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Why Do Earthworms Come Out After It Rains?

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Published on Jul 22, 2017

Scientists come up with lots of possible reasons why rain triggers earthworms mysterious behavior: popping out of the soil and getting stranded on the ground.

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Sources:
https://www.livescience.com/32480-why...
http://news.wisc.edu/curiosities-afte...
http://www.popsci.com/scitech/article...
https://www.scientificamerican.com/ar...
http://www.learner.org/jnorth/search/...
http://www.academia.edu/7438399/Role_...
http://extension.psu.edu/plants/crops...
http://www.earthwormsoc.org.uk/node/60
https://books.google.com/books?id=CRv...
https://www.washingtonpost.com/news/c...
http://journals.plos.org/plosone/arti...
https://www.ncbi.nlm.nih.gov/pmc/arti...
http://s3.amazonaws.com/academia.edu....

Image Sources:
https://commons.wikimedia.org/wiki/Fi...
https://commons.wikimedia.org/wiki/Fi...
https://commons.wikimedia.org/wiki/Fi...

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