A surprising number of American skyjackers were not yet old enough to drink or sometimes even drive. These adolescents were generally inept at planning their crimes, and few of their capers met with any success; most seemed to end within moments of starting, usually after a fatherly pilot convinced the nervous teen to hand over his gun.

A duped newspaper or magazine could contend that a fiction-spouting journalist obtained part of his salary via fraud, and use a criminal proceeding to try and recoup that money. Given the profession's notoriously low wages, however, it's probably not worth the publicity headache and legal fees. No news organization has ever pursued such a case.

The goal of mass transit is to convince people to abandon their cars, which feature such enticing accessories as CD players and elbow room.

The hazards posed by Near-Earth Asteroids are assessed by Sentry, a computer system developed by the Near-Earth Objects Group at NASA's Jet Propulsion Laboratory in Pasadena, Calif. The software factors together a cosmic rock's coordinates, distance, velocity, and gravitational influences to calculate its trajectory.