Rice Guys Finish Last

How you behave in Starbucks may reveal something about whether your ancestors grew wheat or rice. That’s the conclusion of a new study in China, which finds that people descended from wheat farmers—who largely rely on themselves—typically drink coffee alone, whereas descendants of rice growers—who must work with their community to build complex irrigation fields—tend to sip in groups. Jeff and Anthony wonder where Pumpkin Spice Latte drinkers came from.  More Details/Download MP3 →

Big Haply Family

IN THE LAST 20 years, genealogy websites have attracted more than 15 million customers by promising insights into your past. It’s deeply personal, affecting stuff. But when your family tree contains thousands, millions, even tens of millions of people, it’s no longer a personal history. It’s human history. Recently, scientists from the New York Genome Center, Columbia, MIT, and Harvard scraped crowdsourced public records into family trees the size of small nations. Their analysis, which was published today in Science, includes the single largest known family tree, containing 13 million people. Your cousins Jeff and Anthony discuss this story.  More Details/Download MP3 →