Hunting for the ancient lost farms of North America | Ars Technica 

Perhaps the strangest part of this story is the fact that people simply stopped cultivating so many crops that were central to their diets. Imagine what would happen if we decided to abandon wheat to the wilderness. Suddenly, there would be no more baguettes and pastas—not to mention cakes. Sure, we could make delicious breads from corn and tasty noodles from rice or beans. But for many of us, it would feel like an incredible loss of a comforting staple. No doubt, that’s how the loss of knotweed felt to aboriginal Americans, too.

Under surveillance: satellites, cameras, and phones track us 

And yet to the uninitiated, the prospect of catching the bikers in an illegal act can feel almost irrelevant. Instead, I’m captivated by the basic spectacle of two people who appear to have no idea they’re being watched everywhere they go. Perhaps they’re criminals. Perhaps they’re sociopaths. Our surveillance is inconclusive on these matters. The only thing that’s certain is that we see them but they don’t see us. Like a deer framed in a hunting riflescope, the bikers display no signs of their vulnerability. In this way they are profoundly exposed.

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