The Miracle of the United States Postal Service. It is self-sufficient, serves everyone equally, and takes its mission very seriously.

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At Sea on Taiwan’s Last Fire-Fishing Boats. The centuries-old practice relies on the sardine's attraction to light.

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How Empathetic Is Your Dog? An experiment involved 34 dogs of different breeds and how they reacted to seeing their humans in distress.

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Here's How America Uses Its Land. An interactive set of maps gives us views from different angles on the land of the 48 contiguous states.

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Inside the 23-Dimensional World of Your Car’s Paint Job. With more than 50,000 car colors, matching the original look is an art.

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Take a Mental Swim with These Live Marine Life Cams. There are eight relaxing feeds to choose from, plus a bonus for fun.

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Our Attitude Toward Aliens Proves We Still Think We’re Special. We shouldn't assume that life on other planets is anything we'd understand.

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A Brief History of the Ice Cream Truck. This is one strange vehicle everyone wants to see in their neighborhood.