绒猴：绒猴是南美的一种小型猴。
与之相反，雄绒猴是父性奉献的典型。
Marmoset fathers on the other hand are a model of paternal devotion.
绒猴：绒猴是南美的一种小型猴。
如同人类，绒猴患病后的20天内将会死亡。
Like humans, marmosets that die from the disease do so within 20 days of becoming ill.
科学家最近已成功把常见的绒猴作为新的供拉沙热研究的动物模型。
Scientists have developed the common marmoset monkey as a new animal model for Lassa fever research.
因此，人类和绒猴在养育子女期间，他们大脑中的同一部位表现活跃。
Thus the same brain region is active in parenting in both species.
拉沙热同样可以导致严重的免疫系统抑制，这也是现今对绒猴疫苗研究的一个方向。
Lassa fever also causes a marked suppression of the immune system, an aspect of the disease that the researchers are tracking with the current marmoset vaccine study.
使用绒猴的一个优点就是此动物对拉沙病毒感染后的反应完全与人类对该病毒的反应类似。
An advantage of using marmosets is that the animal's response to Lassa infection completely mimics the response found in people who develop symptoms.
由于树突棘是领近神经细胞之间相接触的地方，因此树突棘数量的增多可能意味着父绒猴大脑内的活动比非父绒猴的要多。
Because dendritic spines are the sites of connection between neighbouring nerve cells, the increased number may mean more activity in the fathers' brains than in those of the non-fathers.
“这是关于先天和后天的老问题了，”当我们在考察稀有物种绒猴的时候，她回答道：“这样说吧，自然不是正在把我们推向一个方向，它只是在推。”
"That's the old question of nature versus nurture," she replied, as we surveyed a rare breed of tamarin. "Look at it this way: nature is not pushing us in a particular direction; it's just pushing."
父绒猴前额叶皮层的神经细胞也包含更多的后叶加压素受体（receptors for vasopressin），是一种较小的/短肽（peptide）分子，对社交行为和配偶间关系有影响。
The nerve cells in the prefrontal cortex of the fathers also contained more receptors for vasopressin, a small peptide that influences social behaviour and pair-bonding.
于是，小鸡绒绒领了橙色的袋子、小猪胖胖领了绿色的袋子、小狗汪汪和小猴聪聪分别领了蓝色和红色的袋子，开始认真地组装起来。
So Chicken Rongrong takes the orange bag. Piggy Pangpang takes the green. Puppy Wangwang and Monkey Congcong each take the blue one and the red one. They begin to assemble them carefully.
可是很快，小猴聪聪发现自己组装的玩具也是四不像。连小鸡绒绒和小猪胖胖的也是。是哪里出了问题呢？
But soon Monkey Congcong finds his isn't like anything, either. Neither are Chicken Rongrong's and Piggy Pangpang's. What's the problem?
可是很快，小猴聪聪发现自己组装的玩具也是四不像。连小鸡绒绒和小猪胖胖的也是。是哪里出了问题呢？
But soon Monkey Congcong finds his isn't like anything, either. Neither are Chicken Rongrong's and Piggy Pangpang's. What's the problem?
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