Add Yahoo as a preferred source to see more of our stories on Google. Houston Museum of Natural Science's Herzstein Foucault Pendulum has stopped after decades, and museum visitors are wondering why.

“The only skyscraping girls’ school in the world” is small (600 students) Mundelein College, which is lodged near Lake Michigan in a 15-story building on Chicago’s North Side. A popular teacher of ...

A stunning discovery in the cellar -- Ancient logic: Bible and inquisition -- Failed experiments with falling bodies-- A science "irregular" in the age of the engineer -- The meridian of Paris -- ...