Harry Potter fans enter Borders at Time Warner Center to purchase their copy of the book Harry Potter And The Deathly Hallows on July 20, 2007, in New York City. Two hundred Borders stores will close soon as part of the company's Chapter 11 filing. Astrid Stawiarz/Getty Images hide caption

Streets and homes close to Wimmera River flooded on Jan. 18, 2011, in Horsham, Australia. Residents and emergency crews sandbagged properties, and evacuations were ordered in the town in preparation for the worst flooding in more than 200 years. Researchers now have data that links global warming to specific weather events. Richard Kendall/Getty Images hide caption

Pennsylvania Gov. Tom Corbett fields media questions during a news conference on Tuesday in Harrisburg. He said he's removing a number of state employees as a result of an investigation into a Philadelphia clinic where abortions were performed. Bradley C. Bower/AP hide caption

Tunisian immigrants stand in front of a detention center on the Italian island of Lampedusa on Feb. 14. Roberto Salomone/AFP/Getty Images hide caption

Old-school: Excerpts from Wagner's The Ring cycle on 8-track. Science & Society Picture Library/SSPL via Getty Images hide caption

People in sleeping bags hold a vigil at the state Capitol as testimony at a hearing on the budget continues into the wee hours on Wednesday. Craig Schreiner/Wisconsin State Journal hide caption

Manny "Pacman" Pacquiao and "Sugar" Shane Mosley pose after a New York press conference for their upcoming May 7 fight. Nathan Rott/NPR hide caption

Joanne Siegel (center) at the 1976 Comic Con in San Diego with her husband, Jerry Siegel, the co-creator of Superman, and daughter Laura. Joanne was the inspiration for Clark Kent's love interest Lois Lane. She died Feb. 12. Alan Light hide caption

Adele's new album is 21. Courtesy of Sony Music hide caption