Hearing

4 cards. Each one is a 40-second story with a five-minute read behind it.

1. Can microwaves create sounds inside your head without any speakers?Imagine hearing clicking, buzzing, or even human voices without any nearby electronic devices. This is not science fiction; it is a documented phenomenon where modulated radio fre…
2. Your audiogram might be missing a hidden type of hearing lossAn audiogram is the gold standard for mapping your hearing, but it has a blind spot. While it captures the softest sounds you can detect, it often fails to reveal 'hidden hearing …
3. Perfect pitch may have more to do with your first language than your genes.People with absolute pitch can name a note out of thin air. It is often called one in 10,000, but nobody really knows. What is clear is that it is far more common among people who…
4. Your phone can't play a man's voice. Your brain fills in the missing note.Most telephones can't reproduce sounds below about 300 hertz, yet a typical male voice sits around 150. We still hear its true pitch, because the brain reconstructs a note from th…

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