Silver excavated from Mexican mines by the Spanish  has been detected in English coins dating to the 1550s. Silver from Bolivia was also being mined by Europeans at this time, but it didn’t show up in their coins until later. Geologists Anne-Marie Desaulty and Francis Albarède of the Ecole Normale Supérieure speculate that Mexican silver […]

On the banks of Scotland’s River Forth, archaeologists have unearthed a 10,000-year-old dwelling  that they are calling the oldest in the country. Post holes surrounding the large oval pit held upright wooden posts, which would have been covered to create walls. Some scientists think that animal skins may have been used to fashion a wigwam-style […]