' Ghost ' Ancestors: African DNA Study Detects Mysterious Human Species ' Ghost ' Ancestors: African DNA Study Detects Mysterious Human Species

Scientists examining the genomes of West Africans have detected signs that a mysterious extinct human species interbred with our own species tens of thousands of years ago in Africa, the latest evidence of humankind ' s complicated genetic ancestry.Reuters Health Information
Source: Medscape Medical News Headlines - Category: Consumer Health News Tags: Medscape Today News Source Type: news