Life on Earth began in a way that still boggles the mind. Around 4.5 billion years ago, a chemical process called abiogenesis ...
In Human, the five-part series from BBC Studios Science Unit and PBS Nova, paleoanthropologist Ella Al-Shamahi journeys across continents to explore how Homo sapiens emerged as the sole surviving ...
Our prehistoric human ancestors relied on deliberately modified and sharpened stone tools as early as 3.3 million years ago. The selection of rock type depended on how easily the material could be ...