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Best Facts of All Time - Page 1694

Another reason to love cats: the sound frequency of a cat's purr can increase bone density and promote healing


Cats have adapted to conserve energy via long periods of rest and sleep. Purring is a low energy mechanism that stimulates muscles and bones without wasting a lot of energy.

As a result, cats do not display as many muscle and bone abnormalities as the domestic dog. It could be that a cat's purring helps alleviate the dysplasia or osteoporotic conditions that are common in dogs.

Cats purr when inhaling and also when exhaling, with a consistent pattern and frequency between 25 and 150 Hertz. Various investigations have shown that sound frequencies in this range can improve bone density and speed up healing.

This link between the sound frequency of a cat's purr and the accelerated healing of bones and muscles could prove helpful for some humans. Bone density loss and muscle atrophy are a serious concern for astronauts during extended periods at zero gravity.

Cats do not only purr when they are happy. Although cats purr when nursing their kittens, or when being petted by their human, they also do so when recovering from an injury. It is therefore more plausible that cat purring is not only a means of communication, but also a potential source of self-healing.

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A study asked people to write ‘door’ 30 times in 60 seconds. After, they doubted that door was a real word!


You might be familiar with déjà vu. Jamais vu is the opposite feeling to it. Jamais vu is when you experience a familiar situation but somehow feels strangely new.

At the International Conference of Memory in Sydney, Chris Moulin of Leeds University asked 92 volunteers to write out ‘door’ 30 times in 60 seconds as part of an experiment.

After they were done, 68% of people showed symptoms of jamais vu, such as beginning to doubt that ‘door’ was a real word. Dr. Moulin believes that it’s because the brain grows fatigued that this phenomenon happens.

Try it out for yourself and let us know in the comments if you ever doubt that ‘door’ is a word!

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Two cats helped the Dutch Embassy in Moscow find spy microphones!


In the 1960s, two Siamese cats were asleep in the study of Henri Helb, the Dutch ambassador to Russia. Suddenly, they bounced up, arched their backs and started scratching the wall.

This was because the cats had heard the sound of the mics being turned on; a sound imperceptible to humans. Thanks to the cats, they found 30 other microphones around the embassy.

Instead of complaining to the Russians, they used the microphones to their advantage. For example, they once grumbled about how long it had taken to repair an embassy sewer. It was fixed the next morning.

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Some awesome lists!

Learn why the Naked Mole Rat might be the superhero of animals!


Naked mole rats live in Africa and are a super animal. The pink skinned rats have limited white hair that criss-crosses their bodies and used as sensitive sensors that help them navigate in the pitch black tunnels underground that they live in.

These mammals, unlike all others, can go without oxygen for nine to twelve minutes, three times longer than laboratory mice. Their noses and mouths are unaffected by acid, too. These rats can live six times longer than any other rodent and barely age while they are at it. They don't get cancer and they can survive in areas with heavy metal pollution. All in all, they are real life superhero animals.

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Eminem was asleep when he won an Academy Award! Why?


Eminem, though he may be controversial, fans of hip hop music claim that he is among the top rappers of all time. His lyrical ability, although graphic and profane, cannot be denied.

Eminem starred in the film '8 Mile', which he also wrote an original song for that you may have heard of - it's called "Lose Yourself". The song has become extremely popular, even among people who find rap music distasteful.

The song has been nominated for countless awards, including an Oscar for Best Original Song - which the song ended up winning. Although, Eminem was absent from the ceremony - the first time a winner of Best Original Song for that year didn't perform.

In an interview, Eminem explained that he would have felt uncomfortable at the Oscars, considering the fact his songs make fun of almost everyone he would have been sitting in the room with. Furthermore, Eminem didn't even watch the ceremony! He said he fell asleep watching cartoons with his daughter at the time because he believed he wouldn't win the award!

For more information about "Lose Yourself" and other fun facts - click the source!

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