In the legendary Sherlock Holmes story "The Hound of the Baskervilles," by Arthur Conan Doyle, Sir Charles Baskerville dies from a heart attack brought on by extreme psychological stress. Findings ...
You wrinkle your nose and squint when you see a dead rat in the road, but open your eyes, nose and mouth wide when you see a live one in your bedroom. Why? Common facial expressions like disgust and ...