Going out in the cold isn’t what causes you to get a cold. Unless it is. Scientists at Yale think they’ve found a key clue to understanding the effectiveness of the rhinoviruses, which apparently takes advantage of the cold air in our noses.” Maybe this is why my kids scrunch of their noses every time I tell them not to leave the house without a coat.

+ 95% of Americans risk eye problems by staring at screens all day. (The other five percent figured out how to increase the font size.)