Some very smart men apparently have too much time on their hands:

Scientists in Taiwan say they have bred three pigs that glow in the dark.

They claim that while other researchers have bred partly fluorescent pigs, theirs are the only pigs in the world which are green through and through.

The pigs are transgenic, created by adding genetic material from jellyfish into a normal pig embryo.

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Taiwan is not claiming a world first. Others have bred partially fluorescent pigs before. But the researchers insist the three pigs they have produced are better.

They are the only ones that are green from the inside out. Even their heart and internal organs are green, they say.