Fossils and Other Living Things

I was sent a photograph of a bluebird sitting on a nest of eggs in a bird box.   The sitter was definitely a male; it's fairly easy to d...

  In the opening of my most recent pos t where I wrote about the essential role in science of challenging conclusions,   I quoted Carl Sagan...

There is an exchange between two characters in Tom Stoppard’s mind-bending play Arcadia (1993) that captures in a clever way the essence of...

Mike Tidwell, climate activist and founder of the Chesapeake Climate Action Network , posits that, if you were to throw a dart at a spinning...