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Water.Day_water droplets on car window
Water can be liquid at -40°C without freezing

"Supercooled" water stays liquid way below freezing until you tap it—then it instantly turns to ice before your eyes.

More bite-sized facts

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Water.Day_man showing tears
Your tears have the same salt level as the ocean

Human tears contain about 0.9% salt - nearly identical to seawater, like your body remembers where life began.

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Water.Day_women with glass of alcohol
Your hangover is literally water debt collection

That headache is your brain shrinking slightly from dehydration, demanding you pay back the water alcohol stole.

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Water.Day_green houseplants
Your houseplants are basically water sculptures

Most plants are 80-95% water - that fiddle leaf fig is essentially a beautiful water tower with style.