The most difficult street game: Cover a big circle with three small circles. Why can't you ever win?

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Evolution of Puss in Boots in Movies (1961-2022)

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Build Most Amazing Simple Underground Temple Living of the King

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Two students on a train bought the same ticket, only to have the train police chief immediately spot

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The saddest moment for STEM folks: You spent an afternoon proving that my months of work were all fo

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West Coast of the US Devastated by Natural Disaster! Are Rescuers Prioritizing Family Over Civilians

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A rebellious overachiever meets a disguised math genius—and they both spill each other’s little secr

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Some not-so-cold knowledge in Genshin Impact [Issue 26]

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Gu Xun’er: While I was gone, Xiao Yan actually had a kid—time to crush them good!

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How does the Dujiangyan Irrigation System work? How did this 2,300-year-old water conservancy projec

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The weird "Ames illusion"! Push the window and turn it, and an incredible phenomenon will happen

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What is "shellac"? You might have tasted this magical Indian glue, secreted by billions of insects!

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What is "cesium"? It's more expensive than gold, and it was first discovered in a bottle of mineral

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How do fishing nets work? Why are they able to catch fish even though the bottom is empty?

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How safe is the world's safest chainsaw? The moment your finger touches it, something incredible hap

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How Far Is 1 Light-Year? It’d Take 225 Million Years on Foot—But How Long Would the Fastest Craft Ta

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The most rebellious bridge, the "suspension belt bridge," has stood suspended for 30 years—do you kn

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What is a "fair cup"? Pour the wine into a full cup, and embarrassing things happen

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Throwing objects from high places is very dangerous. Why doesn't a drop of water falling from a heig

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