Fresh snow can look like a blank sheet of paper, so bright it almost hurts to stare at in midday sun. Yet at the microscopic level, those flakes are not white at all, and the color we think we see is ...

Pay attention to the snow on your roof. If you don't clear it off in a timely manner, you're asking for trouble. Jon Skillings is an editorial director at CNET, where he's worked since 2000. A born ...