Urban Pollution

When we worry about the impact of autos on the environment, perhaps we should remember the horse. In 1880, the horse population in Manhattan and Brooklyn was somewhere between 150,000-175,000 and grow…

On Time Again

Have you ever thought about the difference that a clock makes? Described in The Geography of Time, a pre-clock world meant you could not say, “I will meet you at 12:30 for lunch” or “…

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