The problem with processed meats - Processed meats cause cancer

http://time.com/4092912/nitrate-nitrite-bacon-cancer-meat/

Appreciating fish

A coral reef can recognise individual faces: http://news.nationalgeographic.com/2015/09/151001-fish-faces-animals-science-oceans/

and fish are vigilant for each other: http://www.nature.com/articles/srep14556