Playback serverIf a title won’t play, switch servers.
NOVA scienceNOW
Season 4 · Episode 2
Hunt for Alien Earths / Art Authentication / Maydianne Andrade / Autism Genes
0.0July 7, 2009
Join astronomers hunting for Earth-like planets, see how computers distinguish authentic art from forgeries, meet a spider biologist who studies sexual cannibalism, and learn about genes that may be involved in causing autism.