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🔬 Science
A teaspoon of a neutron star would weigh about 10 million tonnes on Earth
Neutron stars are the densest objects in the observable universe, packing more mass than our Sun into a sphere just 20 km across. The immense gravity compresses protons and electrons into neutrons.
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🧠 Psychology
Your brain generates 23 watts of electricity enough to power a dim light bulb
86 billion neurons fire electrical signals up to 200 times per second. The brain consumes about 20 percent of the body total energy despite being only 2 percent of its weight.
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🔬 Science
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A teaspoon of a neutron star would weigh about 10 million tonnes on Earth
Neutron stars are the densest objects in the observable universe, packing more mass than our Sun into a sphere just 20 km across. The immense gravity compresses protons and electrons into neutrons.
🧠 Psychology
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Your brain generates 23 watts of electricity enough to power a dim light bulb
86 billion neurons fire electrical signals up to 200 times per second. The brain consumes about 20 percent of the body total energy despite being only 2 percent of its weight.
🏛️ History
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Oxford University is older than the Aztec Empire by over 300 years
Oxford started teaching in 1096 AD. The Aztec Empire was founded in 1428 AD, making one of history greatest civilisations younger than a still-operating university.
🏛️ History
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Cleopatra lived closer in time to the Moon landing than to the Great Pyramid
The Great Pyramid was built around 2560 BC. Cleopatra was born in 69 BC - 2491 years later. The Moon landing was 1969 AD - only 2038 years after Cleopatra. Modern history is surprisingly recent.
🚀 Space
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There are more stars in the universe than grains of sand on all of Earth beaches
Astronomers estimate there are around 10 to the power 24 stars in the observable universe, compared to roughly 7.5 times 10 to the power 18 grains of sand on Earth.
🔬 Health
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Cold Water Swimming Changes Your Brain Chemistry Within Minutes
Regular cold water immersion triggers a measurable increase in dopamine and noradrenaline that can last for hours — a physiological response unlike almost any other everyday activity.