Do you know the difference between a chrysalis and a cocoon? The short answer is that a chrysalis is made by a butterfly, a cocoon by a moth. Both contain a pupa, the stage between a caterpillar and a ...

Following is a transcript of the video. Narrator: What would you do for the power to fly? How about shedding your skin and dissolving your own muscles? Now, believe it or not, that gruesome process is ...