An oil leak in lake MichiganArsenic poisoningLead poisoningSewage contamination
Once every 7,000 yearsTwice every 10,000 yearsTwice every 5,000 yearsOnce every 20,000 years
It's once every 20,000 years.
The mystery planet might follow a 20,000-year orbit around the sun, astronomers reported on Wednesday, and would explain the far-flung orbits of dwarf planets beyond Pluto.
It's the Taliban.
The Pakistani Taliban claimed responsibility for the attack in a phone call made to the Associated Press. A group leader, Khalifa Umar Mansoor, said a four-man team conducted the assault. He says it was in revenge for the scores of militants the Pakistani security forces have killed in recent months.
The minimum wageObama’s executive actions on immigrationThe Confederate flag on federal landDiscrimination against transgender students in religious schools
It's Obama's executive actions on immigration.
The court decided to hear the administration’s defense of President Obama’s immigration executive actions, which were challenged by Texas and more than two dozen other states. His plan would defer deportation for up to 5 million immigrants.
The Detroit LionsVia wikipediaThe Buffalo BillsVia wikipediaThe Seattle SeahawksVia wikipediaBaltimore RavensVia wikipedia
It's the Buffalo Bills.
The Buffalo Bills made history Wednesday, hiring Kathryn Smith as their new special teams quality control coach. Smith has worked for the last two seasons as the administrative assistant to head coach Rex Ryan, and she has worked with the Bills in different roles for the last seven years.
Hunting With The PalinsSarah Palin's AlaskaThe Palin ClanSarah Palin's Country
It's Sarah Palin's Alaska.
Palin emerged from the 2008 campaign as a star in the grassroots conservative movement. Her endorsement is a major pickup for Trump in Iowa, where he’s running neck and neck with Texas Sen. Ted Cruz.
Frey co-wrote some of the Eagles' most famous songs, including "Take It Easy," "Lying Eyes," "Desperado," and "Hotel California." He went on to write and perform his own hits after the band broke up.
Jada Pinkett SmithVia Jason Merritt / Getty ImagesSpike LeeVia Andrew Burton / Getty ImagesChris RockVia Mark J. Terrill / ASSOCIATED PRESSWill SmithVia Jason Merritt / Getty Images
It's Chris Rock.
Rock is this year's Oscars host. Tyrese Gibson, who is supporting the boycott, encouraged Rock to "make a statement” about the lack of diversity,