A typical 14-year-old goes to the beach to play in the waves. But Daniel Feeny went to a beach near Pescadero, Calif., to study them. Using a homemade rig of springs and balls, he showed that the force of the waves close to shore doesn't dictate the diversity of marine life. "I discovered that nature doesn't work that way; it's not that simple," says Feeny, now 15, who ran his experiment as an eighth-grader at Woodside Elementary School. "Many variables ... can affect diversity, like the terrain and drying out."
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