The capuchin monkeys of Brazil’s Serra da Capivara National Park use stone hammers and anvils to crack open cashews — just as their parents did, and their parents’ parents, and so on back for at least 700 years. Theirs one of the oldest known examples of nonhuman tool use; so old, in fact, that researchers studying
Don't Flush Tiger Forests - Toilet Paper, Supermarkets, and Indonesia's Last Tiger Habitats. A report by the World Wildlife Fund. Paseo and Livi brand products are the ones to avoid if you want to do your bit to stop flushing the forests.