PHOTO: #TBT to When Black Sabbath Opened for Mountain
Old school concert poster from the early 1970s (look at those ticket prices!)
SCIENCE: There’s a New Way to Calculate Your Dog’s Age in Human Years . . . but It Sucks
Some math nerds TRIED to use calculus on something we actually care about. But they just made things more confusing . . . You’ve heard that a “dog year” equals seven “human years.” But everyone knows it’s