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...various birth-control methods found in most sex- education courses. Furthermore, it fails to offer any follow-up programs, outside counseling or guidance for teens who might become pregnant or contract a sexually transmitted disease. Kathleen Sullivan, director of Project Respect, defends her program: "We give the students a ton of information," she says. "We point out, for example, the tremendous failure rate of condoms...
...cool and misty dawn, circa 78 million B.C. A lone triceratops interrupts a leisurely meal of ferns and twigs to glance around uneasily. Though the 11-ton creature is an intellectual lightweight, it senses the danger lurking in the surrounding forest. Suddenly, out from behind a tree lumbers one of the largest and fiercest carnivores that have ever lived: Tyrannosaurus rex. Although this beast is a mere adolescent, it is 15 ft. tall and armed with dagger-sharp teeth. The triceratops attempts a retreat, but the cold-blooded creature can only move slowly. It is too soon after sunrise...
...tall juvenile T. rex, he speculates, was probably very active, capable of scampering like a groundbird. By contrast, mid-size individuals, averaging 12 ft. to 15 ft. in height, were probably somewhat less agile and may have traveled in packs. A full-grown, 40-ft.-long, eight-ton tyrannosaur must have slowed down even more, and may even have reverted to a solitary life-style. Says Brett-Surman: "They certainly wouldn't have turned somersaults across the landscape." As for the giant herbivores, which would have required hundreds of pounds of vegetation a day to sustain their enormous bulk, they...
...sense an ordinary star. It is a pulsar, the superdense ash left behind when a star exploded -- about a million years ago -- in the phenomenon known as a supernova. The blast blew off the star's outer layers and flung the 3,000 trillion trillion ton, Manhattan-size pulsar through space. The dead star generates an enormous magnetic field, which in turn sends out powerful radio pulses (hence the name pulsar...
...Kaaren Andrews, P'ton...