Elouise Cobell, a member of Montana's Blackfeet Tribe, and four other Native Americans led a class-action land use lawsuit against the U.S. government. Cobell is shown here in 2009 with Interior Secretary Ken Salazar after an announcement on the settlement of the lawsuit. Cobell died last year.
Manuel Balce Ceneta/AP
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