Arran has said he would like to solve the Riemann hypothesis - a theory about the patterns of prime numbers which has baffled the greatest mathematicians for 150 years.

BBC: Arran Fernandez

Today, in addition to writing a book on prime numbers, he oversees a private 13.5-foot-tall ramp open to him and about three dozen others in Seattle.

WSJ: I Say, That's One Gnarly Grind You Just Executed

Pure electric cars and plug-in hybrids are just now testing the waters in limited numbers and are yet to be ready for prime time.

FORBES: California Orders Automakers To Sell More Plug-In and Fuel-Cell Cars