Does academic freedom have limits?
21:58
Is it okay to eat meat? Peter Singer tackles the best objections against vegetarianism
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Peter Singer - Ethics, Utilitarianism & Effective Altruism
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Peter Singer Talks to Cosmic Skeptic About Utilitarianism | Podcast #6
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Happiness and Ultimate Good with Peter Singer
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Donald Sadoway
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The Life You Can Save | Peter Singer | Talks at Google
45:56
Programa 233 – Plusvalía ideológica (Ludovico Silva)
43:17