Are Lone-Wolf Terrorists Really a Big Threat?

The recent attacks in Canada have raised concerns about lone-wolf terrorists who operate without orders from groups abroad. Members of Congress say it's a "huge" threat that require pre-emptives measures. But experts say lone-wolf attackers are a rare phenomenon, and efforts to stop them are a waste of time and money. » 10/27/14 12:00pm Monday 12:00pm

This Science Was Invented by a Man Who Believed That Plants Have Minds

Plants aren't as flashy as animals, but they're complex beings with elaborate survival strategies who actively engage with the environment around them, and sometimes even helping their fellow plants react to danger. Still, it would be rather a stretch to claim that they have "minds." And yet this is what Gustav… » 10/15/14 8:40am 10/15/14 8:40am

Why Conspiracy Theorists Are So Obsessed With JFK's "Umbrella Man"

At the moment when bullets were being fired into JFK's motorcade, a man can be seen standing on the side of the road near the car holding an open black umbrella. But it wasn't raining. This is exactly the kind of detail that sets a fire under conspiracy theorists — and here's why. » 10/14/14 9:30am 10/14/14 9:30am

This Moderately Immoral Study Shows How We Misidentify Our Emotions

In today's experiments, one of the most common tricks that experimental psychologists play is giving people placebos instead of drugs. In the past, it was pretty much the reverse. Doctors would call people in, tell them they'd get an innocuous substance, and then inject them with something a thousand times more… » 10/14/14 7:20am 10/14/14 7:20am