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"Step inside the root system of an 8-foot-diameter
tomato with 5-foot horn worm crawling up the vine at the Great Tomato
Works in the Plant Science Center," Sheridan says. "There's also a
hydroponics exhibit showing how things can grow without soil. Don't miss
the solar and wind power exhibits." You can see oats being planted in the
fields, hand-milk a cow and make ice cream at this 235-acre farm and
science center where llamas and alpacas are among the 100 farm animals.