Watch an Early Premiere of Build to Mega Race Part 2

It's Motor Mega Week on Discovery GO. | [...]

Trying to lose weight, eh?

Why is it so hard to keep weight off after losing it? One study suggests it's because your body wants you to put it back on.!-- [...]

Ever wonder what those lines are in the sky?

Ever look at the sky and see a "cloud" trailing from an airplane? They're called "chemtrails" and have odd explanations for their existence.!-- [...]