The Truth is in the Tooth: Braces, Cavities, and the Paleo Diet

Brush, floss, and forget: chances are, you only think about your teeth when they cause you trouble. But teeth have tales to tell, such as how old we are, how fast we grew, and how far we've traveled... But, most intriguingly, teeth can tell us both what we evolved to eat and what we actually have been eating. Paleo diet fans insist that our modern teeth troubles—all those pesky cavities—come from eating the wrong diet. If we only ate what our ancestors ate—meat, berries, and no grains—we'd be fine, they claim. But what do our teeth say? Tune in this episode to find out the toothy truth.

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Who Invented Mac and Cheese?

The warm, gooey dish, a childhood staple across North America, is many things to many people: a mainstay of African-American Sunday dinners, according to soul food expert Adrian Miller; a comforting yet celebratory meal that can be jazzed up in dozens of ways, according to chef and former mac and cheese restaurant owner Allison Arevalo; and Canada's de facto national dish, according to journalist Sasha Chapman. So what do the Swiss Alps have to do with macaroni and cheese? Listen to this special sponsored episode for the story of where mac and cheese really came from and how it ended up in a little blue box. Plus, some tips for making the very best macaroni and cheese from scratch.

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How the Carrot Became Orange, and Other Stories

Thousands of years ago, in what's now Afghanistan, people unearthed the tangled, gnarled roots of Queen Anne's Lace—a ubiquitous, hairy-stemmed plant with a spray of tiny white flowers. These fibrous, twisted roots were white and bitter-tasting, but they had an appealing spicy, pine-y, earthy aroma. This was the unpromising ancestor of one of America's most popular root vegetables (second only to the mighty potato): today, it's mostly consumed in the form of two-inch orange slugs, marketed under the label "baby carrots." So how did this white, woody root become orange, as well as purple and yellow and even red? Listen in now to find out—and hear the story of the invention of the baby carrot.

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