May 21, 2013 — Microsoft unveiled its new Xbox One Tuesday, displaying a device that takes new steps in game consoles' journey into becoming all-purpose entertainment and communication devices. The new console replaces the Xbox 360, which has been on the market for more than seven years.

May 22, 2013 — While studying microorganisms on humans is not new, tracking fungi is. In a census of sorts, scientists checked the skin of healthy volunteers. They found an expansive ecosystem of silent inhabitants.

May 22, 2013 — Some people are comfortable asking pretty bold questions about race. What are the most hilarious or outlandish questions you've been asked?

May 22, 2013 — "Someone asked me," Benjamin Franklin once said, "what's the use of a balloon?" They don't do much. They just float. What are they good for? And Franklin replied, "What's the use of a new-born baby?" They just sit there. They don't do much. You have to imagine possibilities. This is Franklin, in the 1780s, thinking about balloons.

May 22, 2013 — The role former CIA Director David Petraeus played in creating the discredited U.S. "talking points" about the violence in Benghazi, Libya, that left four Americans dead, including a U.S. ambassador, last year is under new scrutiny, as a Washington Post story suggests that Petraeus sought to shape the resulting memo to favor his agency.