Lowell Heddings, better known online as the How-To Geek, spends all his free time bringing you fresh geekery on a daily basis. You can follow him on Google+ if you'd like.
DID YOU KNOW?
Polar bears are so incredibly good at retaining heat energy that they’re practically invisible when photographed with infrared film. The only heat signature they have is the puff of warm breath leaving their mouths.