Patent foramen ovale (PFO) is a normal fetal communication between the right and left atria that persists after birth. PFO is a common finding that occurs in 20–34% of the population, although its ...

Anthropologists confirm a direct link between upright two-legged (bipedal) walking and the position of the foramen magnum, a hole in the base of the skull that transmits the spinal cord. Anthropology ...

The evolution of bipedalism in fossil humans can be detected using a key feature of the skull -- a claim that was previously contested but now has been further validated by researchers. The evolution ...

The 2.8 million-year-old Australopithecus africanus "Taung child" skull was discovered in South Africa in 1925. Source: Wikimedia/Creative Commons New research further validates that bipedalism ...