A human baby arrives in the world in a strange state, eyes open, ears working, brain growing fast, yet unable to move through the world in any meaningful way. That mix is the heart of a new argument ...
According to a new study, chimpanzees, like humans, must contend with a confined bony birth canal when giving birth. In humans, the problem is exacerbated by our unique form of upright walking, since ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results