ELI5: Explain Like I'm 5

Kitsunebi

Kitsunebi is a word that comes from Japanese tradition and it means "fox fire". Have you ever heard of foxes? They are cute animals that look like dogs, but they have pointy ears and a bushy tail. In some stories, foxes have magical powers, like being able to shape-shift into humans, and that's where the idea of kitsunebi comes from.

You know how sometimes when you rub two sticks together really fast, you can create sparks? Well, when a fox wants to use its magic powers, it can create a special kind of spark that looks like a ball of fire. That's called kitsunebi.

Now, scientists have a different idea of what causes kitsunebi. They think it might be a natural phenomenon called "bioluminescence". Bioluminescence happens when some living things, like fireflies or some types of jellyfish, create their own light. Maybe some foxes have a gene that lets them do this, too!

In any case, kitsunebi is a very mysterious and magical thing that people in Japan still talk about today. It's a symbol of the creativity and wonder of nature, and it reminds us that there are still many things in the world that we don't understand.
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