Ape Ticklers Believe Mammalian Laughter Goes Way Back
NEW YORK — When scientists set out to trace the roots of human laughter, some chimps and gorillas were just tickled to help. Literally. That's ...
- BIG NEWS:
- Israel
- |
- David Letterman
- |
- Barack Obama
- |
- Tiger Woods
- |
AP | MALCOLM RITTER | Posted 07.05.2009 | Green