Cars are ridiculously dangerous. They’re easily the greatest threat to the average person’s life, assuming you’re not a soldier in an active warzone (even then…) or a commercial crab fisherman. For teenagers, that’s especially true. Until they’re about 20 years old, an American teen is more likely to be killed by her own car than by gun violence, drugs, or disease – put together. There’s a Star Trek scene in which the Enterprise crew marvels at 20th-Century citizens’ ability to pilot all those little metal vehicles so close together without colliding.

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