Summary: Your teenage son wrecks the car. Your daughter shows up with her recently paroled boyfriend. These are the sorts of things that can make your hair turn gray overnight. Actually, it's impossible for hair to completely change color overnight. Learn more on this Moment of Science.<div class="feedflare"> <a href="http://feeds.feedburner.com/~ff/WfiuAMomentOfSciencePodcast?a=X9ApOSXX6rA:0JAaGS1IzfQ:yIl2AUoC8zA"><img src="http://feeds.feedburner.com/~ff/WfiuAMomentOfSciencePodcast?d=yIl2AUoC8zA" border="0"></a> <a href="http://feeds.feedburner.com/~ff/WfiuAMomentOfSciencePodcast?a=X9ApOSXX6rA:0JAaGS1IzfQ:F7zBnMyn0Lo"><img src="http://feeds.feedburner.com/~ff/WfiuAMomentOfSciencePodcast?i=X9ApOSXX6rA:0JAaGS1IzfQ:F7zBnMyn0Lo" border="0"></a> <a href="http://feeds.feedburner.com/~ff/WfiuAMomentOfSciencePodcast?a=X9ApOSXX6rA:0JAaGS1IzfQ:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/WfiuAMomentOfSciencePodcast?i=X9ApOSXX6rA:0JAaGS1IzfQ:V_sGLiPBpWU" border="0"></a> <a href="http://feeds.feedburner.com/~ff/WfiuAMomentOfSciencePodcast?a=X9ApOSXX6rA:0JAaGS1IzfQ:qj6IDK7rITs"><img src="http://feeds.feedburner.com/~ff/WfiuAMomentOfSciencePodcast?d=qj6IDK7rITs" border="0"></a> <a href="http://feeds.feedburner.com/~ff/WfiuAMomentOfSciencePodcast?a=X9ApOSXX6rA:0JAaGS1IzfQ:gIN9vFwOqvQ"><img src="http://feeds.feedburner.com/~ff/WfiuAMomentOfSciencePodcast?i=X9ApOSXX6rA:0JAaGS1IzfQ:gIN9vFwOqvQ" border="0"></a> <a href="http://feeds.feedburner.com/~ff/WfiuAMomentOfSciencePodcast?a=X9ApOSXX6rA:0JAaGS1IzfQ:TzevzKxY174"><img src="http://feeds.feedburner.com/~ff/WfiuAMomentOfSciencePodcast?d=TzevzKxY174" border="0"></a> </div><img src="http://feeds.feedburner.com/~r/WfiuAMomentOfSciencePodcast/~4/X9ApOSXX6rA" height="1" width="1">
