Dan Ackerman leads CNET's coverage of computers and gaming hardware. A New York native and former radio DJ, he's also a regular TV talking head and the author of "The Tetris Effect" ...

The dirk knife traces its origins to several hundred years ago when Scottish natives used these knives for combat instead of more expensive swords. Modern dirk knives still work for combat and ...

Four teenagers have been locked up after a passenger was stabbed in an unprovoked attack on an afternoon bus in Croydon. One of the group lunged at the victim, who detectives said was lucky to survive ...