By O. E. MacDougal Issue #154 • July/August, 2015 There was a time when it was thought that a defining difference between humans and animals was: we use tools, they don't. But, in the last few decades, it's been discovered that many animals are tool users. Before we go further, let's define...

By Martin Waterman Issue #37 • January/February, 1996 I can remember taking a trip as a child and seeing my first Burma Shave signs. Technically speaking, after 1963 all the 7,000 or so sets of signs were supposed to have been taken down. Still, my discovery may not have been unusual,...

By John Silveira Issue #35 • September/October, 1995 (This is a four-part series. Click the links to navigate to parts one, two, three, and four.) Do you think we'll ever have a woman as President?" I asked. "And what would you call her husband — the First Husband? The First Man? The...