Inspired by Dungeons and Dragons, adventure and role-playing computer games introduce unprecedented levels of choice and complexity to players.

Nintendo was like an impossibly huge wall. But if Mario was the undisputed king, an underdog was about to declare war. For Japanese game maker Sega, mainly known for its arcade cabinets, the battle was about winning the home console market. Sega's Genesis console and its speedy character, Sonic, hit the market.
In the early '80s, sports video games existed, but they didn't really look real. And one visionary entrepreneur had already started tackling the challenge of taking sports from the stadium onto the screen. Electronic Arts kicks off a partnership with football legend John Madden.

Street Fighter and Mortal Kombat give rise to head-to-head fighting genre, but the increasing graphic violence in games brings controversy.

This look at the life, success and scandals of golf legend Tiger Woods shows original footage and revealing interviews, including his former caddy and close friend, Steve Williams; golf legend and six-time major champion Sir Nick Faldo; Earl Woods' friend and biographer, Pete McDaniel; Tiger's first true love, Dina Parr; as well as Rachel Uchitel, the woman at the center of the sex scandal that forever altered Tiger's world, breaking her silence for the first time.

NASA is on a mission to send humans to Mars within just 15 years, but to reach this next frontier of space exploration, experts must discover new technology and cutting-edge science that protects astronauts from the Red Planet's deadliest killers.

Just about every solid, liquid, or gas in the world as we know it begins with reactions between individual atoms and molecules. Host David Pogue dives into the transformative world of chemical reactions, from the complex formula that produces cement to the single reaction that’s allowed farmers to feed a global population by the billions.