Eric Walker added How Pandemics End - The New York Times to a number of topics
Eric Walker added Brown rats and Animals Laugh Too: UCLA Study Finds Laughter in 65 Species, from Rats to Cows | Open Culture to Rats, and added Rats to Rodents
Eric Walker added How Pandemics End - The New York Times and Beer and bagels please: New York rats evolve to mirror human habits | World news | The Guardian to Brown rats, and added Brown rats to Rats