evolution, Miscellaneous, Science and society

Humans: born to…migrate?

Following on from that Nature feature on human migration I blogged about  a couple of weeks ago, is another interesting piece in Science provocatively titled: “Busting myths of origin.” It is, however, exactly as the title says: analysis of DNA and isotopes in bones and teeth is showing that most of the people of the world are the products of multiple migrations: there are no “pure” peoples of any kind, with the exception of a very few groups, notably the indigenous Australian Aborigines, who, largely through accidents of geography and circumstance, remained isolated from many other human groups for a relatively long time. Migration and mingling, it turns out, is the norm for our species.

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History of science, Miscellaneous, Uncategorized

I want a leech-based storm predictor

I’m aware I’ve been a little slack with the postings lately; life is getting busy as I prepare to start a new job (and move house to start said job…). I’ve got a post in the works, but in the meantime I’ll just leave you with this: the Tempest Prognosticator, which I just learned about from BBC4’s excellent documentary on the history of weather forecasting, Storm Troupers. It’s a way of predicting oncoming storms using the agitation of leeches. Yes, really.

Tempest prognosticator
At the Whitby museum (taken by L Wang).

Just not sure where I’d fit it in the living room…