Mondo Knows Facts
Humans hear roughly 20 hertz to 20 kilohertz
The top end declines with age, and children hear higher than adults Most musical pitch sits between 50 hertz and 4 kilohertz, where hearing is most sensitive. Instruments outside the range, such as a 64 foot organ pipe, are felt as much as heard. Dogs and bats extend far past the human limit. It sits in Mondo's music collection, one of 200 facts that each trace back to the reference below.
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Facts that can change over time are reviewed and updated. If something here looks wrong, Mondo would rather know than be confidently incorrect.
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Grid stability depends on spinning metalHeavy generator rotors resist sudden frequency changes, and solar farms supply no such inertia without extra controlsPerfect pitch is rare in adultsRoughly one in ten thousand people can name a note without a referenceSome frogs sit out the Arctic winter as iceThe North American tree frog tolerates freezing for weeksA diving seal slows its heart to a few beats a minuteThe dive reflex shuts blood away from limbs and directs it to the brain and heartThe smallest bone in the human body is inside the earMeasuring just three millimetres long the stapes bone helps transmit sound vibrationsThe stapedius is the smallest muscle in the human bodyMeasuring barely over one millimetre this tiny muscle protects inner ear hearing
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Tags: hearing, frequency, physiology
Humans hear roughly 20 hertz to 20 kilohertz: the short answers
- Where does this come from, and can I check it?
- The top end declines with age, and children hear higher than adults. The figure is taken from Britannica, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.
- Is this really a music fact?
- Yes. It sits on the Music shelf, one of 2,600 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.
- What else can I read about it?
- The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.