Humans' unique language capacity was present at least 135,000 years ago, according to a survey of genomic evidence. As such, language might have entered social use 100,000 years ago. It is a deep ...

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 ...

Researchers found that ancient hominids—including early humans—were exposed to lead throughout childhood, leaving chemical traces in fossil teeth. Experiments suggest this exposure may have driven ...