Nadine Gordimer passed away this week at age 90, after a lifetime of achievement in writing and anti-apartheid activism. Radu Sigheti/Reuters /Landov hide caption

Guy Pearce aboard his time machine in the 2002 movie version of H.G. Wells' classic novel. The Kobal Collection hide caption

Thousands of Iraqis fleeing Sunni extremists fled to the Kurdish city of Erbil, where they lined up here on June 12 at a checkpoint before entering. EPA /LANDOV hide caption

Truvada has been around for a decade as a treatment for people who are already HIV-positive. In the last few years, it has also been shown to prevent new infections, and New York officials are embracing the pill as a way to prevent the spread of AIDS. Justin Sullivan/Getty Images hide caption

Vice President Biden addresses Democratic activists Thursday at Netroots Nation in Detroit. Carlos Osorio/AP hide caption

Lizan Mitchell (left) as the wealthy and crotchety Carolyn and N.L. Graham as Veronika, her nurse, in the play Dead and Breathing. Seth Freeman hide caption

Jazz pianist Fred Hersch released his latest album, a trio recording called Floating, in July. Vincent Soyez/Courtesy of the artist hide caption