Certain plants have gone from helpfully purifying the air to devouring the flesh of animals. But how? Find out why some plants went rogue and began capturing living prey. More importantly, can we stop them from one day eating us?
We think that carnivorous plants are cool. Why? Because we're sure they can't eat us unless we willingly feed them pieces of our flesh. They only eat bugs. Where's the threat? Then we find a group of pitcher plants in the Philippines that eat rats, and the gaping maws of venus flytraps don't look so cute anymore. How did the gentle greenness that makes hippies wax rhapsodic turn mean? It's tough to say, but it involved first fighting for survival against tough odds, and then indulging an ever-increasing bloodlust.