Manic, sad, up, down. Your voice may reveal mood shifts. iStockphoto hide caption
Science
Saturday
Friday
SpaceX founder Elon Musk briefly climbed inside the capsule to show off its flat panel cockpit. SpaceX hide caption
Left, gray squirrel. Right, crostini with squirrel meat, white mulberry, goat cheese, hazelnut and purslane. Christopher Testani hide caption
King Richard III, seen here portrayed by actor Paul Daneman in 1962, has often been described as a hunchback. A new study of his skeleton seeks to set the record straight about the monarch's condition. John Franks/Getty Images hide caption
Anatomy Of A Dance Hit: Why We Love To Boogie With Pharrell
Thursday
Whatever name it sailed under — International Sun-Earth Explorer 3, and International Cometary Explorer, among others — this spacecraft has scored a number of firsts over the years, including the first comet flyby. NASA Goddard Spaceflight Center hide caption
Portrait of King Richard III. Getty Images/The Bridgeman Art Library hide caption
Scientists Find Africa's Longest Land Migration: Zebras' 350-Mile Trek
A screenshot of the Why Does Bacon Smell So Good video. American Chemical Society/YouTube hide caption
Wednesday
Fishermen drag a net in Lake Malawi in 2012. About the size of New Jersey, the lake is home to hundreds of fish species and is considered one of the most biologically diverse lakes in the world. Ding Haitao/Xinhua/Landov hide caption
Thriving Towns In East Africa Are Good News For A Parasitic Worm
Astronomers thought they saw a big explosion in the nearby Andromeda galaxy. GALEX, JPL-Caltech/ NASA hide caption
Rumors Of An Intergalactic Explosion Are Greatly Exaggerated
Tuesday
Otters play the keyboard at the National Zoo. Smithsonian's National Zoo/YouTube hide caption
Clint Muhlfeld, an aquatic ecologist with the USGS, holds a native Westslope cutthroat trout in Glacier National Park. Noah Clayton/USGS hide caption