Science Oct 26

Watch 7:38
Cracking the stealth political influence of bots

Among the millions of real people tweeting about the presidential race, there are also a lot accounts operated by fake people, or “bots.” Politicians and regular users alike use these accounts to increase their follower bases and push messages. Science…

Nation Jan 19

Watch 9:30
Spotting the fakes among the five-star reviews

Online reviews of businesses, from your corner coffee shop to your airport cab ride, are now ubiquitous. But fraudulent consumer reviews are also on the rise. Special correspondent Jackie Judd meets a fake review writer, as well as the people…