Have you ever taken a walk through the rain on a warm spring day and seen that perfect puddle? You know, the one where the raindrops seem to touch down at just the right pace, causing a dance of ...

Gregory Moore does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

Jack in Puddle (Robert Murphy). http://www.flickr.com/photos/imurphy/22752012/ Creative commons license. It's Spring and about this time each year, a little ritual ...

Rochester Institute of Technology provides funding as a member of The Conversation US. Have you ever taken a walk through the rain on a warm spring day and seen that perfect puddle? You know, the one ...