Last week, we explored the wriggly world of caterpillars... now, just as they work toward for their entire larval stage, we’re entering the next phase of metamorphosis. * Caterpillars aren’t the only ...

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 ...