Students Explain Science to President

They're too young to vote, but they're already designing cancer-fighting therapies, solar-powered cars and robots to combat distracted driving. One team of students cooked and sold tamales to raise enough money to build a better wheelchair for a classmate with disabilities. Another built a water-efficient toilet out of bubble wrap, plexiglass and PVC piping. President Obama honored these and other students at the first-ever White House Science Fair on Monday, kicking off a week of ...