A brand-new species called the hermit crab caterpillar makes its own armor out of leaves

It's Okay To Be Smart/PBS Digital Studios A caterpillar recently discovered in Peru behaves unlike any otherknown caterpillar. The critter was spotted by Dr. Joe Hanson, the creator and host of the YouTube channel "It's OK to be Smart." Hanson, along withentomologist Aaron Pomerantz and guide Pedro Lima, werefilming in the Peruvian Amazon when they came across the creature. According to Hanson, this is the first known example of a caterpillar building itself a mobile shelter, which is why it has...