Lovely things!

Linn och Carro Krockar Järnet ^^

Why do some years have an extra leap day and what is it for?

Also check out MinutePhysics' video: http://www.youtube.com/watc... & SciS...

The third in a series of clips that look into the making of OK Go's music video for Needing/Getting.

See the full music video here - http://bit.l...

In which John Green investigates the dawn of human civilization. John looks into how people gave up hunting and gathering to become agriculturalist...