Furanocoumarins, the evolutionary weapons of certain plants (including limes), can ruin your vacation, or cause caterpillars to curl leaves. Find out why in this episode of SciShow!

More about furanocoumarins: https://www.youtube.com/watch?v=5Nxne8QfIhM

Hosted by: Olivia Gordon

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Sources:
http://www.npr.org/sections/health-shots/2010/10/21/130722086/mexican-beer-dermititus-the-scourge-of-the-beach-bum
http://www.nejm.org/doi/full/10.1056/NEJM198601303140518
http://www.jem-journal.com/article/S0736-4679(98)00159-0/fulltext
http://www.sciencedirect.com/topics/page/Furanocoumarins
http://onlinelibrary.wiley.com/doi/10.1111/j.1600-0536.1999.tb06145.x/abstract
http://articles.orlandosentinel.com/2010-10-19/news/os-mexican-beer-dermatitis-20101019_1_lime-beer-dermatitis
http://articles.chicagotribune.com/1986-02-02/news/8601090347_1_limes-drinking-game-perfumes
http://emedicine.medscape.com/article/1119566-overview
https://books.google.com/books?id=pkzx2TeYYT8C&pg=RA3-PA346&lpg=RA3-PA346
https://www.ncbi.nlm.nih.gov/pubmed/16640727
https://www.jstor.org/stable/1938456?seq=1#page_scan_tab_contents
http://homepages.wmich.edu/~malcolm/BIOS5970-Plant-Herbivore/Publications/3%20Berenbaum-Evol1983.pdf
https://books.google.com/books?id=9DEBCAAAQBAJ&pg=PA258&lpg=PA258
Watson, James D., and Andrew Berry. DNA: The Secret of Life. New York: Alfred A. Knopf, 2006. 147-49. Print.

Image sources:
https://commons.wikimedia.org/wiki/File:Effet_de_la_rue_officinale.jpg
https://commons.wikimedia.org/wiki/File:Psoralen.svg
https://commons.wikimedia.org/wiki/File:Archips_argyrospila_larva.jpg
https://commons.wikimedia.org/wiki/File:Black-swallowtail-osmeterium.JPG
https://commons.wikimedia.org/wiki/File:Bergamotti_(Bergamot_fruits)_-_(4).jpg