Robert Kirkman and Tony Moore's "The Walking Dead" comic book series begins in the heart of chaos. Rick Grimes, a deputy shot ...

The first full-stealth computer virus. In 1986, Brain was developed by Pakistani brothers Basit and Amjad Farooq Alvi, who were annoyed at having their heart monitoring software copied for free.

as long as their brain hasn't been destroyed. While Kirkman had never let anyone know the origin of the TWD zombie virus, the show did hint early on that this was not some mystical situation where ...

The axolotl (Ambystoma mexicanum) has extraordinary regenerative abilities—the salamander can regrow lost limbs and repair ...