http://curry.edschool.virginia.edu/frog/

Ever wonder how many frogs are sacrificed each year in middle- and high-school biology classes? In an effort to save frogs and comfort the squeamish, a team of educators led by Curry School professor Mable Kinzie created "The Interactive Frog Dissection: An Online Tutorial," better known as "NetFrog," in 1994. Since then, it has received more than 930,000 visits and more than a dozen awards. The site uses photos, videos and text to lead users step-by-step through a dissection procedure, either as a preparation or substitution for the more traditional -- and messy -- hands-on approach.

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