Scientists can build an early-warning system for trolls
 

Almost every website with comments suffers from trolls, people who like to spout obnoxious and irrational gibberish just to offend others. Since you can't just ask people to behave like human beings, a lot of time and effort is spent monitoring and p...

http://www.engadget.com/2015/04/21/t...=rss_truncated