The reason is that computers exist for humans, not humans for computers.
这个原因是计算机为人而存在，反之不然。
Lab rats are not humans, and not every brain, rodent or homo sapien, is wired the same.
实验鼠不是人类，啮齿动物和人类的大脑的组成是不一样的。
Obviously, mice are not humans and we know it will be much more complex to rejuvenate a person.
显然，老鼠与人类不同，我们知道让一个人重返年轻要复杂得多。
Studies have shown that a reduction in caloric intake can increase life expectancy in animals-why not humans?
大量研究表明，减少热量的摄入可以增加动物的寿命——人类又何尝不是呢？
While this research was conducted in rats, not humans, Abou-Donia said his findings are still very applicable to Splenda users.
阿布，马其顿的调查结果说，虽然这项研究对象是小白鼠，而不是人类，但他仍然非常适用于广大代糖的食用者。
Three years ago he made the first viable synthetic virus from off-the-shelf chemicals. (it is a parasite of bacteria, not humans.) Now he has a bacterial genome in his sights.
三年前他第一个用常规的化学药品合成了活性病毒(一种寄生在细菌而不是人类的病毒)。现在他细菌的基因组进入了他的视线。
"This is a study of mice, not humans, so it will require additional research," he emphasized, "but there are a number of groups actively investigating radiation-induced pulmonary toxicities."
他还强调：“由于这是小鼠研究，而不是人体研究，所以需要进一步探索。”现在已经有很多科研小组正在积极研究辐射诱导的肺中毒。
I argue that humans are information consumers, and it takes effort not to absorb information.
我认为人类是信息的消费者，不去吸收信息需要努力才能做到。
Still, Krech attributes secondary if not primary responsibility for the extinctions to the Paleoindians, arguing that humans have produced local extinctions elsewhere.
克雷奇仍然认为古印度安人在灭绝上的责任即使不是主要的，也是次要的，他认为人类在其他地方造成了当地物种灭绝。
Sad as the scene was, the humans, not Gana, were the only ones crying.
尽管场面很悲伤，但哭泣的只有人类，而不是加纳。
"Why would you ever want to clone humans," Westhusin asks, "when we're not even close to getting it worked out in animals yet?"
“为什么你想要克隆人类，”威斯苏森问道，“而我们甚至还没有成功克隆动物呢？”
The defining term of intelligence in humans still seems to be the IQ score, even though IQ tests are not given as they used to be.
定义人类智力的术语似乎仍然是IQ分数，尽管 IQ测试的过程已经和过去不同。
"Humans should not try to avoid stress any more than they would shun food, love or exercise," said Dr. Hans Selye, the first physician to document the effects of stress on the body.
汉斯·塞尔耶是第一个记录压力对身体影响的医生，他说：“人们不应该试图逃避压力，就像他们不逃避食物、爱或锻炼。”
The team identified 39 of these traditions that are practiced by some communities but not others. This is a pattern that, at the time, hadn't been seen in any animal except humans.
该研究小组找出了39个传统行为，一些群体有这些行为，但另一个群体却没有。当时，这种模式只存在于人类之中。
He went on, "The enzyme is not harmful to humans or animals, and it is friendly to the environment."
他接着说，“这种酶对人类和动物没有伤害，而且对环境是友好的。”
There is a suggestion that ragwort honey might not be safe for humans, but there is no indication that this made the timing of the proliferation particularly unfortunate.
有一种说法是，泽菊蜜可能对人体不安全，但目前没有迹象表明，这使得繁殖的时机把握得特别不幸。
This is not because God created them to poke fun at us; it is because humans and chimps are descended from the same relatively recent primitive ape.
这并不是因为上帝创造它们来嘲笑我们；而是因为人类和黑猩猩都是同一个比较近期的原始猿人的后裔。
However, according to Doctor Clark, who has studied the behavior of sharks for twelve years, humans are not normally on the shark's menu.
然而，据研究了12年鲨鱼行为的克拉克博士说，人类通常不在鲨鱼的菜单上。
The error here is far too deep: not only do humans need nature for themselves, but the very idea that humanity and the natural world are separable things is profoundly damaging.
这错误太离谱了：人类不仅需要自然，而且认为人与自然世界是可分离的这一观念本身就具有强大的破坏性。
There is, I think, much truth in Patricia's observation that "lecturing is an unnatural act, an act for which God did not design humans".
帕特里夏说“讲课是一种非自然的行为，这种行为不是上帝设计给人类的”，我认为她的观察很有道理。
Now, most diabetics take human insulin made, not made in humans, but made in micro-organisms that are growing in a manufacturing facility.
现在，大多数糖尿病患者服用的是人类制造的胰岛素，不是在人体内制造的，而是在生产设备中生长的微生物中制造的。
For humans, hearing a sudden loud noise might prove frightening, but it does not induce mass fatality.
对于人类来说，听到突然的巨响可能会令人恐惧，但它不会导致大规模死亡。
On the other hand, this is not to say money and effort shouldn‘t be spent on humans.
另一方面，这并不是说金钱和努力不应该花在人类身上。
From earliest childhood, we are so bound up with our system of numeration that it is a feat of imagination to consider the problems faced by early humans, who had not yet developed this facility.
从幼年初期时起，我们就与我们的计数系统紧密联系在一起，以至于考虑未开发计数能力的早期人类所面临的那些问题，就已经成为了想象力上的一次壮举。
Many people behave as if humans are the master of nature, but it is not the truth.
许多人表现得好像人类是大自然的主人，但事实并非如此。
By demonstrating their common sense, they've shown that the divide between cats and humans may not be that great after all.
通过展示它们的常识，它们已经证明了猫和人之间的区别可能并不是那么大。
But by demonstrating their common sense, they've shown that the divide between cats and humans may not be that great after all.
但通过展示它们的常识，这些猫已经证明了猫和人之间的区别可能并不是那么大。
That means people can practice table tennis not only with humans but also with a robot.
这意味着人们不仅可以和人一起练习乒乓球，还可以和机器人一起练习。
Humans should not trust robots.
人类不应该相信机器人。
Humans can not make progress without dreams.
没有梦想，人类就不能进步。
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