Stress can make hair turn white by damaging cells that color hair. In mice, stress made these cells vanish, turning fur white. A protein called CDK causes this damage. Medicines blocking CDK stopped hair whitening in mice. This research could help prevent stress-related grey hair in the future.

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Adding salt to coffee make it less bitter.

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Each king in a deck of playing cards represents great king from history.

Spades - King David
Clubs - Alexander the Great
Hearts - Charlemagne
Diamonds - Julius Caesar

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When you say "Yes" in Bulgaria you shake your head, and when you say "No" you nod.

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The "Breaking Bad" team was offered $75 million to produce three more episodes after the final season, which was estimated to be more than their earnings in five years The team refused, saying that the final episodes didn't accommodate additional installments.

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Scientists have found that blueberries may effectively reduce effects of aging.

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This is the "tarantula hawk," a hunter of tarantulas and the largest wasp in the world. Its sting is one of the most painful, with the pain lasting for about 5 minutes.

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😺 Cats sleep more than half their lives.

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Can People really cry tears of blood?

Haemolacria, crying bloody tears is a rare condition  that causes a person to cry tears partially made of blood.

It is caused by emotional stress or hormonal change, head injury, Tumor, Blood clot, infection or damage on the tear duct.

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On November 28, 1893, New Zealand became the first self-governing country in the world to grant all women the right to vote in parliamentary elections. 🗳️✊

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The Moon takes about 29.5 Earth days to go from one sunrise to the next. Daylight lasts around 14.75 days, and night also lasts about 14.75 days. This long day and night happen because the Moon spins slowly and moves around Earth at the same time. We always see the same side of the Moon because of this. 🌕🌑

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Tigers, jaguars and leopards all love the smell of Calvin Klein’s cologne "Obsession For Men." The fragrance is even used to lure the large cats to cameras in the wild. In response to the cologne, the cats “would start drooling, their eyes would half-close, almost like they were going into a trance.” Not quite the same effect as it has on humans.

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Neurobiologists from the USA have decided to find out who is smarter: cats or dogs. A study of the brains of pets showed that cats have half as many neurons as dogs - 250 million compared to 530. Most likely, dogs are more intelligent.

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When did you came to know that you can break the top of the toothpick and place it on the surface so that the sharp point of toothpick remain clean without touching the surface.

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This is not a forest, but a single tree in India, known as the Great Banyan.

It span 4.67 acres, stands 80 feet tall,  and is over 250 years old.

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The people in Bali, Indonesia, only have one of four names which are given according to birth order, the names are: Wayan, Made, Nyoman, and Ketut which are used for the first, second, third, and fourth children, respectively. If a family has a fifth child, they are named Wayan again, starting the cycle over. These names are used for both male and female children.

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The custom of putting candles on cakes dates back to the ancient Greeks, who honored the goddess Artemis by placing lit candles on round, moon-shaped cakes. They believed that the smoke from the candles carried their wishes and prayers up to the gods in the sky.

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In some Japan's schools, education isn’t just about knowledge — it’s about character. For the first three years of school, children in these specific institutes don’t take academic exams at all.

Instead, the focus is on respect, empathy, and moral values.

Students learn to clean their classrooms, serve lunch to their peers, and care for their environment. Teachers emphasize teamwork, discipline, and gratitude — qualities considered as vital as academic success.

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In a world where wealth often defines power, a Saudi billionaire stunned everyone by donating $19 billion to charity, instantly losing his billionaire status — and gaining global admiration. The massive contribution went to health, education, and poverty alleviation programs across the Middle East and Africa.

Sulaiman bin Abdul Aziz Al Rajhi, co-founder of Al Rajhi Bank, transformed himself into a symbol of selfless generosity, proving that impact can outweigh fortune.

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