Space is a vacuum, so an astronaut cannot simply lift a visor and take a sniff. Yet crews returning from spacewalks have repeatedly described something remarkably close to a smell of space: an acrid, metallic aroma that follows them through...
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In the Chihuahuan Desert of northern Mexico, where Durango, Chihuahua and Coahuila approach one another across an immense dry basin, a patch of landscape has acquired one of the strangest re...
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For generations, chemistry books could place bismuth near the end of the periodic table's stable territory. Its naturally occurring isotope, bismuth-209, showed no detectable radioactive dec...
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On October 30, 1961, a Soviet Tu-95 bomber crossed the frozen landscape of Novaya Zemlya carrying an object so large that the aircraft had been specially modified to accommodate it. The bomb...
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Quantum entanglement is often introduced with a sentence that sounds like science fiction: two particles can be linked so deeply that changing one instantly changes the other, even if they a...
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Ice presents a small everyday mystery. A cold pavement can be dangerously slippery even when the air temperature is far below freezing, while many other crystalline solids are perfectly easy...
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Astronomy has a reputation for expensive telescopes, complicated star charts and distant objects visible only through professional instruments. Yet some of the sky's most memorable events re...
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Why AI Doesn’t Really Understand the World (But Reconstructs It) When people talk to ChatGPT, Claude, or any AI assistant, they often say: “It understands everything.” The truth is mo...
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Did We Really Go to the Moon? It's one of the most iconic moments in human history: on July 20, 1969, Neil Armstrong stepped onto the surface of the Moon and said, “That’s one small step...
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Is the Earth Flat? It might seem like a question from the past, but in recent years the idea of a flat Earth has resurfaced in online communities and conspiracy circles. So, let’s address...
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