Monthly Archives: August 2020

Pre-Columbian syphilis in Europe

There’s an article out in Current Biology suggesting that syphilis may already have existed in Europe before 1492 – mentioned in Science. They’re almost certainly wrong. Can you see why?        

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Pu-244

Pu-244 is a relatively long-lived isotope of plutonium, with an 80 million year half life. Once upon a time,someone suggested that the Cretaceous extinction might have been caused by a nearby supernova: if so, we should see some Pu-244 around, … Continue reading

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Uplift War

We will uplift dogs as a key step in the cold war against China.

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