Tools recovered from three sedimentary layers in Kenya show continuous tool use spanning from 2.75 to 2.44 million years ago in the face of environmental changes.

Almost 2 million years ago, a young ancient human died beside a spring near a lake in what is now Tanzania, in eastern Africa ...

Almost 2 million years ago, a young ancient human died beside a spring near a lake in what is now Tanzania, in eastern Africa. After archaeologists ...

Traditionally, paleoanthropologists believed that Homo habilis, as the earliest big-brained humans, was responsible for the earliest sites with tools. The idea has been that Homo habilis was the ...

Scientists found that ancient lead exposure shaped early human evolution. The toxin may have played a surprising role in the development of modern cognition and language. An international team of ...

Scientists found that one tiny DNA change in the NOVA1 gene helped modern humans resist lead exposure that harmed Neanderthals.

Long before factories, mines, and cars filled the air with pollution, our distant ancestors were already living with a silent toxin: lead. A groundbreaking study reveals that hominids — from early ...

An international study claims lead was a problem for our ancestors and Homo sapiens might have had a genetic edge over other human species. The research analysed fossilised teeth from different ...

Several hominid species were consistently exposed to lead for almost two million years, which may have given modern humans a survival advantage.