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...generation of flora. For example, many of the seed cones of the lodgepole pine, which covers 60% of the park, only open after being exposed to intense heat. Ecologists expect the fires to help restore the park's depleted stands of aspen trees and increase the wide array of insects, birds and mammals that have found Yellowstone's aging forests increasingly inhospitable. "It's part of living in an ecosystem that is basically wild and uncontrollable," says Louisa Willcox of the Greater Yellowstone Coalition, which supports the natural-burn policy...
...hopelessly ineffective -- even dangerous. Some people just forget to take pills, and repeated trips to the doctor for shots can be unpleasant and expensive. Tablets and injections can flood the bloodstream with drugs and disperse them unevenly through the system. And drugs can have toxic side effects. With an array of potent, highly specialized new therapeutic drugs on the market, scientists are busy developing a dazzling assortment of space-age techniques that promise to deliver the drugs to the body in safe and effective dosages...
Though the war in Afghanistan gave Soviet troops valuable combat experience, it exposed an array of equipment deficiencies. Machine-gun fire and U.S.-supplied Stinger missiles brought down heavily armored helicopter gunships. In a move reminiscent of the U.S. defeat in Viet Nam, Moscow called a halt to the fighting after nine years of frustration and began withdrawing its troops in May. Says David Isby, a U.S. military expert and author of Weapons and Tactics of the Soviet Army: "The vaunted Soviet military was basically fought to a standstill...
...thousands of New Yorkers sought relief early last month by heading for the area's public beaches. What many found, to their horror and dismay, was an assault on the eyes, the nose and the stomach. From northern New Jersey to Long Island, incoming tides washed up a nauseating array of waste, including plastic tampon applicators and balls of sewage 2 in. thick. Even more alarming was the drug paraphernalia and medical debris that began to litter the beaches: crack vials, needles and syringes, prescription bottles, stained bandages and containers of surgical sutures. There were also dozens of vials...
Rebuckling the planet's life belt may prove formidable. The federal Clean Water Act of 1972 overlooked runoff pollution in setting standards for water quality. Meanwhile, the nation's coasts are subject to the jurisdiction of a bewildering (and often conflicting) array of governmental bodies. One prime example of this confusion, reports TIME Houston Bureau Chief Richard Woodbury, is found in North Carolina's Albemarle-Pamlico region. There both the federal Food and Drug Administration and a state agency regulate the harvesting of shellfish. A third agency, the state's health department, surveys and samples the water and shellfish...