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Science

FINDINGS
Contraceptive Sponge Wins New Approval
The Today Sponge contraceptive is returning to the market after a decade as federal regulators approved it again yesterday.
05/01/2005 10:01 AM
Study Says Antarctic Glaciers Are Shrinking, Sea Levels May Climb
Most of the coastal glaciers along the 1,200-mile Antarctic Peninsula have shrunk as temperatures have risen over the past 50 years, and sea levels may climb if the trend continues, according to a study published today in the journal Science.
05/01/2005 10:01 AM
NASA Postpones Shuttle Launch by a Week
NASA has moved the target date for launch to May 22 to enable engineers to complete the analysis and review of critical changes made to the orbiter in the aftermath of the Columbia disaster.
05/01/2005 10:01 AM
FINDINGS
Antibiotics Do Not Cut Risk of Heart Problems
Two very large studies have reached the disappointing conclusion that regularly taking antibiotics does not prevent heart disease, as some scientists had hoped.
05/01/2005 10:01 AM
NASA Chief Considers Shuttle Launch
NASA Administrator Michael D. Griffin says the space shuttle may be launched even if it is not in full compliance with safety recommendations made in the aftermath of the Columbia disaster.
05/01/2005 10:01 AM
Universe May Have Begun as Liquid, Not Gas
New results from a particle collider suggest that the universe behaved like a liquid in its earliest moments, not the fiery gas that was thought to have pervaded the first microseconds of existence.
05/01/2005 10:01 AM
FINDINGS
Happy People May Be Less Prone to Disease
People who are happy may be better able to avoid debilitating health problems, a study by British researchers shows.
05/01/2005 10:01 AM
Radar Used to Track Butterflies' Loops
Researchers have developed a customized radar tracking approach, in which insects are fitted with electronic "transponders" that yield the first real-time mapping of the flight paths of butterflies in an agricultural setting.
05/01/2005 10:01 AM
SCIENCE
Hulls to Blame for 'Old Maids'
So why is it that whenever you make popcorn there are always unpopped kernels left at the bottom of the bowl or the bag at the movies -- the ones that stick in your throat, plug up your teeth and pop your fillings?
05/01/2005 10:01 AM
In Earth Orbit, A Rendezvous Managed by Robotic Craft
LOS ANGELES, April 16 -- A NASA robotic spacecraft located a Pentagon satellite in space without help from human controllers, but the mission ended early when the computer-driven craft detected a fuel problem, the mission manager said Saturday.
05/01/2005 10:01 AM
Engineers Present Plan to Service Hubble
NASA engineers have shown they could service the Hubble Space Telescope using only robots, implicitly challenging the plan to abandon the controversial $470 million mission.
05/01/2005 10:01 AM
FINDINGS
Aricept Only Delays Onset of Alzheimer's
Aricept, a drug long used to treat Alzheimer's disease, can delay its onset a bit but does not prevent it in people with mild cognitive impairment, U.S. researchers said yesterday.
05/01/2005 10:01 AM
Cloned Cows' Milk, Beef Up to Standard
Milk and meat from cloned cattle are almost identical in composition to the milk and meat from conventionally bred cattle, according to the first comprehensive assessment of the nutritional value of food from clones.
05/01/2005 10:01 AM
FINDINGS
Low-Fat Diets May Lack Nutrients for Children
Low-fat diets might be fine for adults, but at least one small study suggests grown-ups using that approach for their families could be depriving young children of vitamins.
05/01/2005 10:01 AM
Marine Life Complicates Removal of Old Oil Rigs
A dozen rusting oil rigs perched on the muddy bottom of the Gulf of Mexico have spawned lush marine habitats that are home to a profusion of rare corals and fish.
05/01/2005 10:01 AM
SCIENCE
Galileo's Debt to the Poet
Galileo Galilee, the Italian physicist, astronomer and mathematician, may have unintentionally cribbed one of his greatest insights from a countryman who had been dead 300 years: the poet Dante Alighieri.
05/01/2005 10:01 AM
Science's Doomsday Team vs. the Asteroids
Discovery of a rogue asteroid near earth demonstrates the tenacity of the small band of professionals and amateurs who track potential impact asteroids, and highlights the shortcomings of an international system that pays scant attention to their work.
05/01/2005 10:01 AM
More Evidence of Skull's Link to Humans
Scientists who three years ago discovered a nearly complete 7 million-year-old skull in central Africa have dug up additional evidence supporting the conclusion that the skull belonged to the earliest known human ancestor.
05/01/2005 10:01 AM
FINDINGS
Tomatoes Are Blamed In Salmonella Outbreak
Contaminated Roma tomatoes were the probable cause of a string of salmonella outbreaks that made 561 people sick in the United States and Canada last summer, U.S. health officials said yesterday.
05/01/2005 10:01 AM
Historic Voyager Mission May Lose Its Funding
In a cost-cutting move prompted by President Bush's moon-Mars initiative, NASA could put an end to Voyager, the legendary 28-year mission that has sent a spacecraft farther from Earth than any object ever made by humans.
05/01/2005 10:01 AM