Monthly Archives: September 2014

Why are bird bones hollow? Why is palaeontology hollow?

“CP” recently posted on why bird skeletons are light, and if so why (they’re not, and she gave references). She then moved on to the question of why birds have air-filled, i.e. pneumatic, bones. As usual, she follows the habit … Continue reading

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Comments on “Sapiens: A Brief History Of Mankind” by Yuval Noah Harari

Having caught this part-way through the radio serialisation, I was immediately aroused by its repetition of the old error that we evolved a new form of language 70 to 30 thousand years ago. As I pointed in my blog posting … Continue reading

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History not quite dead then: Ukraine, ISIS, Scots awa’!

The Ukraine has the best flag in the world: corn to the horizon, under endless blue sky. Honest, simple, clear, and the colours look great together. The only other thing I knew of the country was a reputation, claimed by … Continue reading

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