What Makes the Egg Shell so Strong?
Have you ever wondered why hens don’t break their eggs when they sit on them? The secret lies in the shape of the egg. An …
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5ws and h
All features, stories and articles categorised by: 5ws and h
210 items · page 2 of 18
Elevator Physics
You get into an elevator (or a lift, as we sometimes call it) and for a second or two, just as the elevator moves down, we feel …
793 words
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Where Did Shoes Come From?
Ooh, aah, ouch! People in ancient times must have yelped like this when they walked on rough ground without any shoes on. And it …
548 words
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Why doesn't our stomach get digested?
All the food we eat goes into our stomach. Here, it is broken into smaller and simpler substances and get absorbed into the …
356 words
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Why Do We Have Wrinkly Fingers After Swimming?
You’ve been playing in the pool for almost an hour now, practicing your best underwater somersaults. Now it’s time to …
437 words
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What is Artificial Intelligence?
If you touch a hot metal object, you will yank your hand away immediately. When this happens to you the first time, the sequence …
956 words
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Why is the Dead Sea dead?
The Dead Sea is indeed a very scary name for a lake. It is called so because nothing lives in it. There are no sea weeds or …
491 words
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Why's it hard for Ketchup to flow?
Why is it so tough to get ketchup out of the bottle? Why’s it hard for Ketchup to flow? [Illustration by Shinod AP] When …
414 words
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How Does Ice float?
A cool glass of water topped with huge chunks of ice is sure to quench your thirst on a hot summer day. But, before you guzzle …
362 words
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What are Volcanic Tubeworms?
In order to raise chicks the farmer keeps the eggs warm and is careful not to crush them. But when scientists in the University …
502 words
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What is the origin of OK?
‘I’m OK means ‘I’m fine’. But if you say the weather’s OK in a lazy drawl, it could mean ‘so-so’. When you respond …
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What is an ISBN number?
There are hundreds of thousands of publishers across the world, and millions of books get printed every year. Moreover, a book …
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