他们一般喂食白鼠、田鼠和小鸡。
这是托尔曼的经典实验——训练白鼠走迷宫。
This is from a classic study by Tolman where rats were taught to run a maze.
他喜欢小白鼠。
小白鼠身上的试验已经被重复了很多次，并扩展到从酵母到果蝇、蠕虫、鱼、蜘蛛、老鼠和仓鼠等各种生物。
The rat findings have been replicated many times and extended to creatures ranging from yeast to fruit flies, worms, fish, spiders, mice and hamsters.
“我跟你说件事，小白鼠，”她说。
就像勒杜的白鼠，记忆消失了!
我们已经在大鼠和小白鼠之间进行了成功的试验。
就像大多数研究一样，他们也用小白鼠作为实验对象。
对小白鼠的研究比其它更复杂的动物更容易获得拨款。
It's easier to acquire grant money for studies on mice than for other, more complicated animals.
我们发现，HDAC抑制剂大大提高了小白鼠的学习能力。
We found that the HDAC inhibitors drastically improved the learning ability of our mouse model.
当超重的白鼠喂食鱼油后，其导致糖尿病的炎症水平下降。
When overweight mice were fed fish oils, their levels of inflammation-which can lead to diabetes-dropped.
在白鼠试验中，这些细胞清除了阿尔茨海默氏症在大脑中的残余。
In tests on mice, these cells removed deposits left by Alzheimer's in the brain.
一半的小白鼠注射GMCSF，而另一半则注射安慰剂生理盐水。
Half of the mice were injected with GMCSF, the other with a placebo saline solution.
否则你会在头版头条上看到由几乎不相关的白鼠实验得出的治疗方法。
Otherwise you get front-page headlines about cures for cancer based on small irrelevant studies on mice.
为了研究清楚，科学家们用一群缺乏瘦蛋白受体的小白鼠进行了实验。
To find out, scientists took mice that don’t respond to leptin because they lack the receptor to which it binds.
对小白鼠的实验显示，受到严格限制的均衡饮食能将寿命提高30%左右。
For a more general effect, experiments on rodents have shown that a severely restricted but balanced diet can increase their lifespan by about 30%.
研究人员用脂肪占60%总热量的食物喂养一组白鼠，全是雄性，从一岁开始。
The researchers fed one group of mice a diet in which 60 percent of calories came from fat.
然而，大脑中有大量门冬氨酸受体的白鼠在摄入少量酒精后，记忆力则会增强。
However, rats which did show high Numbers of NMDA receptors exhibited memory improvement when given small amounts of alcohol.
两个星期后，毒素杀死了白鼠脊髓内约百分之八十包含此基因的细胞。
Over about two weeks, the toxin killed about 80 percent of the cells that harbored that gene.
他将四种人体癌细胞移植到4组白鼠身上，然后对其施以奈伟拉平或同类药物。
He transplanted four kinds of human cancer into four groups of mice and treated some of each group with nevirapine or a similar drug.
小白鼠的青春期始于出生后大约60天，因此这段时期研究人员观察得尤为仔细。
Rats hit puberty when they are about 60 days old, so the researchers started watching them especially closely around that age.
拉特斯基是我给多年前从大学心理实验室带回家的一只小白鼠起的名字。
Ratsky is the name I gave a small white rat I took homefrom the college psychology lab many years ago.
最近的一项研究发现，经常食用代糖的小白鼠会有明显的体重增加现象。
A recent study found that regular consumption of Splenda by rats resulted in significant weight gain independent of diet.
但研究人员同时发现氨基酸阻止了葡萄糖的活动，使细胞保持活力，让小白鼠保持清醒。
But the researchers also found that amino acids stop the glucose action, keeping the cells active and the mice alert.
在那里，科学家已经成功操纵了小白鼠大脑中的骨形态发生蛋白(或称BMP)的水平。
There, scientists have been manipulating the levels of bone-morphogenetic protein or BMP in the brains of laboratory mice.
当小白鼠习惯于此、不去理会的时候，研究者将一个新的刺激与这个声音联系起来。
Once they became used to it and ignored it, another stimulus was linked to the tone.
据悉，这项技术已经在小白鼠身上取得成功，科学家认为两年内可以将其应用于人体试验。
The technique has worked in mice and now scientists believe they can begin human trials within two years.
这样的话，由于心脏衰竭是此种小白鼠死亡的主要原因，那么他们的生命长度就无法延长。
For that reason, since heart failure is the main cause of death in such mice, their lifespans were not extended.
Spadafora博士最近的研究显示，逆转录酶在白鼠胚胎发育中是必需的。
Dr Spadafora showed recently that reverse transcriptase is required for mouse embryos to develop.
Spadafora博士最近的研究显示，逆转录酶在白鼠胚胎发育中是必需的。
Dr Spadafora showed recently that reverse transcriptase is required for mouse embryos to develop.
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