A doctor has shared a quick test that reveals how old your ears are based on the highest frequency you can hear. Humans can hear a frequency of between 20 and 20,000 hertz (Hz), although most can only ...
An online test promises to reveal the age of your ears — all via playing sounds through your headphones. The minute-long test, popularized by UK-based educational organization eChalk, works by playing ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results