An abortion rights activist speaks before the Virginia Senate Education and Health Committee on Thursday. Following a protest outside the state capitol and criticism from moderates in his own party, Republican Gov. Bob McDonnell asked for revisions to a bill requiring an invasive ultrasound before an abortion. Steve Helber/AP hide caption

Astronauts may have a particular affinity for Tabasco sauce in space because their sense of smell and taste is distorted. John Rose/NPR hide caption

Afghan demonstrators burn an effigy of President Obama and shout anti-U.S. slogans in the eastern city of Jalalabad on Wednesday, Feb. 22. Afghans have been rioting for three days after word that several Qurans were desecrated at a NATO base. The U.S. says the burning of the Qurans was accidental. Noorullah Shirzada/AFP/Getty Images hide caption

American Daron Rahlves competes during the men's freestyle ski cross qualification at Cypress Mountain during the Vancouver Winter Olympics. Adrian Dennis/AFP/Getty Images hide caption

Flames rise from a house, the result of Syrian government shelling, in the Baba Amr neighborhood of Homs, Syria, on Wednesday, in this image provided by citizen journalists to the Local Coordination Committees. Local Coordination Committees in Syria/AP hide caption

A handout picture released by Local coordination Committees in Syria (LCC Syria) on Feb. 22 shows fire on the roof of a building in the Baba Amr neighborhood of the flashpoint city of Homs. AFP/Getty Images hide caption

Prospective voters listen to Republican presidential candidate Newt Gingrich, accompanied by his wife, Callista, on Feb. 7 at Cincinnati's Price Hill Chili restaurant. Evan Vucci/AP hide caption

Supporters of the website The Pirate Bay, one of the world's top illegal file-sharing websites, demonstrate in Stockholm, Sweden, in 2009. Fredrik Persson/AFP/Getty Images hide caption

The Blue Angels practice above El Centro, Calif., last week. Courtesy of Ted Gallinat hide caption

Tony Gangi shows off some of the props featured in his sideshow review. Andrea Shea/WBUR hide caption

Ryan Braun #8 of the Milwaukee Brewers reacts after hitting a double in Game Five of the National League Division Series, last year in Milwaukee. Jonathan Daniel/Getty Images hide caption