Bricks are the oldest building material in the world.

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China is testing a new safety feature for its highway network.

The new laser system, which they call ‘anti-sleep’ lasers, consists of a rainbow-colored ‘sky’ of lasers that go on and off at regular intervals on some sections of China’s highway network.

The idea is to keep drivers alert with these super colorful lasers.

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Giraffes need surprisingly little sleep. The average giraffe sleeps for 4.6 hours per day.

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In 2018, a man held in a sneeze and ruptured his pharynx, as reported in the British Medical Journal. A reminder not to stifle your sneezes!

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France is the only country in Europe to be completely self-sufficient in basic food production.

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Transparent coffee was invented in Slovakia. Brothers Adam and David Nady decided that the ideal coffee does not stain teeth or stain clothes, so they came up with this drink, the recipe of which is kept secret.

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Prolonged exposure to silence can lead to improved memory, relief from insomnia, and reduced anxiety.

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There exists a species of butterfly known as the "89'98 Butterfly." It is so-named for its markings, which uncannily resemble the number 89 on one wing, and the number 98 on the other

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Japan is the only country in the world with more pets than children

The country has just 17 million children under the age of 16, but almost 20 million cats and dogs.

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​​Famed for her beauty, Cleopatra wasn't actually Egyptian

She was of Greek descent, and while she was the first member of her family to learn the Egyptian language, she primarily spoke Greek

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🕶 The green color of night vision devices is due to the fact that the human eye can distinguish more shades of this color than any other.

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Tea prevents tooth decay 🫖

Tea contains such a high percentage of fluoride that it can be successfully used as a convenient and effective means to prevent tooth decay, primarily inhibiting the occurrence of cavities.

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The lightning we see is caused by the electricity heating the air to 30,000°C (54,000°F) and turning it into plasma briefly. The sound of thunder is also caused by the transformation of air to plasma, which makes the air expand incredibly quickly.

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A piece of pure gold the size of a matchbox can be rolled out to the size of a tennis court.

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Australia got its name by accident from ‘Terra Australis’ (meaning ‘South Land’) after it was mistaken for the world’s southernmost continent. If not for this mistake, Antarctica would have been Australia, and Australia would have been named ‘New Holland.’


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Twins can have different fathers - this phenomenon is called superfecundation.

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The radiation at a nuclear power plant does not generate electricity - it simply heats water, turning it into steam, which in turn drives a turbine that generates electricity.

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