Just when I stopped having nightmares about BigDog, the freaky quadruped robot that will become a soldier's best friend one day. Boston Dynamics' founder Marc Raibert just sent me this music video showing the best moments of its evolution. Great.
There are lots of possible explanations for why humans became bipedal, including changing ecosystems and food resources. But what if it was just so it was easier for early humans to beat the crap out of each other?