Reasons to Believe

The tools that show seafarers were riding the surf off California 12,000 years ago

DailyMail.co.uk, "The tools that show seafarers were riding the surf off California 12,000 years ago," Mar 04, 2011; http://www.dailymail.co.uk/sciencetech/article-1362813/The-seafarers-riding-surf-California-12-000-years-ago.html