Tetrathlon Tetrathlon A tetrathlon (from the numerical prefix "tetra-" meaning four) is a team competition organized by Pony Clubs for its members. It is a variant of the modern pentathlon, without fencing. Thus it comprises the four disciplines of shooting, swimming, riding and running. Ideally, teams consist of four members from one pony club competing against several teams from rival clubs. Competitions are usually held over two days during the summer months. It is recommended that one skill and one endurance phase is completed on each day. For example, shooting and swimming will be on the first day, riding and running
How Are We to Live? How Are We to Live? How Are We to Live?: Ethics in an Age of Self-Interest is a book on applied ethics by bioethical philosopher Peter Singer. It was first published in 1993, with subsequent editions in later years. Singer argues that doing the right thing involves attending to the sufferings and preferences of other sentient beings. Singer presents a history of ethical thought, and attempts to refute the popular idea that humans are genetically driven to be selfish. He explains how this idea has been attributed to Thomas Hobbes and Adam Smith, and how politicians like Margaret Thatcher and