Articles
Explore our collection of articles covering a wide range of topics.
Why are school buses almost universally painted that specific yellow color?
It's not just tradition – discover the fascinating, science-backed reason why school buses are painted that specific, unmissable shade of yellow.
Why could Americans briefly mail their children via Parcel Post in the early 1900s?
Forget stamps on letters; early 20th-century Americans briefly put them on *children* thanks to the new Parcel Post service. Uncover the incredible loophole and trusting local postmasters that made mailing kids a temporary, bizarre reality.
Why are manhole covers almost always round?
Ever wondered why that metal disc beneath your feet isn't a square? Uncover the surprisingly simple, yet critical, safety reason that makes round manhole covers a stroke of genius engineering.
Why did creating bright green colors historically involve using poison?
That stunning, vibrant green hue adored throughout history wasn't just beautiful—it was often deadly, thanks to its secret, poisonous ingredient.
Why do mirrors seem to swap left and right, but not top and bottom?
Ever raise your right hand only to see your reflection raise its left, yet its head stubbornly stays up top? Discover the surprising reason mirrors seem to perform this sideways swap, but never an upside-down one.
Why do onions release a chemical that specifically makes your eyes water?
It's not personal, it's plant defense! Uncover the fascinating science behind why onions deploy a unique chemical weapon specifically designed to make your eyes water.