Having read the piece on plastic pollution in ET I wondered how many people were aware that one of the key papers on the effect of microplastics on fish was withdrawn because it was effectively made up.
https://www.theguardian.com/environment/2017/may/04/authors-retract-controversial-paper-on-dangers-of-microplastics-to-fish-microbeads
http://www.sciencemag.org/news/2017/03/groundbreaking-study-dangers-microplastics-may-be-unraveling
Best regards
Roger