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I pulled three questions from my jar. Which question do you want to explore next week?

  • When were shoelaces invented?

    -Caleb, 1st Grade

  • What were the first computers like?

    -Nora, 3rd Grade

  • How does a refrigerator work?

    -Stephen, Kindergarten

How does hand sanitizer kill germs?

Watch the video to discover the answer and don't forget to vote for next week's question. There are mysteries all around us. Have fun and stay curious!