HumansThe archaeologists recreating the secrets of prehistoric technology It has long been unclear how ancient people built a city of wood in the New Mexico desert far from any forests. By trying prehistoric building techniques themselves, archaeologists are working it out News
HumansWhy it is important to explore the outer limits of knowledge Science and reason generate reliable knowledge about the world, but they have their limits. Exploring them can shed light on what knowledge really is, and should help us gain more of it Leader