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How Online Gamers Are Solving Science's Biggest Problems

A new generation of online games don't just provide entertainment – they help scientists solve puzzles involving genes, conservation and the universe. Such games have allowed players with little or no scientific knowledge tackle some of science's biggest problems. And gamers are already proving their worth.

13-Year-old Recycles Cooking Grease into Heating Oil for Needy Families

After reading an article in the local newspaper, Cassandra Lin discovered that many residents could not afford to heat their homes. Inspired to do something, she formed a team of seventh graders to recycle waste cooking oil and turn it into biofuel for distribution to needy families. They collected 36,000 gallons in one year.