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Climate change and the origins of farming in Mexico

We're not going to be the first generation of humans to cope with severe climate change. We may simply be the first to know just what's happening.

An international research team traced the growth of farming in Mexico's Iguala Valley. Their new report charts the rise of agriculture as the climate became warmer and wetter. Farming began after the last Ice Age. New lakes formed. Corn and squash were being regularly farmed 8,000 years ago. Then farming spread. Agricultural burning was used. Sixty-three hundred years ago domestic crops were plentiful. Forest clearing increased.

Then, around 1,… Read more

This squash game ain't for country clubs

Growing up in the mid-Atlantic, I was subjected to watching more than a handful of squash matches back in high school. No offense to anyone who's an avid squash fan, but it's not always the most interesting sport to watch. You take people, and racquets, and balls, and a wall. There are a lot of smacking noises. Yawn.

But this is a little different. The creators of "Laser Squash" took the basic concept of squash and turned it into something that seems like it came out of a military training exercise in Ender's Game. Beams … Read more