Mummified poop reveals pre-Columbian cultures of the Caribbean consumed a diversity of plants

DNA analysis of mummified poop reveals two pre-Columbian Caribbean cultures ate a wide variety of plants, like maize, sweet potato, and peanuts—and tobacco and cotton traces were detected too, according to a study published October 11, 2023 in the open-access journal PLOS ONE by Jelissa Reynoso-García from the University of Puerto Rico, Puerto Rico, and colleagues.