Sources:
Ozone hole healing
http://science.sciencemag.org/content...
http://science.sciencemag.org/content...
http://www.ozonelayer.noaa.gov/faq/fa...
Science of MDMA
http://www.eurekalert.org/emb_release...
http://www.cell.com/cell/fulltext/S00...
https://www.dea.gov/druginfo/ds.shtml
http://www.nytimes.com/1985/06/01/us/...