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:    • Why Shouldn't You Take Medicine with ...  

Hosted by: Olivia Gordon

Check out our eclipse merch here!: https://store.dftba.com/products/sola...
----------
Support SciShow by becoming a patron on Patreon:   / scishow  
----------
Dooblydoo thanks go to the following Patreon supporters—Alexander Wadsworth, Kevin Bealer, Mark Terrio-Cameron, KatieMarie Magnone, Patrick Merrithew, Charles Southerland, Fatima Iqbal, Sultan Alkhulaifi, Tim Curwick, Scott Satovsky Jr, Philippe von Bergen, Bella Nash, Chris Peters, Patrick D. Ashmore, Piya Shedden, Charles George
----------
Looking for SciShow elsewhere on the internet?
Facebook:   / scishow  
Twitter:   / scishow  
Tumblr:   / scishow  
Instagram:   / thescishow  
----------
Sources:
http://www.npr.org/sections/health-sh...
http://www.nejm.org/doi/full/10.1056/...
http://www.jem-journal.com/article/S0...
http://www.sciencedirect.com/topics/p...
http://onlinelibrary.wiley.com/doi/10...
http://articles.orlandosentinel.com/2...
http://articles.chicagotribune.com/19...
http://emedicine.medscape.com/article...
https://books.google.com/books?id=pkz...
https://www.ncbi.nlm.nih.gov/pubmed/1...
https://www.jstor.org/stable/1938456?...
http://homepages.wmich.edu/~malcolm/B...
https://books.google.com/books?id=9DE...
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/Fi...
https://commons.wikimedia.org/wiki/Fi...
https://commons.wikimedia.org/wiki/Fi...
https://commons.wikimedia.org/wiki/Fi...
https://commons.wikimedia.org/wiki/Fi...