Stonehenge: how we revealed the original source of the biggest stones

How we traced the origin of the sarsen stones.

Timothy Darvill, Professor of Archaeology, Department of Archaeology and Anthropology, Bournemouth University • conversation
July 29, 2020 ~7 min

Tags: stonehenge geochemistry neolithic geoscience

Billions of years ago, the rise of oxygen in Earth’s atmosphere caused a worldwide deep freeze

Scientists have now dated the 'Great Oxidation Event' to just before the planet's first 'snowball' period.

Matthew Warke, Research Fellow, School of Earth & Environmental Sciences, University of St Andrews • conversation
June 2, 2020 ~6 min

Tags: geology geochemistry snowball-earth

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