The 1954 15-page supplement to the 1948 Manual on Uniform Traffic Control Devices (MUTCD) included 47 revisions and a brief description of each. The 1954 manual represented the shift from using mainly regulatory and warning signs on interstate highways to including guide signs.

Mars Company has been producing M&M Chocolate Candies since 1941. Various rumors have since been attached to different colors of the candy: the green ones are an aphrodisiac; if the last candy out of a bag is red, make a wish and it will come true; if the last candy out of a bag is yellow, you should call in sick and stay home; orange M&Ms are good luck, but brown ones are bad luck.

We don’t care that this was for a photo shoot. Biking is after all, what made Lance Armstrong famous. And if you’re thinking of biking yourself, learn how to choose the right kind of bike at PlanetGreen. Credit: Amy Leibovitz for Vanity Fair