Science & Industry
7 Surprising Facts About the Age of Dinosaurs
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For millions of years, the predominant class of animal on Earth was that of the dinosaurs — a name that comes from the Greek words for “terrible lizards” (even though dinosaurs were reptiles but not lizards at all). From around 252 million to 66 million years ago, these incredible creatures evolved in every corner of the globe, even Antarctica. Although the age of dinosaurs stretched far longer than humans have even walked upright (186 million years versus 7 million years), scientists have only been aware of the existence of dinosaurs for about two centuries, and ...Read More
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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…
