National

U.S. Marines with 3rd Battalion, 5th Regiment and the Afghan National Army provide cover as they move out of a dangerous area after taking enemy sniper fire during a security patrol in Sangin, Afghanistan, in November 2010. During its seven-month deployment, the 3/5 sustained the highest casualty rate of any Marine unit during the Afghan war, losing 25 men.

Protesters against Senate Bill 5, Ohio's new state law that curtails the collective bargaining rights of more than 350,000 public workers, gathered at the Ohio Statehouse in April. Democrats needed 231,000 valid petition signatures to block the law and put it on the Nov. 8 ballot — they got a whopping 900,000.

A pair of tweezers holds a graphene transistor fabricated on a silicon wafer. An I-Corps team from the University of Pennsylvania is working on scaling up their cheaper method of making high-quality graphene, an extremely strong, conductive material one atom thick that was the subject of a Nobel Prize last year.