Last July, Nigeria was racked by four days of violence between security forces and a militant group trying to impose strict Islamic law. Ever since, there has been concern that the security forces may have killed many innocent civilians. Mike Hanna of Al Jazeera English reports, and Daljit Dhaliwal speaks to Eric Guttschuss of Human Rights Watch for more.

Following a failed attempt by Umar Farouk Abdulmutallab to blow up a flight into Detroit on Christmas morning, the Transportation Security Administration imposed tougher screening rules for passengers originating in 14 mostly Muslim nations. See more about the countries selected.

This year, the United Nations announced that Nigeria's film industry had surpassed the U.S. in numbers of feature films produced. Explore an interactive feature about the top film-producing nations and read a Q&A about the rise of "Nollywood."

Todd Moss of the Center for Global Development discusses whether President Barack Obama will make major changes to U.S. policy toward Africa and what approach the new president should take.

A Worldfocus contributing blogger writes about visiting a farm in Nigeria, where the majority of the population remains poor and hungry even though the country is one of the world's top oil exporters.