How Science Conquered Diphtheria, the Plague Among Children.
How Earth Felt When Humans Appeared.
New World Documented in Italy 150 years Before Columbus. (via TYWKIWDBI)
The latest mashup from Bill McClintock combines "I Can't Go For That" by Hall and Oates with "Closer" by Nine Inch Nails. Since "Closer" is so NSFW, even with word censoring, I'm linking it instead of posting the video.