Math Trek Math A field where breakthroughs are hard to come by produces two big advances on a single day By Julie Rehmeyer June 24, 2013 at 9:52 am Share this:EmailFacebookTwitterPocketRedditPrint This article is only available to Science News subscribers. Subscribers, enter your e-mail address to access our archives. Client key* E-mail* Log in Not a subscriber? Science News is a nonprofit. Support us by subscribing now. Subscribe