Were you allowed to watch R-rated movies as a kid? Do you smoke now? Learn about the link between smoking and R-rated movies on this Moment of Science.
Did you know that psychologist B.F. Skinner showed pigeons can form superstitious beliefs?
To really behold the stars these days, you have to travel far from cities and towns to escape urban glow. The magnificent sight of the Milky Way, for example, can now only be seen in rural areas. But why do we shine light up into the sky in the first place? We need light shining down on streets and walkways–not up into the sky!