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How Do Fireflies Make Their Own Light?

How Do Fireflies Make Their Own Light?

萤火虫是怎么自己发光的?

  1. Fireflies produce light through a chemical reaction in their bodies.
  2. This process is called bioluminescence and needs no heat.
  3. A substance called luciferin reacts with oxygen and light energy.
  4. An enzyme named luciferase helps speed up this reaction.
  5. The light color varies slightly between firefly species.
  6. Scientists study this to make safer medical tools.
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