But what exactly is the moral relevance of empathy and altruism in non-human animals?
Possibly he was referring to the old paradox of our dual nature as human animals: part logical, part intuitive.
Oliveira brings a dry, sensual elegance to this tale of hearts confounded by circumstances and silences, and he portrays social formalities as mating rituals for human animals on the verge of brutality.
It's surprising to hear him talk this way, because researchers don't usually ascribe human emotions to animals.
It should be capable of sharing the water so that human beings, animals and plants all have enough.
And, although we usually think of a mummy as a human being, animals -- and even plants -- can be mummified.
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The argument is that, despite obvious differences between human and nonhuman animals, we share a capacity to suffer, and this means that they, like us, have interests.
Something wonderful was just over the horizon and every card-carrying human being had to have an informed opinion on all those things that distinguish human beings from animals.
For example, Greenpeace has led the discussion about what sustainability means in consumer electronics, PETA is driving the definition of human treatment of animals in the food industry and so on.
Allen McConnell, a psychology professor at Miami University in Ohio who studies pet owners' behavior, said those who opt for animal preservation can be motivated by grief, a need for belonging and anthropomorphism the act of ascribing human attributes to animals or even inanimate objects.
Experimental medicines are always thoroughly tested in animals before human tests begin, yet nine of 10 drugs that start human trials prove unsafe or ineffective.
Mr Singer's influence extends to the world beyond the ivory tower partly because he writes with such lucidity and quiet passion about genuinely pressing questions: the environment, the rich-poor divide, cruelty to animals, human suffering.
Chickens, hogs, cattle are raised as food animals and given drugs that the FDA approves of for human consumption, horses are raised as companion animals and medicated as pets such as dogs and cats.
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They then implanted the microelectrodes, each about a tenth the diameter of a human hair, into the animals' brains.
The most common method of producing antibodies has been to take non-human antibodies--from animals such as mice--and alter, or "humanize" them.
They had human bodies and heads of animals in the Chinese zodiac, and each would spout water for two hours in turn.
This welfarist position also assumes that it is all right to use animals to meet human ends as long as certain safeguards are employed.
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Unlike animals, the human being is not only a hunter and gatherer but a creative dreamer with the potential of unlocking all the hidden treasures implanted by God in our universe.
Whereas every dog lab now tests the cognition of its animals while their human owners are blindfolded or asked to face away, young children are still presented with cognitive tasks while sitting on their mothers' laps.
Both groups used ferrets as test subjects, as these animals closely mimic the human response to the flu.
The most extraordinary thing about walking with elephants, however, is that other wild animals are unfazed by human presence.
And, for the more pragmatic, the extent to which animals as non-human as nematodes can really be useful as medical models of humanity will also be established.
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In an in vivo model using severe combined immunodeficient mice, subcutaneous tumors were generated by inoculating the animals with cells from human non-small cell lung carcinoma cell lines.
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With "Maus, " Mr. Spiegelman found a subject, the Holocaust, which he famously described as "too profane to show directly, " hence his depiction of animals as opposed to human beings.
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Hauser was a popular professor known for his research and writing on the evolutionary underpinnings of morality and the traits that make the human mind distinct from those of animals.
"Findings on the genetics of a particular nematode worm may not be directly relevant to the complex process of ageing as it happens in higher animals such as the human, " the association added.
In 1986 London Greenpeace, a bunch of environmental activists (unconnected with the better-known Greenpeace), published a leaflet denouncing McDonald's, the hamburger chain, as a hazard to human health, a killer of animals, a destroyer of the environment and a mean employer.
Steroids occur naturally in humans, plants and animals and are essential to human physiology and development.
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The first two drugs failed in animals and in early stage human trials.
Or what if the transgenic animals somehow got into the human food chain?
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