Making and taking a hit chest to chest, instead of skull to skull, is easier to remember if you're not wearing a helmet, say University of New Hampshire Wildcat football players. Jack Rodolico/New Hampshire Public Radio hide caption

itoggle caption Jack Rodolico/New Hampshire Public Radio

When it comes to salty french fries or pizza served at lunch, schools may get more time to dial back sodium content, thanks to a provision in the federal spending bill headed for a vote on Capitol Hill. Joe Raedle/Getty Images hide caption

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Makutu Jabateh hugs her daughter, Mabana Konneh, 5, as the little girl returns home to her neighborhood in Jacobstown, Monrovia. John W. Poole/NPR hide caption

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Samples of carrots cooked three ways are placed on a table for the kids at Walker-Jones Educational Campus, in Washington, D.C., to sample after they have finished lunch. The crowd favorite will later end up on the school lunch menu. Claire Eggers/NPR hide caption

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In sighted people, the part of the brain that recognizes faces is linked to the brain's visual system. But in blind people it seems wired to circuits that process sound. Tina Zellmer/Ikon Images/Corbis hide caption

itoggle caption Tina Zellmer/Ikon Images/Corbis

When beverage companies like Pepsi create ad campaigns with stars like Beyonce, they're trying to appeal to youth, says Jennifer Harris of the Rudd Center for Food Policy & Obesity. Walter McBride/Corbis hide caption

itoggle caption Walter McBride/Corbis

A woman enters the Ebola treatment center at the Island Hospital outside of Monrovia, Liberia, Oct. 6. She said she was bleeding heavily from a miscarriage and was turned away from other clinics in the city. John Moore/Getty Images hide caption

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