water rats learn in 2 years to eat poisonous cane toads, the great oper air experiment that is Australia

Australian water rats cut cane toads open with ‘surgical precision’ to feast on their hearts

Pellagra ravaged some areas of Europe were corn was staple long after it was imported from the Americas. The Europeans did not import the right method to prepare it which would enrich it of vitamin E and did not develop a remedy for centuries. Maybe water rats would have done better

“despite the long prevalence of a corn-based diet in Central and South America, pellagra did not occur there. In those cultures, ground corn was first boiled in lime water, a procedure which releases the small amount of niacin contained in the corn. In addition, beans traditionally accompanied tortillas made from the boiled cornmeal.” https://www.timesfreepress.com/news/life/entertainment/story/2016/jul/12/clif-cleaveland-pellagrand-history-south/375065/

Golden rice is GM rice enriched with vitamin, its story is worth reading

Block on GM rice ‘has cost millions of lives and led to child blindness’