Pope Alexander II may have punished the English king for siding with his rival during the Norman invasion of 1066. The post Long-lost letter reveals bitter struggle between two rival popes appeared first on Popular Science .
Archaeological artifacts offer valuable insights into the history of past societies. They reveal not only technological developments but also the changing economic systems, cultural traditions and everyday practices of the people who lived at the time.
A mysterious burial in an underground water channel may help archaeologists understand a pre-Inca ritual in Peru.
It uses WebSockets for real time messaging, so conversations appear instantly as people join and chat. The interface is inspired by a terminal, but there are no commands to learn. Just open it and start talking to people around the world.
It's one of the origins-of-life chicken-or-egg problems: How could RNA have helped give rise to the first cells before there were cells to contain it?
Around 15,000 years ago, the way of life of human communities in the southern Levant underwent a fundamental change. Groups of hunter-gatherers, who until then had been nomadic, reduced their mobility and established small, permanent settlements for the first time.