I recently had the opportunity to attend a talk by Professor Jane Evans of the British Geological Survey, co-author of the multi-isotope analysis which explored what the last Plantagenet king of England ate and drank. As I mentioned in a previous science post, this study formed the basis for the widely reported claim that, although he was a capable soldier, he overindulged on food and drink and that this “dissolute” diet was the reason for his unexpected defeat at the battle of Bosworth. As this seemed to be at odds with both historical sources and also the study itself, I was hoping to finally get to the bottom of the facts. I wasn’t disappointed.
What Isotopes Can Tell Us
Professor Evans began her talk by explaining that isotopes are particles which transmit information from geology to us via our food chain. Basically:
Rock > soil > plants > herbivores…
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