Most little kids get cranky when they have to leave home to go to kindergarten for the first time, but what if going to school meant hanging out inside an actual jet plane all day?

Don't worry, scientists are using their powers for good when they harness lightning in a lab to destroy concrete. The lightning zap breaks up the rubble into its core components without all the environmental mess created by shredding it.

It's hard to believe anyone throws away a pastry or excess coffee — that's extra body fuel you're wasting, buddy! With big food chains it happens all the time. In Hong Kong, the fact that Starbucks has about 5,000 extra tons of stale food and coffee grounds per year prompted the company to explore bio-refining.

Every year a staggering 50 million metric tons of e-waste — TVs, computers and cellphones — are deposited in landfills. In the U.S. we're often removed from the problem, but in third world countries sprawling landfills are often inter-twined with living and working spaces. An initiative has been floated to taking e-waste from landfills and using it to create e-learning gadgets for the local communities.