Biology

104 curiosities answered in Everyday Objects.

Why Do Batteries Leak Over Time?

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Why Do Batteries Leak When Cooled?

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Why Do Batteries Leak?

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Why Do Books Smell Musty When Cooled?

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Why Do Books Smell Musty?

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Why Do Bubblegum Stick to Things When Heated?

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Why Do Bubblegum Stick to Things When Wet?

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Why Do Bubblegum Stick to Things?

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Why Do Bubbles Pop When Cooled?

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Why Do Coins Tarnish Over Time?

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Why Do Coins Tarnish When Cooled?

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Why Do Coins Tarnish When Heated?

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Why Do Coins Tarnish When Wet?

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Why Do Coins Tarnish?

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Why Do Copper Turn Green Over Time?

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Why Do Copper Turn Green When Heated?

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Why Do Copper Turn Green When Wet?

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Why Do Copper Turn Green?

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Why Do Dishwashing Detergent Foam Over Time?

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Why Do Dishwashing Detergent Foam?

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Why Do Fingers Wrinkle in Water Over Time?

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Why Do Glue Dry Over Time?

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Why Do Glue Dry When Cooled?

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Why Do Gold not Rust Over Time?

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Why Do Gold not Rust When Cooled?

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Why Do Gold not Rust When Heated?

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Why Do Gold not Rust When Wet?

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Why Do Gold not Rust?

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Why Do Hand Warmers Heat up Over Time?

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Why Do Hand Warmers Heat up When Cooled?

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Why Do Hand Warmers Heat up When Heated?

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Why Do Hand Warmers Heat up When Wet?

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Why Do Hand Warmers Heat up?

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Why Do Ice Float in Water?

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Why Do Iron Rust Over Time?

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Why Do Iron Rust When Cooled?

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Why Do Iron Rust When Heated?

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Why Do Iron Rust When Wet?

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Why Do Iron Rust?

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Why Do Matches Light Over Time?

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Why Do Matches Light When Cooled?

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Why Do Matches Light When Heated?

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Why Do Matches Light When Wet?

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Why Do Matches Light?

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Why Do Onions Make Your Eyes Water Over Time?

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Why Do Onions Make Your Eyes Water When Cooled?

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Why Do Onions Make Your Eyes Water When Heated?

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Why Do Onions Make Your Eyes Water When Wet?

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Why Do Onions Make Your Eyes Water?

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Why Do Paint Dry Over Time?

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Why Do Paint Dry When Cooled?

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Why Do Paint Dry When Heated?

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Why Do Paint Dry When Wet?

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Why Do Paint Dry?

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Why Do Paper Burn Quickly When Heated?

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Why Do Paper Burn Quickly When Wet?

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Why Do Paper Burn Quickly?

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Why Do Plastic Turn Yellow When Wet?

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Why Do Plastic Turn Yellow?

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Why Do Plastic Wrap Cling When Wet?

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Why Do Salt Dissolve in Water Over Time?

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Why Do Salt Dissolve in Water When Cooled?

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Why Do Salt Dissolve in Water When Heated?

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Why Do Salt Dissolve in Water When Wet?

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Why Do Salt Dissolve in Water?

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Why Do Salt Melt Ice Over Time?

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Why Do Salt Melt Ice When Cooled?

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Why Do Salt Melt Ice When Heated?

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Why Do Salt Melt Ice When Wet?

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Why Do Silver Tarnish Over Time?

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Why Do Silver Tarnish When Cooled?

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Why Do Silver Tarnish When Heated?

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Why Do Silver Tarnish When Wet?

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Why Do Silver Tarnish?

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Why Do Slugs Dissolve When Salt is Sprinkled Over Time?

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Why Do Slugs Dissolve When Salt is Sprinkled When Cooled?

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Why Do Slugs Dissolve When Salt is Sprinkled When Heated?

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Why Do Slugs Dissolve When Salt is Sprinkled When Wet?

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Why Do Soap Make Bubbles Over Time?

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Why Do Soap Make Bubbles When Cooled?

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Why Do Soap Make Bubbles When Heated?

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Why Do Soap Make Bubbles When Wet?

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Why Do Soap Make Bubbles?

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Why Do Soap Remove Grease Over Time?

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Why Do Soap Remove Grease When Cooled?

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Why Do Soap Remove Grease When Wet?

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Why Do Soap Remove Grease?

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Why Do Soda Fizz Over Time?

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Why Do Soda Fizz When Cooled?

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Why Do Soda Fizz When Heated?

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Why Do Soda Fizz When Wet?

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Why Do Sugar Cubes Dissolve Over Time?

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Why Do Sugar Cubes Dissolve When Cooled?

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Why Do Sugar Cubes Dissolve When Heated?

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Why Do Sugar Cubes Dissolve When Wet?

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Why Do Sugar Cubes Dissolve?

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Why Do Toothpaste Foam Over Time?

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Why Do Toothpaste Foam When Cooled?

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Why Do Toothpaste Foam When Heated?

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Why Do Toothpaste Foam When Wet?

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Why Do Toothpaste Foam?

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Why Do Watch Batteries Die Over Time?

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Why Do Watch Batteries Die When Cooled?

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Why Do Water Boil at 100ยฐC When Cooled?

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