Holding a Grudge

Corvids are among the smartest animals on the planet, and Mo reports that the United States military considered tactical uses for their intelligence. The dream of "spy crows" sprang from research conducted at the University of Washington, where researchers donned rubber masks in the likenesses of Dick Cheney and 'cavemen' to study facial recognition among crows. Perhaps untrue to form, the cavemen molested the crows while the Dick Cheneys left them alone. For months and even years afterward, the crows harassed anyone seen wearing a caveman mask on campus. Now all the Pentagon needs is…