Issue On the Cover Published April 15, 2015 at 2171 × 2881 in The American Scientist Magazine May–June 2015 with Cover Illustration by Dominique Navarro, from the AUC Press Nature Foldouts Next → Share this:Click to email a link to a friend (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Twitter (Opens in new window)Like Loading...