ClassX Video Lessons Youtube Channel Mystery Science

Category: Mystery Science

Why do whales sing?

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How do vaccines work?

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What is the biggest spider in the world?

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How do scientists learn about wild animals?

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How do scientists know so much?

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Mystery Doug Live from home!

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How does hand sanitizer kill germs?

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Do other countries celebrate Thanksgiving?

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Why do our skeletons have so many bones?

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How do flowers bloom in the spring?

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