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Curated category

Behavior

  • SleepDuring sleep, the brain uses significantly less energy than it does when awake. Research shows a 44% reduction in the cerebral metabolic rate of glucose and…
  • WritingA clay tablet from the Sumerian city of Uruk, dated to the end of the 4th millennium BCE, marks the first known example of written language.
  • Play (activity)Johan Huizinga published Homo Ludens in 1944, establishing a foundational definition of play as a separate and independent sphere of human activity.