Australopithecus afarensis
Lucy, discovered 50 years ago in Ethiopia, stood just 3.5 feet tall − but she still towers over our understanding of human origins
Science
Dr. Sarah Adams
In 1974, on a survey in Hadar in the remote badlands of Ethiopia, U.S. paleoanthropologist Donald Johanson and graduate student Tom Gray ...
Why do people have wisdom teeth?
Science
Dr. Sarah Adams
Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send ...