Several ways to evolve a tiny knee bone could have helped humans walk upright
Credit: Pixabay/CC0 Public Domain The evolution of primate knee bones could have implications for how humans evolved to walk upright, ...
Tag: upright
They stay stuck in a merry-go-round in an upright position for an hour
Passengers on the “Rip Ride Rocket” ride at the Universal Studios Orlando theme park in Florida were stuck in an ...
