Well, this time, it's all three! A video from a zoo in China has just gone viral featuring a bear standing upright on its hind legs like a human being and waving to the crowd. The video has ...

The team said its findings, published in two separate papers in the journal Current Biology, could help shed light on how humans evolved to walk upright some six million years ago. David Kingsley ...

Wheeler also said, might explain the evolution of the human as the naked ape. It obviated the need for complete body hair. Hair not only keeps heat in, it keeps it out. By standing upright ...

Instead, they have to use muscle power to support their body weight when standing or walking upright, a much more tiring situation. In humans, the thigh bone slopes inward from the hip to the knee ...