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 John Silveira Issue #125 • September/October, 2010 It's become a minor Internet phenomenon. The ad reads: It's also been read by Jay Leno on his late night TV show, on National Public Radio more than once (including Car Talk), on craigslist.org (sans the P.O. box), it's been printed on T-shirts, discussed...

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...