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Very long ago our ancestors had moral systems. Our current institutions are only a couple of thousand years old, which is really not old in the eyes of a biologist.
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Octopuses have hundreds of suckers, each one equipped with its own ganglion with thousands of neurons. These 'mini-brains' are interconnected, making for a widely distributed nervous system. That is why a severed octopus arm may crawl on its own and even pick up food.
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I'm personally a nonbeliever, so I'm struggling with if we really need religion.
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I think the sense of fairness in humans is very strongly developed, and that's why we react so strongly to all the bonuses received by Wall Street executives. We want to know why they deserve these benefits.
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Deep down, creationists realize they will never win factual arguments with science. This is why they have construed their own science-like universe, known as Intelligent Design, and eagerly jump on every tidbit of information that seems to go their way.
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Chimpanzees have very strong preferences and aversions that are completely personality-linked. The people who are unsuccessful in working with chimpanzees are those who take this personally.
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I was born in Den Bosch, where the painter Hieronymus Bosch named himself after. And so I've always been very fond of this painter who lived and worked in the 15th century.
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I was too restless as a boy to sit through an entire mass. It was akin to aversion training. I looked at it like a puppet show with a totally predictable story line. The only aspect I really liked was the music.
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Human morality is unthinkable without empathy.
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To endow animals with human emotions has long been a scientific taboo. But if we do not, we risk missing something fundamental, about both animals and us.
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I've argued that many of what philosophers call moral sentiments can be seen in other species. In chimpanzees and other animals, you see examples of sympathy, empathy, reciprocity, a willingness to follow social rules. Dogs are a good example of a species that have and obey social rules; that's why we like them so much, even though they're large carnivores.
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When humans behave murderously, such as inflicting senseless slaughter of innocents in warfare, we like to blame it on some dark, 'animalistic' instinct.
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Dogmatists have one advantage: they are poor listeners.
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Science is not inherently good.
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Exclusive homosexuality is not very common in nature.
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Future benefits rarely figure in the minds of animals.
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Humans have a lot of pro-social tendencies.
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Our brains have been designed to blur the line between self and other. It is an ancient neural circuitry that marks every mammal, from mouse to elephant.
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I describe in 'Chimpanzee Politics' how the alpha male needs broad support to reach the top spot. He needs some close allies and he needs many group members to be on his side.
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War is evitable if conditions are such that the costs of making war are higher than the benefits.
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Popular culture bombards us with examples of animals being humanized for all sorts of purposes, ranging from education to entertainment to satire to propaganda. Walt Disney, for example, made us forget that Mickey is a mouse, and Donald a duck. George Orwell laid a cover of human societal ills over a population of livestock.
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Following rules is, of course, the reason the dog is man's best friend is because the dog follows rules, and they actually do experiments on that, is that how well certain breeds of dogs follow rules, and how much they internalize them. And so many hierarchical animals, obviously they follow rules.
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If there is any form of contagion that is adaptive, it is the immediate response to the fear of others. If others are fearful, there may be good reason for you to be fearful too.
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The intuitive connection children feel with animals can be a tremendous source of joy. The unconditional love received from pets, and the lack of artifice in the relationship, contrast sharply with the much trickier dealings with members of their own species.