Human bipedalism may have evolved to protect babies too heavy to hang on our increasingly hairless bodies, says Brazilian physicist Lia Amaral. Apart from Homo sapiens, primate babies cling to the fur ...

A male western gorilla (Gorilla gorilla), photographed at the Bronx Zoo. The origin of human bipedalism has long been a hot topic among paleoanthropologists. At the very least it is seen as something ...

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The feet of primates function as grasping organs. But the adoption of bipedal locomotion – which reduces the ability to grasp – was a critical step in human evolution. Co-author Carrie S. Mongle, a ...

The acquisition of bipedalism is considered to be a decisive step in human evolution. Nevertheless, there is no consensus on its modalities and age, notably due to the lack of fossil remains. A ...

Humans’ ability to walk upright on two legs may have evolved in trees, rather than on the ground, according to scientists studying wild chimpanzees in Tanzania. This contradicts the widely accepted ...

Few attributes of being human have attracted more intense thought than the simple fact that, unlike all other living mammals, we walk upright on two legs. Human bipedalism represents a major ...

After an extensive study of evolutionary, anatomical and fossil evidence, a team of paleoanthropologists has narrowed down the number of tenable hypotheses to explain the origin of bipedalism and our ...

Bipedalism, or walking on two legs, is one of the key features that distinguishes humans from other apes. But when and why our ancestors transitioned from a life often spent in trees to a life spent ...

EDMONTON (Friday, March 3, 2017) -- Paleontologists at the University of Alberta have developed a new theory to explain why the ancient ancestors of dinosaurs stopped moving about on all fours and ...

WASHINGTON (Reuters) -Bipedal locomotion - walking upright on two legs - is a fundamental trait underpinning humankind's success. Scientists now have identified two innovations that occurred long ago ...