In Case You Missed It: Need-to-Know News from around the World

This article was originally published with the title "Quick Hits."

or to access other articles from the April 2015 publication.Already have an account? Digital Issue$5.99 Digital Issue + Subscription$39.99 You May Also Like

Scientific American Single Issue

Special Editions Volume 23, Issue 3s

Scientific American Single Issue

Conquering Space