The work demonstrates the power of ancient DNA to illuminate human biology and medicine in addition to history. A massive study of ancient DNA from nearly 16,000 people across more than 10,000 years in West Eurasia reveals that natural selection has shaped modern human genomes far more than previously thought.

Some researchers hold that evolution hasn’t much altered humans in the past 10,000 years. A new analysis of ancient DNA indicates that natural selection continued to shape hundreds of genes.

World ID, an identity system designed to prove you're human, is expanding to Tinder and concert ticket sales.