Bend / Central Oregon News, Sports, Business, Weather, Entertainment, Classifieds and Local & State Headlines | The Bulletin

Use Advanced Search to filter by date and category. *keyword is required in search field.
start date (MM-DD-YYYY):
 -  - 
end date (MM-DD-YYYY):
 -  - 
category:
Archive Home > 2009 > June > 05 > Ha-ha! Ape study traces the evolution of laughter

Ha-ha! Ape study traces the evolution of laughter

By Malcolm Ritter / The Bulletin
June 5, 2009

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 how researchers made a variety of apes and some human babies laugh. After analyzing the sounds, they concluded that people and great....

Read complete article

Published daily in Bend, Oregon, by Western Communications, Inc. Copyright 2007.