Listening to music at high volumes can make a person calmer, happier and more relaxed.

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Giraffes have a very strong heart that pumps blood twice as hard as a cow's heart in order to get blood to its brain. The giraffe's long neck presents a challenge in terms of blood flow, as the heart has to work extra hard to pump blood all the way up the neck and into the brain. In order to achieve this, the giraffe's heart has a thicker left ventricle wall than other mammals of a similar size, which allows it to pump blood more forcefully. Additionally, giraffes have a very high blood pressure, which helps to get blood to the brain more efficiently.

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There are more chickens than people in the world.

What is the chicken to human ratio? In 2020, there were over 33 billion chickens in the world—and there were only 7.76 billion humans. This means there are over four chickens for every person in the world!

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Baby turtles communicate with one another while still in their shells so that they all hatch at the same time.

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Hangovers are the result of hormone level changes in your body meant to reduce dehydration and cellular damage caused by alcohol. You feel hungover until the level of ethanol in your blood slowly returns to zero, which can take up to 48 hours.

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Fast food bread contains a chemical substance called azocarbondiamide. It makes the mixture more elastic.
It's funny, but the same substance is used in the production of yoga mats.

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Queen Elizabeth has met 12 US presidents during her reign, more than a quarter of all presidents since the nation's founding.

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China is reportedly first consumer of snake wine which is an alcoholic beverage produced by infusing whole snake in grain alcohol.

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Cats’ urine glows under a black light. The Urine glows under a black light primarily because it contains the element phosphorus.

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Each year, 16 million thunderstorms happen around the world, and at any given moment, there are about 2,000 thunderstorms in progress.

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The rumbling sound your stomach makes when hungry is called "borborygmus." It happens when the muscles in your digestive system move food, liquid, and gas through your stomach and small intestine,  producing a rumbling sound.

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Jagdish Raj, holder of the Guinness world record for most typecast actor, played a policeman in 144 movies.

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Kangaroo rats can live their whole lives without ever drinking water.

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Have you ever wondered why the sky is blue?

It's not just a coincidence or a random choice by nature. The blue color of the sky is actually due to the way sunlight interacts with our atmosphere. As sunlight enters the Earth's atmosphere, it collides with molecules in the air, scattering the light in different directions. Blue light, with its shorter wavelength, is more easily scattered than other colors, giving the sky its characteristic blue hue. So next time you look up at the sky, remember it's not just a pretty color, but a fascinating scientific phenomenon.

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It can take up to 20 minutes for your brain to realize that your stomach is full.

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To pack your child for school in Finland, you only need a briefcase.

Everything else is free, even lunch.

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The longest official name of a place is Taumatawhakatangihangakoauauotamateaturipukakapikimaungahoronukupokaiwhenuakitanatahu, a hill in New Zealand.

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