Matter: All by Itself, the Humble Sweet Potato Colonized the World Many botanists argued that humans must have carried the valuable staple to the Pacific from South America, a hidden chapter in human history. Not so, according to a new study. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Americans Jailed After Failed Coup in Turkey Are Hostages to PoliticsGlobal Economy’s Stubborn Reality: Plenty of Work, Not Enough PayDanish Police Recover Some Missing Body Parts of the Journalist Kim WallTom Alter, Blue-Eyed Star of Bollywood Films, Dies at 67Once Shunned as ‘Drivers,’ Saudi Women Who Fought Ban Now CelebrateRebuilding After Harvey: ‘Our Son Needs Us’