When it comes to the relationship between clouds and temperatures on the ground, there is still so much to learn. In a world of changing climates, we still don’t know whether shifts in cloud cover globally will add to or decrease the temperatures below. Gavin Pretor-Pinney (Member 001) contributed recently to an episode of Unexplainable, a Vox podcast about the unsolved mysteries of clouds, called Cloudy with a Chance of Chaos.