Walking on two legs has long been considered a milestone in human evolution and one of our most defining characteristics. Until now, researchers assumed that the first humans originated in Africa and ...

In paleoanthropology, the recent African origin of modern humans, also called the "Out of Africa" theory (OOA), recent single-origin hypothesis (RSOH), replacement hypothesis, or recent African origin ...

An algorithm scanned 78 million genetic variants and found patterns that shouldn't exist. Most human DNA tells a familiar story—but some of it defies explanation. Researchers discovered genetic ...

Early humans : of whom do we speak? / Richard E. Leakey -- Homo habilis - a premature discovery : remembered by one of its founding fathers, 42 years later / Phillip V. Tobias -- Where does the genus ...

Introduction. Rethinking the human revolution: Eurasian and African perspectives / Paul Mellars -- pt. 1. Biological and demographic perspectives on modern human origins. The origin and dispersal of ...

Humans are not the only primates that laugh. Chimpanzees, bonobos, gorillas, and orangutans all produce laughter, but scientists have long wondered how those vocalizations changed over millions of ...