2+ day, 6+ hour ago  (474+ words) This dramatic growth spurt coincided directly with the emergence of Homo rudolfensis and Homo erectus/ergaster, marking the first time human ancestors reached modern adult weights of 60 kg or more. The study accounts for missing fossil data and complex family-tree…...

1+ mon, 1+ week ago  (717+ words) Summary: A new evolutionary study offers a compelling solution to one of anthropology's oldest puzzles: why roughly 90% of humans are right-handed, a population-level bias unique among primates. The team used Bayesian modeling across 41 primate species to test multiple evolutionary hypotheses....

9+ mon, 3+ week ago  (862+ words) Summary: A new study shows that genetic evidence of historical contact between populations reveals consistent patterns of language change. By combining genetic data with linguistic databases, researchers found that unrelated languages became 49% more similar after human contact. These exchanges occurred…...