Add Yahoo as a preferred source to see more of our stories on Google. Human infants’ helplessness may help explain cooperation, learning and social development, researchers argue. (CREDIT: ...

According to a new study, chimpanzees, like humans, must contend with a confined bony birth canal when giving birth. In humans, the problem was exacerbated by our unique form of upright walking since ...

Pregnancy experience is a mix of excitement, delight, anxiety, and fear. This is natural considering a new family member is about to join, and the mother has to witness her body go through a complete ...

Scientists reveal unprecedented insights into human limb development, including the many intricate processes that govern their formation. Human fingers and toes do not grow outward; instead, they form ...

It's usually more dangerous for women to give birth lying down, so why do they? It's all because of a Frenchman who decided ...

3D simulation of the birth canal of chimpanzees with (B) the fetal head in a fully extended position, the typical head alignment in apes, and (C) the fetal head in a fully flexed position, the usual ...