Body Builders

S1 E6: Ed Yong wants to learn how to become invisible. In nature, that can be a handy superpower if you are a favorite snack of several underwater predators. The Hawaiian bobtail squid has learned to master this trick. But it can’t do this alone. It has help from its microbes. Microscopic organisms inhabit the squid’s light organ, and they are the secret to the bobtail squid’s ability to turn invisible.