Computer gaming really has grown up. Classic arcade title Pong turns 40 this week. The first commercially successful video game in history, Pong arrived in U.S. arcades on Nov. 29, 1972, and ...

Is the game Pong classified as a computer game or not? I got into an argument with a freind and couldn't decide if it was closer to being a console or a personal computer game.

MARTINEZ: That's right - the original table tennis arcade game from the 1970s. NPR's Jon Hamilton reports that this novel achievement is part of a larger effort to understand how brain cells learn.