Science & Nature
Explanations of the natural world, from everyday science to the living things around us.
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Why does a blanket keep you warm?
Read the guide: Why does a blanket keep you warm?A blanket slows heat loss by holding relatively still air around you. Here’s how insulation, air movement, and its structure help you stay warm.
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Why does metal feel colder than wood?
Read the guide: Why does metal feel colder than wood?A metal handle can feel colder than a wooden door at the same temperature. The difference is how quickly each material draws heat from your skin.