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TIL as of 2025, the largest city by population is now Jakarta, with a population of more than 41 million

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o6gK TIL that many animals (including humans) can’t absorb up to 50% of the energy in the food they consume; this undigested energy ends up in fecal matter, which is why feces are such an effective fertilizer.
ADNWa The human brain looks like a big, pinkish-gray, wrinkly walnut. There are so many folds in it that, if it could be unfolded, it could be a small tablecloth. Pinkish-gray might not match your decor, but it would be about the right size! This "tablecloth" is made up of the cerebral cortex and is the wrinkly outside layer of your brain. All those folds are responsible for abstract thought, language, and memory. Scientists believe the wrinkles exist as a way to increase the surface area of the cortex, allowing for increased brainpower in a smaller space. In this week’s Today I Learned, neuroscientist and National Geographic Emerging Explorer Steve Ramirez shares some of his smarts on how your cortex is different from your pet hamster’s.
j6OmN TIL a patient who reported worms in his stool was determined to have earthworms coming into the water in his toilet, and not from his body
Zp0BQ TIL that in Home Alone, the picture of Kevin’s brother Buzz's girlfriend was actually a picture of the art director's son wearing a wig.
gr6B8 TIL: India has a payment system that is fast, small shopkeepers to large corporations use it and is replacing cash, called the UPI.