Karen Wentworth Latest articles by Karen Wentworth North American Passion for Caffeine A Thousand Years Old By Karen Wentworth published August 15, 2012 Native Americans sought the buzz of caffeine for ritual cleansing. Human Behavior Sign up for the Live Science daily newsletter nowGet the world’s most fascinating discoveries delivered straight to your inbox.Contact me with news and offers from other Future brandsReceive email from us on behalf of our trusted partners or sponsors LATEST ARTICLES1Are cats the only animals that purr?2Science news this week: A unique new blood type and 'spiderwebs' on Mars3Rocks in Canada may be oldest on Earth, dating back 4.16 billion years4Scientists discover rare planet at the edge of the Milky Way using space-time phenomenon predicted by Einstein5Listen to the Andromeda galaxy's stars played as musical notes in eerie NASA video
North American Passion for Caffeine A Thousand Years Old By Karen Wentworth published August 15, 2012 Native Americans sought the buzz of caffeine for ritual cleansing.
