Rescue workers in southern Lebanon risk their lives to save others

For civil defense workers in southern Lebanon, saving lives comes at an enormous personal cost, as they navigate relentless danger, mourn colleagues killed in Israeli strikes and struggle with memories of those they couldn't save. Also, a new study finds that the 2010 BP oil spill in the Gulf of Mexico has caused 60% of marine life to decline in the area. And, unofficial results show roughly three-quarters of voters in the Canadian province of Alberta rejected a move toward separation from Canada in this week’s vote. Plus, a look at why funding scientific research overseas matters.