The 'Five senses' idea hardened for 2,000+ years from Ari... | funfact.wiki

The 'Five senses' idea hardened for 2,000+ years from Aristotle naming sight, hearing, smell, taste, and touch and declaring there's no sixth sense. But modern Neuroscience counts over twenty, including the vestibular sense for balance and proprioception for limb position.

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Hot water can freeze faster than cold — a phenomenon called the Mpemba effect. Known since Aristotle but still unexplained, it was named after Tanzanian student Erasto Mpemba, whose question physicist Denis Osborne took seriously enough to research together.

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During sleep, the brain not only stores memories — it erases them. Research from 2022–2023 found Arc and Homer1a can weaken less-active synapse connections. Forgetting is a feature, not a bug: clearing space helps encode new memories.

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