The Birth of Venus, by Sandro Botticelli, depicts the goddess of love floating on a giant scallop shell. The word aphrodisiac derives from her Greek name, Aphrodite. Sandro Botticelli/Wikimedia hide caption

itoggle caption Sandro Botticelli/Wikimedia

Raymond Smith of Charleston, S.C., kneels in prayer in front of the Emanuel AME Church in Charleston before a worship service on June 21. Stephen B. Morton/AP hide caption

itoggle caption Stephen B. Morton/AP

Mammoths had a distinctive version of a gene known to play a role in sensing outside temperature, moderating the biology of fat and regulating hair growth. That bit of DNA likely helped mammoths thrive in cold weather, scientists say. Courtesy of Giant Screen Films, 2012 D3D Ice Age, LLC/Penn State University hide caption

itoggle caption Courtesy of Giant Screen Films, 2012 D3D Ice Age, LLC/Penn State University

"Who Gets Kissed" corn is a variety bred in Wisconsin specifically for organic farmers. It's named for an old game. At corn husking time, a lucky person who found a rare ear of corn with red kernels had the right to kiss anyone that he or she chose. Courtesy of Adrienne Shelton hide caption

itoggle caption Courtesy of Adrienne Shelton

On Friday, a Russian Soyuz rocket will send an unmanned cargo ship with more than 3 tons of food, water and fuel for astronauts aboard the International Space Station. Russian Federal Space Agency hide caption

itoggle caption Russian Federal Space Agency

NOAA scientists estimate they saw about 10 billion sea scallops off Delaware and southern New Jersey this spring as part of an annual survey. Andrew Martinez/Science Source hide caption

itoggle caption Andrew Martinez/Science Source

Ten-year-old Jake Herrera and his Los Angeles team run around the diamond as a warmup for baseball practice. Benjamin B. Morris for NPR hide caption

itoggle caption Benjamin B. Morris for NPR