Why Kids Pull the Trigger

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Why Kids Pull the Trigger         Two teachers are killed by students in less than one week. Why? Read More WATCH VIDEO: Explaining the Empathy Switch in Psychopaths Are psychopaths' brains hardwired to be emotionless? Hubble Lens to Get Superboost         Astronomers attempt to boost the Hubble Space Telescope using naturally occurring zoom lenses in space. Read More WATCH VIDEO: Do Parallel Universes Exist? Scientists find more evidence there are parallel universes -- parallel, but different to our own. Missing Costa Concordia Victim Identified         DNA tests indentify remains found at the wreck as belonging to a 50-year-old female Italian passenger. Read More WATCH VIDEO: Costa Concordia: An Ecological Time Bomb Locals worry their pristine waters are in danger.  Magic Pill Erases Bad Memories: Video         It's a whole new approach to ridding yourself of bad memories, and it might be in your medicine cabinet right now! Watch Follow Discovery News on Facebook! Get your sci-tech headlines all day on Twitter too! Follow us @Discovery_News. At Discovery we value your privacy. If you would like to be removed from Discovery News emails like this, please click here to our subscription center, where you can manage your account. We recently updated our privacy policy. This policy is effective as of 10/30/07. To see new policy click here . Discovery Communications, LLC One Discovery Place Silver Spring, MD 20910 © 2013 Discovery Communications, LLC