Could the famous Hope Diamond and Koh-i-noor have originated from a volcanic outcrop nearly 300 kilometres from where they were discovered in southern India?
Modern human skeletons, with our lightly-built form, evolved only relatively recently, after the start of the Holocene about 12,000 years ago and even more recently in some human populations, according to a study that used high-resolution imaging of bone joints from modern humans and chimpanzees as well as from fossils of extinct human species.
A new Smithsonian guide features tips for exploring objects in the sky, examines technology that helps us better understand the universe, and explores ways culture and the arts have used the cosmos to stimulate our imaginations