Why Does That Happen? Why don't stretch marks just disappear? Why do bruises turn green and yellow? And why does ringworm form a ring when it isn't even a worm?! Welcome to CurioBubbles, where everyday questions turn into cute, bite-sized science comics! From the weird things our bodies do to the wonders of nature, join a cast of adorable characters (and one slightly judgmental cat) as we explore the science behind it all. :>

• Informative