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Friday
Thursday
An iceberg that likely calved from Jakobshavn Isbrae, the fastest glacier in western Greenland. Ian Joughin/Science/AAAS hide caption
Can You Tell Emotion From Faces Alone? A new study suggests that when people evaluated just facial expressions — without cues from the rest of the body — they couldn't tell if the face was showing a positive or negative emotion. Enlarge this photo to see the answers. Hillel Aviezer/The Hebrew University of Jerusalem hide caption
The taste of Mock's tomatoes starts with the seed. He uses only organic varieties, including cherry and several heirloom varieties. Allison Aubrey/NPR hide caption
Tastier Winter Tomatoes, Thanks To A Boom In Greenhouse Growing
Researchers say they have identified traces of ice in craters on Mercury, seen here in this Oct. 8, 2008, image from the Messenger spacecraft. NASA hide caption
The seeds of this goosefoot plant are known as quinoa, a superfood now in high demand and grown almost exclusively in South America. But some growers think they have the formula to grow it up north. Janet Matanguihan/courtesy Kevin Murphy hide caption
Spinach has lots of opportunities to pick up E. coli and other bugs during harvest and growing. Here, a Mexican migrant worker cuts organic spinach during the fall harvest at Grant Family Farms in Wellington, Co. John Moore/Getty Images hide caption
Wednesday
A worker inspects a huge target chamber at the National Ignition Facility in California, in 2001, where beams from 192 lasers are aimed at a pellet of fusion fuel in the hopes of creating nuclear fusion. Joe McNally/Getty Images hide caption
Tuesday
Does This Guy Matter? Conductor Leonard Bernstein during rehearsal with the Cincinnati Symphony at Carnegie Hall in 1977. James Garrett/New York Daily News via Getty Images hide caption