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I first posted “The Inefficiency of Humans” in January 2017. It’s about the reasons that our energy metabolism provides only about 20-25% of the energy we consume as food for muscular work. I referred to this as our “inefficiency”, although it isn’t really that. The explanation and conclusions remain largely unchanged, but since then I’ve learned more about how energy metabolism is measured, so I’ve rewritten the post as this 2.0 version. Much of the original is unchanged.… Read the rest “The Inefficiency of Humans”

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Laphroiag distillery on Islay. A group of international whisky tourists, an important source of revenue for malt distilleries in Scotland, is being shown around. The pagoda chimney is a common feature.

There is a good deal of science, and art, associated with single malt Scotch whisky (there’s no “e” in whisky in Scotland). Many of us know bits and pieces about it and how it’s made. But there may be readers, who, like me, are fans but also interested to learn more.… Read the rest “Single malt Scotch Whisky 101”