Bite into that bread before your main meal, and you'll spike your blood sugar and amp up your appetite. Waiting until the end of your dinner to nosh on bread can blunt those effects. iStockphoto hide caption

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Melissa Malzkuhn, director of the Motion Light Lab at Gallaudet University, suits up in motion capture to record a nursery rhyme for deaf children. Emma Bowman/NPR hide caption

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Family means a lot on Cayo Santiago, an island and monkey research colony off the coast of Puerto Rico. The colony of rhesus macaques living on the island since the 1930s has allowed scientists to trace kinship ties and effects across an extended community. Anders Kelto/NPR hide caption

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One of the 20 GPS sensors deployed on Greenland's Helheim Glacier to track its movement. Alistair Everett/Swansea University hide caption

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Eating eggs with your salad helps boost absorption of carotenoids — the pigments in tomatoes and carrots. Photo illustration by Meredith Rizzo/NPR hide caption

itoggle caption Photo illustration by Meredith Rizzo/NPR