Robert De Niro (left) plays Jonathan Flynn, the father of writer Nick Flynn (played by Paul Dano) who shows up at his son's workplace: a homeless shelter. David Lee/Focus Features hide caption

itoggle caption David Lee/Focus Features

A map of neurons of the mouse retina, reconstructed automatically by artificial intelligence from electron microscopic images. A. Zlateski based on data from K. Briggman, M. Helmstaedter, and W. Denk/MIT/Seung hide caption

itoggle caption A. Zlateski based on data from K. Briggman, M. Helmstaedter, and W. Denk/MIT/Seung

After the earthquake, workers were sent inside Reactor 1 at the Fukushima plant to release some of the pressure building up inside the reactors. Frontline hide caption

itoggle caption Frontline

A woman walks past a banner placed around the perimeter of the Rand Afrikaans University in Johannesburg on World AIDS Day. The university used the banner to raise public awareness about AIDS and the devastating toll the disease has had in South Africa. Paul Botes/AP Photo hide caption

itoggle caption Paul Botes/AP Photo

The cast of The Muppets includes (left to right) Floyd Pepper, Fozzie Bear, Lew Zealand, Janice, Swedish Chef, Camilla The Chicken, Dr. Bunsen Honeydew, Gonzo, Scooter and Beaker. Scott Garfield/Disney hide caption

itoggle caption Scott Garfield/Disney

Leonardo DiCaprio plays J. Edgar Hoover in J. Edgar, a biopic written by Dustin Lance Black. Warner Bros. Pictures hide caption

itoggle caption Warner Bros. Pictures

Barney Rosset paid $3,000 for Grove Press in 1951. Then he used the company to help tear down American obscenity laws of the 1950s and '60s. Jim Cooper/AP hide caption

itoggle caption Jim Cooper/AP

The barber shop run by Anthony Bravo Esparza — whom everyone knows as "Dreamer" — is a fixture at the VA Greater Los Angeles Healthcare System's West Los Angeles Campus. Paula Berger hide caption

itoggle caption Paula Berger

Bret McKenzie (left) wrote five of the songs in The Muppets, including the Oscar-nominated "Man or Muppet" and the opening number, "Life's a Happy Song." Andrew Macpherson/Disney hide caption

itoggle caption Andrew Macpherson/Disney

Viola Davis earned her first Oscar nomination with a small but memorable role in Doubt; she also has won a pair of Tony Awards for her work on Broadway. Chris Pizzello/AP hide caption

itoggle caption Chris Pizzello/AP

Anthony Shadid covered the Middle East for nearly two decades for The New York Times, The Washington Post, The Boston Globe and The Associated Press. Courtesy of The New York Times hide caption

itoggle caption Courtesy of The New York Times

Actress Michelle Williams was recently nominated for an Academy Award for her performance in Blue Valentine. In Meek's Cutoff, she plays a bold settler named Emily Tetherow. Matt Sayles/AP Photo hide caption

itoggle caption Matt Sayles/AP Photo