The oldest distinguishing feature between humans and our ape cousins is our ability to walk on two legs—a trait known as bipedalism. Among mammals, only humans and our ancestors perform this atypical ...
The skeleton was discovered in 1994 in the Ethiopian Desert and belonged to the species Ardipithecus ramidus. Further investigation revealed that Ardi could walk upright like humans, but had ape-like ...
Humans have a distinctive skeleton, and are the only bipedal great apes (the great ape species are bonobos, chimpanzees, gorillas, orangutans, and humans). While the evolution of the human skeleton ...
In this 4.4-million-year-old skeleton, scientists may have found the missing step between climbing and walking.
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