Science & Industry
The Weirdest Cars Ever Made
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Science & IndustryFact3Boats used to be powered by horses.
Horses tend to be known for their land-based achievements, but that doesn’t mean equines aren’t sometimes aquatic. In fact, for more than a century, beginning in the 1810s, horse-powered ferries…
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Science & IndustryFact1A volcanic eruption indirectly led to the invention of the bicycle.
The bicycle may seem like a symbol of leisure or health today, but its roots lie in disaster. In 1815, Mount Tambora in Indonesia erupted with extraordinary force, blasting ash,…
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Science & IndustryFact2Before the invention of price tags, shoppers weren’t used to fixed prices.
If you’re shopping for goods in the Western world, you expect to see a price tag on most things, whether it’s a secondhand toaster at a garage sale or a…
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Science & IndustryFact4The stethoscope was invented because a doctor felt awkward pressing his ear to a woman’s chest.
In 1816, a French physician named René Laennec found himself in a delicate situation. He needed to listen to the heart of a young female patient but didn’t have an…






