A typical smart phone has more computing power than Apollo 11 when it landed a man on the moon.

In many parts of the world, more people have access to a mobile device than to a toilet or running water.

The typical white American woman in 1800 gave birth seven times; by 1900, the average was down to 3.5.

Years later, nothing makes me more grateful as a parent than my daughters' encounters with classroom wizards.

Twenty-first century war adds new risks: more and more often there are no front lines, no central command, no rules of engagement - only a chaotic collision of politics, power, faith and bloodlust. Victims are as likely to be civilians as soldiers.

George W. Bush, though a president's son, is cast as Reagan's heir even more than his father's.