221 Facts Tell Me Why

221 Facts Tell Me Why221 Facts Tell Me Why is a storehouse of curious facts about the world. The collection will encourage children to go and explore knowledge out there in the world.✨📚

Why is a horse’s tail so different from that of a zebra or donkey?

Zebras, donkeys and horses might look like they belong to the same family; yet, there are very important differences among them. Their tails make a big difference. Zebras and donkeys have thin tails with tufts while horses have beautiful tails full of long hair. The former primarily use their tails to swat away flies, while […]

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Why is the colour of lips so different from the rest of the body’s colour?

Lips are unique and very different from the rest of the body. They have three layers ofskin – epidermis, stratum corneum and dermis. However, the stratum corneum on lips is far thinner than it is anywhere else on the body. Lips also do not have hair follicles like the rest of the body which makes

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Why shouldn’t you stand under a tree that has been struck by lightning?

Lightning travels down the side of the tree-trunk and then encounters the person standing next to the trunk. This person is made up of slightly salty water which is a better conductor. Instead of just the tree-trunk, lightning strike finds that a combination of the two is much better. So, a subsidiary strike connects to

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Why do the leaves of a touch-me-not plant close when we touch them?

The touch-me-not plant’s leaves close on touching due to a touch stimulus known as ‘thigmonasty’. This is a mechano-sensory response in the plant. Generally, the water and cell contents apply pressure to the cell wall allowing the plant and leaf to have a rigid structure, in the process. However, when disturbed, certain chemicals are released

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Why do we make grunting noises when we lift heavy things?

There are many theories regarding why we grunt when we lift heavy objects. The most popular is that when we grunt, we activate the autonomic nervous system. It is responsible for controlling the body’s flight or fight response. It also releases the adrenaline rush in these scenarios. This helps the muscle contractions be more complete

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