher than what people commonly assume.
Rare Asian dolphin threatened by human activities: According to a recent scientific survey by the Wildlife Conservation Society (WCS) and its partners, the Irrawaddy dolphin may vanish from the Ayeyarwady River (formerly Irrawaddy) without efforts to protect these aquatic mammals from human activities along the river.
Isolated Star-Forming Cloud Discovered in Intracluster Space: New observations by the Japanese 8-m Subaru telescope and the ESO Very Large Telescope (VLT) have shown that massive stars can also form in isolation, far from the luminous parts of galaxies.
Superconducting sensor helps detecting gravitation waves: To be able to detect gravitation waves in space, physicist have to measure truly minimal displacements: ten billion times smaller than the size of an atom.
Scientists take first 'full-body scan' of evolving thunderstorm: A doctor gets a better view inside a patient by probing the body with CAT and MRI scanning equipment. Now, NASA meteorologists have done a kind of full-body scan of an evolving thunderstorm in the tropics, using advanced radar equipment to provide a remarkable picture of the storm's anatomy.
Influences on Quality of Life in Early Old Age: A golden early old age is within sight for many people, says new research funded by the Economic and Social Research Council, which demonstrates that the good life is much less influenced by your past – the job your father had, for instance – than by the present, when two of the most important influences are having choices about working or not working, and having friends in whom you can confide.

January 16, 2003
International team uses genomic tools to discover gene for childhood genetic disorder: In an advance illustrating the power of genomic information, an international team of researchers today announced it has identified a gene that causes Leigh Syndrome, French Canadian type (LSFC), a fatal inherited disorder affecting 1 in 2000 live births each year in the Saguenay-Lac St Jean region of Quebec.
Eye's light-detection system revealed: A research team led by Johns Hopkins scientists has discovered that a special, tiny group of cells at the back of the eye help tell the brain how much light there is, causing the pupil to get bigger or smaller.
Flight research to focus on fundamental biology: Understanding how the body adapts to space flight is the goal of four fundamental biology experiments set to fly on this month's space shuttle mission. The 16-day flight is dedicated to investigating human physiology and other areas of research beneficial to people on Earth.
ESA payloads feature on Space Shuttle research mission: European scientists will be 'turning off' the effects of gravity during the STS-107 Space Shuttle research mission in order to gain a better understanding of processes in medicine, technology and science..
Researchers Visualize the Binding of Proteins to the Nuclear Surface: Not only the genetic information of individual cells, but also that of the entire organism is stored within the cell nucleus.
International Space Station Status Report: Expedition 6 Commander Ken Bowersox and NASA Science Officer Don Pettit continued the assembly of the International Space Station 6 and set the stage for a series of complex shuttle construction flights to the complex later this year during a 6-hour, 51-minute spacewalk staged out of the Quest Airlock.

January 15, 2003
Dinosaurs experienced climate changes before K-T collision: Climate change had little to do with the demise of the dinosaurs, but the last million years before their extinction had a complex pattern of warming and cooling events that are important to our understanding of the end of their reign, according to geologists.
Field Museum uncovers evidence behind man-eating; revises legend of the infamous man-eating lions of Tsavo: Legend has it that in 1898, two Tsavo lions killed at least 135 workers constructing a bridge in Kenya, temporarily stopping the construction of a railroad linking Lake Victoria with the port of Mombasa. Lt. Col. John Patterson eventually killed the lions, which are now on exhibit at The Field Museum, Chicago.
NASA Instrument Captures Early Antarctic Ice Shelf Melting: An international research team using data from NASA's SeaWinds instrument aboard the Quick Scatterometer spacecraft has detected the earliest yet recorded pre-summer melting event in a section of Antarctica's Larsen Ice Shelf.
Designer molecules correct RNA splicing defects: With a high-tech fix for faulty cellular editing, scientists at Cold Spring Harbor Laboratory have moved a step closer to developing treatments for a host of diseases as diverse as breast cancer, muscular dystrophy, and cystic fibrosis.
Facing extreme ice conditions, coast guard, NSF deploy second icebreaker to Antarctica: Extremely unusual ice conditions at McMurdo Station, the National Science Foundation's (NSF) logistics and science hub in Antarctica, will require two Coast Guard icebreakers to ensure that resupply and refueling ships can reach the station.
NASA tests environmentally friendly rocket fuel: NASA has successfully tested an alternative rocket fuel that may increase operational safety and reduce costs over current solid fuels. The new paraffin-based fuel could eventually be used in Space Shuttle booster rockets.
Rosetta launch postponed: Having considered the conclusions of the Review Board set up to advise on the launch of Rosetta, Arianespace and the European Space Agency have decided on a postponement.

