America came late. Humanity had come from Africa, and spread out over Eurasia. This happened mainly during the ice age, when lower sea levels allowed walking migration where previously a ...

Albert’s article Volcanoes and rain explores the possible links between volcanic eruptions and subsequent periods of wet weather. But there is another side to this story: rain can, in turn, have an ...

It is sometimes said to be the highest volcano in Europe. There is an obvious problem with that: El Teide is not in Europe. It may be Spanish, but the location is in the Canary Island which ...