Many of this country's naturally gifted scientists—its most inquisitive, observant, persistent citizens—share a handicap: they can't read yet. They also can't play with matches, focus microscopes or see over lab tables. "Children love to explore the natural world. They love to make sense out of it," says Carlo Parravano, director of the Merck Institute for Science Education, which trains teachers in New Jersey and Pennsylvania, "By fourth grade, we squash that curiosity with the way we teach science."
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