January 14, 2003
Discovery of Nearest Known Brown Dwarf: A team of European astronomers has discovered a Brown Dwarf object (a 'failed' star) less than 12 light-years from the Sun. It is the nearest yet known.
Human heart tissue generated from embryonic stem cells: Human heart tissue has for the first time been created in the laboratory. Generated from embryonic stem cells, the tissue could be used for testing and creating new drugs, for genetic studies, for tissue engineering and for studying the effects of various stresses on the heart.
Researchers seek heart of Black Hole mystery: New research has shown astronomers may not yet have uncovered the mystery at the heart of one of the Galaxy's oldest star systems, the globular cluster M15.
Bulimia And Impulsive Behavior Are Associated In Adolescence: This is the first study on bulimia and impulsivity in a large non-selected adolescent population sample. Bulimic behaviour was associated with bullying, truancy, excessive drinking and sexual disinhibition among both sexes.
Plasma probe scientists ready for Rosetta blast-off: Scientists who built and will control the instruments to investigate plasma changes around a comet describe their contribution to the ten year long mission at a pre-launch press briefing in London.
NASA successfully launches the ICESat/CHIPS satellites: The NASA Ice, Cloud and Land Elevation satellite (ICESat) and Cosmic Hot Interstellar Spectrometer (CHIPS) satellite lifted off from Vandenberg Air Force Base, Calif. aboard Boeing's Delta II rocket.
Deepest Wide-Field Colour Image in the Southern Sky: The combined efforts of three European teams of astronomers, targeting the same sky field in the southern constellation Fornax (The Oven) have enabled them to construct a very deep, true-colour image - opening an exceptionally clear view towards the distant universe.

January 13, 2003
Scientists witness end of the Dark Ages: Researchers using NASA's Hubble Space Telescope reported today they are seeing the conclusion of the cosmic epoch called the Dark Ages, a time about a billion years after the Big Bang, when newly-formed stars and galaxies were just starting to become visible.
Insight into the genetic pathways that drive segmentation like clockwork: Researchers at the Stowers Institute for Medical Research are gaining new insight into the molecular players involved in the process of vertebral column formation in the embryo.
Three Distant Quasars Found at the Edge of the Universe: Astronomers with the Sloan Digital Sky Survey have discovered three of the oldest, most distant quasars yet found -- quasars close to the Big Bang that began the universe.
Evolution of a Galaxy-Spanning Magnetic Fields Explained: Researchers at the University of Rochester have uncovered how giant magnetic fields up to a billion, billion miles across, such as the one that envelopes our galaxy, are able to take shape despite a mystery that suggested they should collapse almost before they'd begun to form.
ISS Expedition Six Science Operations Report: Remotely operated science combined with the human touch got the second Zeolite Crystal Growth (ZCG) experiment off to a good start during the past week.
Robotic telescope catches best record yet of optical afterglow of gamma-ray burst: A team of University of California, Berkeley, astronomers announced on Thursday, Jan. 9 that its robotic telescope has captured one of the earliest images ever of the visible afterglow of a gamma-ray burst.
International Space Station Status Report: Preparations continue in orbit for the 50th spacewalk dedicated to assembly and maintenance of the International Space Station. Commander Ken Bowersox and NASA ISS Science Officer Don Pettit are scheduled to step outside Wednesday about 6:30 a.m. CST.

