We can talk and talk about evolutionarymodels, but in our experience, getting your hands dirty may be the best way to learn.
我们能不断谈论演化模型,但是根据我们的经验,自己动手是最好的学习方法。
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Evolutionary biologists have developed models to show how this might work, but it is only now that neuroscientists are catching the first glimpses of how altruistic behaviour happens in the brain.