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How do the animals that live at the bottom of the ocean make their own light?
Question Date: 2013-02-19
Answer 1:

There are are amazing chemical reactions that animals use to make light. Fireflies (lightning bugs) use them too. Basically, chemical energy gets changed into light energy. One way this happens is that Calcium ions interact with a special protein to produce light. One famous protein is called Green Fluorescent Protein (GFP).

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