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Water.Day_town with frozen river
Water is the only substance that expands when it freezes

Frozen water expands 9%, cracking pipes and splitting rocks—but it also makes ice float, keeping fish alive.

More bite-sized facts

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Water.Day_Women in Bed waking up
You literally lose a bottle of water sleeping

Your body loses about 0.47 liters of water just through overnight breathing - that's why you wake up naturally thirsty.

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Water.Day_brewing coffee with water
Water is the secret star of your coffee ritual

Those coffee beans you love? They contribute 2% of what's actually in your cup.

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Water.Day_trees in Redwood Forest California
Water flows uphill when nobody's watching

In trees, water defies gravity and flows upward through tiny tubes using surface tension and evaporation - no pumps needed.