Drinking cactus juiceCactus juice for breakfast. And it is good. Grassy, with hints of earth and compost. But refreshing, and a lot less icky-sticky than many of the fruit juices also available.

The Center for Sustainable Environments has launched a new book that carries forward the centre's RAFT project: Renewing Ame...

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Escaped from the meeting rooms for lunch, which has been declining ever so gradually from day 1. So four of us ended up at the Bamerette diner, part of the Hotel Bamer, just up the road. Neat-o! Very fifties, with a dude in the corner -- shades, slim tie, guitar -- who was just passing time. We ate...

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In Mexico City, after a considerable scare. Somewhere over Atlanta, en route from Paris, the plane dropped like a stone. People screamed. It was far and away the worst turbulence I have ever experienced. And one of the stewies, in a brave attempt at reassurance, said that in seven years flying this...

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At work on a Saturday, reflecting on the fact that when things here are at their busiest, I probably have most to say on the blog, but don't say it for two reasons. After an entire day processing words and staring at a screen, the last thing I want to do is more of the same. And then there is the qu...

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A new strategy beats tit-for-tat at the Prisoners' Dilemma. Southampton University's approach was pretty sneaky, essentially allowing its prisoners to recognize one another and cooperate. Up against a non-Southampton opponent, prisoners deliberately throw their own chances to make life easier for...

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