This 16-year-old student invented a bulletproof backpack and is now a finalist at the world's largest high school science fair

This 16-year-old student invented a bulletproof backpack and is now a finalist at the world's largest high school science fair

The Regeneron International Science and Engineering Fair begins Sunday in Dallas.Courtesy of Society for Science <ul> <li>The world's largest high school science fair starts Sunday in Dallas, Texas.… [+6316 chars]

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