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August 9, 1987 | Compiled from Times staff and wire service reports
Scientists have found evidence that the gassy halo of Halley's comet contains tiny chains of formaldehyde molecules that may be older than the solar system. The evidence comes from data collected by the Giotto spacecraft as it flew by the comet in March, 1986, according to two papers in the current issue of Science magazine. Comets are considered remnants of the gas and dust that condensed to create the sun and its planets.
November 14, 1986
AIDS "now ranks as the most serious epidemic of the last 50 years," an international group of researchers declared in a report that urges global cooperation to head off the spread of the deadly acquired immune deficiency syndrome. Noting that several million people around the world now are infected with the AIDS virus, the researchers called for "a major international commitment, not only in terms of providing financial help but also in providing scientific, educational and technical assistance."
September 19, 1988
In Atlanta and certain other southern cities, trees may contribute more hydrocarbons to the formation of photochemical smog than do cars and factories, according to computer modeling studies conducted by researchers at the Georgia Institute of Technology. These emissions may doom the Environmental Protection Agency's attempt to control pollution by restricting release of man-made hydrocarbons, the researchers said.
March 26, 1990 | From staff and wire reports
More than a billion tons of carbon emitted into the atmosphere each year in the form of carbon dioxide cannot be accounted for but is probably being absorbed by land masses in the Northern Hemisphere, researchers from the National Oceanic and Atmospheric Administration reported last week in Science magazine. Release of carbon dioxide into the atmosphere is believed to be contributing to a warming of the planet through the greenhouse effect, which traps heat at the Earth's surface.
May 8, 2001
Arthur Walker, 64, a Stanford physics professor whose work helped scientists investigate mysteries of the sun, died at his Stanford home April 29 of cancer. Using X-ray and thin-film telescopes, Walker photographed the sun's corona, or outermost atmosphere, obtaining images that were printed on the cover of the Sept. 30, 1988, Science magazine.
July 8, 2013 | By Paul Whitefield
So, you have to fly soon, but Saturday's dramatic crash of an Asiana Airlines jetliner in San Francisco has given you a bad case of the jitters?  Short of driving, or taking the train or a ship -- or canceling your trip -- there's not much choice for modern-day travelers besides airliners.   But, is there anything you can do to increase your odds of survival in a plane crash? Yes. You can watch where you sit -- and find a seat in the back of the plane. Remember that statistics class you failed in high school?
January 9, 2006 | Barbara Demick, Times Staff Writer
The boy who became known as "Donor 2" was propped up in a wheelchair when a team of esteemed scientists strolled into his hospital room nearly three years ago. Nine-year-old Kim Hyeoni had been hit by a car while crossing the street the previous year. Once a chubby-cheeked child who loved baseball and practical jokes, he now was paralyzed from the chest down. "Sir, will I be able to stand up and walk again?"
July 1, 1986 | Associated Press
Science 86, the award-winning popular science magazine that helped pioneer a trend toward glossy, technical publications for lay readers, will cease publication with its current issue and sell some assets to Time Inc., it was announced Friday. The American Assn. for the Advancement of Science, which began publishing the magazine as Science 80 in the fall of 1979, said it is selling its Science 86 subscriber list and licensing the publication's name to Time for two years as part of the deal.
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