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When gravity nearly disappears
On the ISS, surface tension pulls liquid into the smallest shape. Boiling generates bubbles 30x faster than on Earth.
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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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The ocean holds 25 quadrillion tons
That's the estimated weight of all dissolved minerals in Earth's oceans. Every cubic mile contains about 120 million tons of salt.
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Your hangover is literally water debt collection
That headache is your brain shrinking slightly from dehydration, demanding you pay back the water alcohol stole.
