science
Scientists studying a small pond snail found that it can grow a whole new working eye in about a month if it loses one.
Regeneration is the name for regrowing a lost body part, and this pond snail can rebuild a whole working eye in about a month. Its body has special cells that multiply and rebuild missing parts almost from scratch, something most animals, including people, cannot do as well.
Evaporation is water turning into vapor, and reflection is light bouncing off a mirror, so neither has anything to do with a body healing itself.
Scientists study snails like this, plus salamanders and starfish, hoping to learn their cells' tricks, which could one day help doctors heal people.
science
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