Researchers at Northwestern University recently completed a study in which they were able to restore monkeys' paralyzed hands to "near-normal function" by inserting electrodes into their brains and electronically triggering neural activity.

Like all magazines, New Scientist is desperate for any gimmick to attract slackjawed readers from our increasingly video game-addled society of functional illiterates. NS's idea: "neuro-marketing" to design an irresistible cover. The incontrovertible findings: human brains are quite dumb.

New Scientist Tech reports on new surveillance systems that can detect violent behavior.