January 10, 2003
Astronomers identify new type of star: A new type of star has been discovered lurking as a low mass component in a very compact binary star system.
Novel self-assembly processes for nanotech applications: Researchers at the University of Massachusetts Amherst have developed a series of novel techniques in nanotechnology that hold promise for applications ranging from highly targeted pharmaceutical therapies, to development of nutrition-enhanced foods known as nutraceuticals, to nanoscopic sensors that might one day advance medical imaging and diagnostics.
Endangered Northern Right Whales Exposed to Paralytic Shellfish Poisoning: With fewer than 300 northern right whales remaining, the seriously endangered species may face yet another obstacle to recovery. The right whale is regularly exposed to the neurotoxins responsible for paralytic shellfish poisoning (PSP) through feeding on contaminated zooplankton.
Black Holes form first, Galaxies follow: New Quasar Study: A study at Ohio State University has uncovered more evidence that black holes form before the galaxies that contain them.
Cosmic Hot Interstellar Plasma Spectrometer (CHIPS) ready to operate on 'The Bubble': NASA's Cosmic Hot Interstellar Plasma Spectrometer (CHIPS) satellite, scheduled for launch on Jan. 11, will study the gases and dust in space, which are believed to be the basic building blocks of stars and planets.
Astronomers poised to apply novel way to look for comets beyond Neptune: Lawrence Livermore National Laboratory astronomers are major partners in a scientific collaboration that will conduct an extremely novel search for small, comet-like bodies in the outer solar system using four half-meter telescopes.
Stellar cocoons in surprisingly harsh environment: University of Colorado at Boulder astronomers have discovered what they believe to be dozens of potential stellar cocoons within a giant star-forming region that may harbor disks of dust and gas that could one day form planetary systems.

January 9, 2003
Two global pollutants work to offset each other: University of Colorado at Boulder researchers have found, ironically, that two pollutants -- carbon dioxide and hydrocarbons emitted from agricultural forest trees -- offset each other somewhat in mitigating air quality problems.
Next-generation solar cells could put power stations in space: Someday, large-scale solar power stations in space could beam electricity to the surface of the moon, the earth and other planets, decreasing our dependence on a dwindling fossil-fuel supply.
Coronal activity may be 'buried alive' in red giant stars: When Earth's sun expands into a red giant star in roughly five billion years, long after Earth has become uninhabitable, the hydrogen core will be burned out and the bloated outer shell will be cool and murky.
Missing link found between old and young star clusters: One and a half billion years ago the small, inconspicuous galaxy Messier 82 (M82) almost smashed into its large, massive neighbour galaxy Messier 81 (M81), causing a frenzy of star formation.
Mammoth project reveals frozen secrets: In an article published in the first edition of Proceedings of the Physical Society in 1874, John Rae writes about the physical properties of ice and mammoth remains. He put forward a theory as to why so many of the mammoth skeletons found near the Yenesei river in Siberia had been found with their heads pointing southwards.
Blocking one protein helps cancer cells die of natural causes: Researchers have identified a protein fragment that keeps at least one major tumor suppressor gene from preventing cancer like it should. The fragment belongs to a class of proteins known as apoptotic enhancers (ASPP), named for their ability to stimulate programmed cell death, or apoptosis, by the p53 gene.

January 8, 2003
Polar bear headed for extinction: Unless the pace of global warming is abated, polar bears could disappear within 100 years, says a University of Alberta expert in Arctic ecosystems.
New insights on autism: Studies indicate that the number of diagnosed cases of Autism, or autistic spectrum disorder, is increasing with around 0.6% of the population affected. Early infantile autism was first described almost 60 years ago and autism has been the subject of intense research activities ever since, however the origin of the condition is still not understood.
Hitchhiking rocks provide details of glacial melting in West Antarctic: Rocks deposited by glaciers on mountain ranges in West Antarctica have given scientists the most direct evidence yet that parts of the ice sheet are on a long-term, natural trajectory of melting.
Biggest Zoom Lense in space extends the reach of the Hubble Telescope: The Advanced Camera for Surveys (ACS), aboard NASA's Hubble Space Telescope, has used a natural zoom lens in space to boost its view of the distant universe.
Rosetta - a comet ride to solve planetary mysteries: Rosetta's name comes from the famous Rosetta stone, that almost 200 years ago led to the deciphering of Egyptian hieroglyphics. In a similar way, scientists hope that the Rosetta spacecraft will unlock the mysteries of the Solar System.
Finding life away from Earth will be tough task, says noted paleontologist: Earth's most ancient fossils are hard to find. Some scientists think a few of the earliest fossils might still be preserved in Earth rocks blasted to the moon by an asteroid or meteor. Others believe much of the evidence has been erased forever by the constant heat and pressure of plate tectonics.
Wetlands clean selenium from agricultural runoff: Researchers from the University of California have found a natural detox program for selenium-contaminated farm runoff in the form of wetland vegetation and microbes.
Purdue researchers discover basis for biological clock: The biological clock – timekeeper for virtually every activity within living things, from sleep patterns to respiration – is a single protein, Purdue University researchers report.

