We have the chemical menthol to thank for the wonderful mouth-feel of peppermint. Scientists now know that menthol fools the brain by activating receptors involved with sensing cold.
In 1990, our commentator visited Africa and fell in love with the energy and dreams of its people. Today he sees a land full of promise. But Ebola has revived the image of Africa in chaos.
A framework for measuring opportunity and outcomes.
For Dr. Gavin Francis, Christmas Eve marked the start of a year-long stay in an icy research base 8,700 miles from home. In this "empire of ice and isolation," he says, food is essential to morale.
Some say a vaunted attempt to improve the quality of colleges is dead on arrival. Let's find out why.
Tunisia launched the Arab uprisings four years ago when it ousted a dictator. Sunday's presidential election heralds the country's steady, but not-yet-guaranteed progress.
This week, President Obama announced that he will begin to normalize relations with Cuba. Cuban-American writer Richard Blanco recommends a book about Cuba's imprint on the American imagination.
At 31, a woman had the bacteria in her gut catalogued as part of scientific project that aims to characterize the creatures that live inside us and affect our health. Here's what she found out.
Melissa Block talks to Sony Pictures CEO Michael Lynton about the cyber attack against his company and the cancellation of the Christmas Day release of The Interview.
The president discussed issues ranging from normalization of relations with Cuba to Sony Pictures' decision to cancel release of the film 'The Interview' after a North Korean hack attack.