Downhill extreme: Rollerman overtaking motocycle!

Extreme sports at its best: amazing "Rollerman" Jean Yves Blondeau blasting high speed on mountain roads! LINK: Youtube

Digg Dialogg: Julia Mancuso

You submit and vote on the questions you want to see answered. The most popular ones are asked during the video interview. It's like having an all-access pass to some of the most prominent people in the world!

Julia Mancuso is an alpine ski racer on the US Ski Team, winning a gold medal in the Giant Slalom during the 2006 Winter Olympics. She made her World Cup debut at age 15, winning her first of many medals just two years later. Nicknamed ‘Super Jules’, a run at Squaw Valley pays homage to her wins and was recently renamed “Julia’s Gold.” LINK

Downhill racer

Scientists know about three spiders that roll, rather than walk, down sand dunes. Now they’ve found one that propels itself with handsprings.

The palm-size arachnid gets a running start and flings itself into a continuous cartwheel, which can move it along at almost 5 mph. LINK