This week, former president Nelson Mandela was briefly hospitalized for "a minor diagnostic procedure" and then released with a clean bill of health. He is staying at his house in Houghton, a suburb …

Whenever I speak about the emergence of drone warfare and how it has been used for U.S. targeted killings, people react with a mix of unease, fascination, and curiosity. They also often ask for sugge…

If many technology startups and established education firms have their way, the future of education will more closely resemble a one-on-one private tutor than a traditional schoolhouse classroom with…