*dead from cute*

Via aries_jordan, baby polar bear. Why do things that are going to grow up into giant hairy killing machines look so adorable?

Edit: More! (and lots more if you poke around YouTube).

Primitive engineering

This is pretty cool: guy demonstrates how to lift and position massive stone blocks singlehandedly with very simple techniques. He claims that these techniques "must have" been how Stonehenge was built; I'm not convinced of that, but they'd certainly be enough to do it.