January 7, 2003
Leading cloning experts challenge Clonaid to prove claim: In reaction to the recent claim by Clonaid that it had produced the first human clone, three international cloning experts emphasized that current cloning techniques have been shown to seriously compromise the health of cloned offspring.
Research finds life 1,000 feet beneath ocean floor: A new study has discovered an abundance of microbial life deep beneath the ocean floor in ancient basalt that forms part of the Earth's crust, in research that once more expands the realm of seemingly hostile or remote environments in which living organisms can apparently thrive.
Breast feeding can relieve pain during medical procedures: Breast feeding during a painful procedure reduces the response to pain in newborn infants, finds a study in this week's BMJ.
Milky Way monster stars in cosmic reality show: The longest X-ray look yet at the supermassive black hole at the Milky Way's center has given astronomers unprecedented access to its life and times. The new data from NASA's Chandra X-ray Observatory revealed that our galaxy's central black hole is prone to occasional large outbursts and explosions.
Scientists discover global warming linked to increase in tropopause height over past two decades: Researchers at the Lawrence Livermore National Laboratory have discovered another fingerprint of human effects on global climate. Recent research has shown that increases in the height of the tropopause over the past two decades are directly linked to ozone depletion and increased greenhouse gases.
Honey Bee Genome being sequenced: The department of entomology at Texas A&M University is abuzz with the news the honey bee genome is being sequenced by the Baylor College of Medicine Human Genome Sequencing Center, especially since Texas A&M helped that project take flight.
'Dark energy' dominates the universe: Dartmouth researcher is building a case for a dark energy dominated universe. Dark energy, the mysterious energy with unusual anti-gravitational properties, has been the subject of great debate among cosmologists.
NASA begins New Year with International Arctic Ozone study: NASA researchers, and more than 350 international scientists are working together this winter to measure ozone and other atmospheric gases. The scientists will use aircraft, large and small balloons, ground-based instruments and satellites.

January 6, 2003
New study ties moderate beer drinking to lower heart attack risk: A beer a day may help keep heart attacks away, according to a group of Israeli researchers. In preliminary clinical studies of a group of men with coronary artery disease, the researchers showed that drinking one beer a day for a month produced changes in blood chemistry that are associated with a reduced risk of heart attack.
Earth and Asteroid play orbital mouse and cat game: The first asteroid discovered to orbit the Sun in nearly the same path as Earth will make its closest approach to our planet this month before scurrying away for 95 years.
Effects of global warming already being felt on plants and animals worldwide: Global warming is having a significant impact on hundreds of plant and animal species around the world - although the most dramatic effects may not be felt for decades, according to a new study in the journal Nature.
Vast ring of stars found around Milky Way galaxy: A vast, but previously unknown structure has been discovered around our own Milky Way galaxy by an international team of astronomers.
Breakthrough brings laser light to new regions of the spectrum: Combining concepts from electromagnetic radiation research and fiber optics, researchers have created an extreme-ultraviolet, laser-like beam capable of producing tightly-focused light in a region of the electromagnetic spectrum not previously accessible to scientists.
ISS Expedition Six Science Operations Report: The International Space Station science team successfully completed the first Expedition Six research with the Zeolite Crystal Growth (ZCG) experiment on Wednesday.
Giant Black Holes and Disks on the Balance: Quasars and active galactic nuclei (AGN) are likely powered by matter accretion onto a super-massive black hole located at their center. Before being swallowed by the black hole, matter spirals towards the center, while forming an accretion disc.
Volcanoes on Jovian moon spew salt into atmosphere: Astronomers at The Johns Hopkins University, the Observatoire de Paris, and other institutions have solved a nearly 30-year-old mystery surrounding Jupiter's moon Io, showing that volcanoes there appear to be shooting gaseous salt into the moon's thin atmosphere.
International Space Station Status Report: The Year 2003 began quietly for the International Space Station Expedition 6 crew. Commander Ken Bowersox, Flight Engineer Nikolai Budarin, and NASA ISS Science Officer Don Pettit crossed the international date line 15 times during the last day of 2002, officially greeting the new year at midnight Greenwich Mean Time during their sleep shift.

[ December 2002 News Archive ]
 
© 2009 BrightSurf.com