Turns out, it's still possible to build a better bottle cap – and, maybe, get rich doing it.

This week, the winners of the annual Big Bang business plan competition at the University of California, Davis, took home $15,000 in start-up funding for a newfangled cap they say combines the breathability of cork with the reliability and convenience of a screw cap.

"We will end the screw-cap debate," said Tim Keller, 33, a winemaker and business school student who led the winning team. Read more...