9

Brook Carter, 29, tends bar at Kamal's 21, an Atlanta strip club. She used to work as a stripper herself at Magic City. She says typically she'll have heard a new track playing on the radio at least a month earlier at the club. John Poole for NPR hide caption

itoggle caption John Poole for NPR
Listen Loading… 5:17
  • Playlist
  • Download
  • Embed
    Embed <iframe src="http://www.npr.org/player/embed/132287578/132291794" width="100%" height="290" frameborder="0" scrolling="no">

11

An Iraqi man holds a sign reading "Baghdad will not be Kandahar" in Arabic as he takes part in a Dec. 3 protest in Baghdad organized by poets and intellectuals against the closure of nightclubs and a ban on alcohol sales. Ahmad Al-Rubaye/AFP/Getty Images hide caption

itoggle caption Ahmad Al-Rubaye/AFP/Getty Images
Listen Loading… 4:45
  • Playlist
  • Download
  • Embed
    Embed <iframe src="http://www.npr.org/player/embed/132283717/132291933" width="100%" height="290" frameborder="0" scrolling="no">

16

Members of the Vietnamese community listen in Kenner, La., as independent claims administrator Ken Feinberg and Louisiana Sen. Mary Landrieu conduct a town hall meeting for residents economically affected by the Deepwater Horizon oil spill. Gerald Herbert/AP hide caption

itoggle caption Gerald Herbert/AP
Listen Loading… 5:57
  • Playlist
  • Download
  • Embed
    Embed <iframe src="http://www.npr.org/player/embed/131935432/132283872" width="100%" height="290" frameborder="0" scrolling="no">

18

Solar panels like these in England turn energy from the sun into electricity. But researchers are looking to capture the sun's energy to make liquid fuels for cars and trucks, by combining carbon dioxide, water and the chemical element cerium. Matt Cardy/Getty Images hide caption

itoggle caption Matt Cardy/Getty Images
Listen Loading… 4:00
  • Playlist
  • Download
  • Embed
    Embed <iframe src="http://www.npr.org/player/embed/132283263/132291938" width="100%" height="290" frameborder="0" scrolling="no">