Why Does Inhaling Helium Turn Human Voice Funny?
Though I haven’t tried it, I have seen people who inhale helium and turn into a Donald Duck all of a sudden. While there are many myths about helium, like this popular one — “helium...
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How Anesthesia Works?
Anesthesia is one of the luxuries our ancestors couldn’t get in the earlier centuries, when their doctors had to open up their body and perform complex surgeries. If it weren’t for these body-numbing elixirs, our...
Why Do Birds Turn Their Neck so Fast?
If you ever had the time to observe the birds closely, you could have seen their intense head turns like it’s being enlightened mystically every second. Despite the quick twitchy head movements and the environmental...
Why You Can’t Hear Sound in Space?
For any sounds to reach your ear, it would need a medium (fluid, solid) to propagate. For example, when your friend calls out your name, her vocal folds vibrate and make the sound of your...
