Karen Wentworth Latest articles by Karen Wentworth North American Passion for Caffeine A Thousand Years Old By Karen Wentworth published 15 August 12 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 ARTICLES1Even brief exposure to air pollution can push the placenta into an inflammatory state, lab study suggests2'Rare' ancestor reveals how huge flightless birds made it to faraway lands3Oldest-known dome-headed dinosaur discovered sticking out of a cliff in Mongolia's Gobi Desert 4Scientists invent new sunscreen made from pollen5'The sun is slowly waking up': NASA warns that there may be more extreme space weather for decades to come
North American Passion for Caffeine A Thousand Years Old By Karen Wentworth published 15 August 12 Native Americans sought the buzz of caffeine for ritual cleansing.
