The scientists added, "Horses trained without reinforcement expressed four to six times more 'negative' behaviors, such as biting, kicking and 'falling down' on the experimenter."
科学家们补充说，“没有经过强化训练的马会表现出4到6倍多的‘消极’行为，如咬，踢和‘对实验者大发脾气’。”
Mice with a rodent equivalent of the disease showed a 50 per cent reduction in levels of amyloid protein in their brains after the scientists added caffeine to their drinking water.
把疾病基因移植到鼠类身上，科学家发现当把咖啡因注入到老鼠饮用的水中，这些老鼠脑内的淀粉状蛋白指数会减少50%。
Several years ago, human genes were added to a mouse to create a model of Down's syndrome for scientists to study how the disease evolves, which could lead to potential treatments.
几年前，人类的基因曾被添加到老鼠身上，以创建唐氏症模型，让科学家研究这种疾病如何演化，这可能带来有潜力的治疗方法。
Some scientists have even proposed using such GPS disturbances to track tsunamis in the open sea, Okal added.
一些科学家甚至提出，可以用这种GPS的扰动来追踪海啸在开阔海面上的传播。
To forecast an event like that, scientists need to be able to quantify all the variables involved and also develop a very precise model of the land surface, added Stott.
斯托特接着说，要预报这样的气候事件，科学家需要能够量化它涉及到的所有变量，还要开发非常精确的土地表面模型。
Besides monitoring the eagles carefully, there is little scientists can do to protect the birds, Sharpe added.
除了仔细监测白头海雕的动态之外，在保护白头海雕这一点上，科学家能做的很少，夏普说。
Scientists need to create better sensors to detect alpha waves and better ways to identify the brain's signals (it's language), he added.
他补充说，科学家需要创造更好的传感器来检测a波和更好的方法来分析大脑信号(脑语言)。
The scientists then added powdered magnetite, an iron oxide present on Mars, to the flasks.
科学家接着又往烧瓶内加入粉末状磁铁矿和火星上现有的一种氧化铁。
Editor's Note: we asked several scientists from various fields what they thought were the greatest mysteries today, and then we added a few that were on our minds, too.
编辑寄语：我们问过来自各种不同领域的几个科学家们有关他们认为当今最大的谜题是什么，然后，我们也加入了一些我们自己觉得的谜题。
"Equid social relationships are long-lasting and, in some cases, lifelong," added the scientists, whose paper has been accepted for publication in the journal Animal Behavior.
“马科动物的社会关系是长期持久的，在某些情况下，是终生的。”科学家们补充说，他们的论文已被《动物行为》杂志所收录。
Moreover, two Hungarian computer scientists have recently added an elegant twist that allows the algorithm to focus on the most promising moves without sacrificing speed.
此外，两名匈牙利计算机科学家最近又向其中增加了一种一流的手法使得该运算法则能够在不损耗速度的前提下集中关注最可能的棋路。
The recent discovery of the geysers on Enceladus added a second twist, making planetary scientists wonder if there are even more such hot spots scattered around the solar system.
行星科学家们现在怀疑是不是还有更多这样的“热点”分布在太阳系里。
American scientists have added new research to the growing body of evidence on why pregnant women should not smoke-showing it can reduce their babys lung capacity.
越来越多的证据阐明孕了妇不应吸烟的原因，美国科学家对此问题又进行了一项新的研究证明，孕妇吸烟降低婴儿肺活量。
He added that if some saliva is found around the butt of a cigarette, scientists could use the technique to tell if the saliva is from a person in their 20's or their 70's.
他还表示，若是在烟头附近发现唾液，科学家可以利用这项技术推算唾液是来自20多岁还是70多岁的人。
So for the first time, scientists have a treatment target in patients with RP, added Campochiaro.
因此科学家们对患有色素性视网膜炎病人在第一时间内有一个治疗靶。
So for the first time, scientists have a treatment target in patients with RP, added Campochiaro.
因此科学家们对患有色素性视网膜炎病人在第一时间内有一个治疗靶。
应用推荐