AIDS Has Killed Almost 36 Million People, But I Bet You've Never Heard The Real Origin Story

Scientists have pieced together the origin of AIDS, and the tale is ludicrously interesting. Take a few minutes to learn how one of humanity's most debilitating diseases grew into the monster it is today.

This audio clip was painstakingly produced by the geniuses at "Radiolab." Have more time on your hands and free space in your brain? Check out more fact-packed clips on the "Radiolab" SoundCloud page.