Horseshoe crabs kept in the dark continuously for a year were found to maintain a persistent rhythm of brain activity that similarly adapts their eyes on a daily schedule for bright or for weak light.
人们发现，连续一年被关在黑暗的环境中的鲎仍然可以保持稳定的大脑活动节奏，这种稳定的节奏也使得它们的眼睛适应每日或明或暗的光线。
These alter the activity of three genes that control the growth of the eyeball and ensure light entering the eye is converted into electrical pulses in the retina.
这些变异改变了三个与眼睛相关基因的活动，这三个基因控制着眼球的生长，并且确保进入眼睛的光线在视网膜上被转换成电脉冲。
Acute coronary syndrome can describe chest pain you feel during a heart attack, or chest pain you feel while you're at rest or doing light physical activity (unstable angina).
急性冠脉综合征可以被描述为心脏病期间感受到的胸痛，或者在静息状态或者在做轻体力活动时感受到的胸痛(不稳定性心绞痛)。
Participants were asked how often they engaged in both light and intense physical activity during their leisure time. People were also asked how physically active they were at work.
接受测试人员者需回答他们在休闲时间参加轻、重体力活动的频繁程度，以及工作时的体力劳动强度。
As solar activity waned at the end of one of the Sun's 11-year cycles, the new data shows the amount of light and heat reaching the Earth rose rather than fell.
太阳活动的周期是11年。新数据表明，在一个周期末期太阳活动趋弱时，抵达地球的光与热的量增加而不是减少了。
Sensors constantly monitor temperature and humidity, as well as ambient light and activity near the device or farther away in the house.
恒温器上的传感器会不停监测温度、湿度、环境光以及设备周边和房间里远离设备的其它动静。
Ultraviolet light is strongly linked to solar activity: solar flares shine brightly in the ultraviolet, and it helps carry the explosive energy of the flares away into space.
紫外线与太阳活动有莫大的关系：太阳闪焰通过紫外线爆发，并携带闪焰的爆发性能量进入太空中。
She turned around again towards the light coming from the window. That light reminded her that there was activity out of her bed, out of her house.
她又翻了个身，面向透光的窗户。这光亮提醒她，走下她的床，走出她的屋子，她得干活。
These alter the activity of three genes that control the growth of the eyeball and ensure light entering the eye is converted into electrical pulses in the retina .
这三种基因控制眼球生长、确保眼部所见光线在视网膜转化为电脉冲。
End-of-day activity was light compared to recent sessions, said Nick Kaupp, a trader with Source Trading in Stamford, Conn.
SourceTrading的交易员尼克•考普(NickKaupp)说，与最近几个交易日相比，周一尾盘的活跃程度是比较轻的。
In the early 1900s scientists found that animals have circadian rhythms, too: they also are capable of maintaining a 24-hour-long activity pattern in the absence of external cues such as light.
在20世纪初，科学家们发现，动物也有昼夜节律：即使没有如光线之类的外部变化的提示，动物也能保持一个24小时的活动周期。
These alter the activity of three genes that control the growth of the eyeball and ensure light entering the eye is converted into electrical pulses in the retina。
这三种基因控制眼球生长、确保眼部所见光线在视网膜转化为电脉冲。
It turns out that if you imagine doing an activity, the same area of the brain will light up as if you are actually performing the activity.
结果表明如果你想象着做一些活动，大脑的同一区域会照亮，好像你确实在进行这个活动。
Although some would like to believe it was paranormal activity or an alien spaceship, the most likely answer to the cause of the mysterious light seems to be a Russian missile test gone wrong.
虽然有些人会愿意相信这是超自然的活动或外星人的太空船，最可能的答案，神秘的光线原因似乎是俄罗斯的导弹试验出了错。
The courtyard contributes much to the house and its occupants, it is an oasis that provides sun, light, ventilation, happiness, activity, visual stimulation, and entertainment.
庭院无论对于住宅本身还是业主都有着极其重要的作用，它是一个绿洲，提供阳光、光线、通风、活动、视觉享受和娱乐。
Office workers with more light exposure at the work place also tended to have better sleep quality, more physical activity and a better quality of life.
在办公地方能接触到更多光的办公室职员也倾向于会有更好的睡眠质量，有更多的体育活动，而且有更好的生活质量。
A new study reports that people who can sleep through anything show more frequent bursts of brain activity called sleep spindles than do their light-sleeping counterparts.
最近一项新的研究报到，熟睡的人比浅睡眠的人的大脑有更频繁的脑电活动爆发，即所谓睡眠纺锤波。
When it comes to olive oil however, it's best stored in a dark place in the pantry as light decreases the antioxidant activity in it.
然而如果是橄榄油，最好存放在食品柜的阴暗地方，因为光照会降低它的抗氧化活性。
Overall, for people who didn't exercise or already had type 2 diabetes, light physical activity (including standing) produced immediate improvements.
总体而言，那些不做运动的人们或已经患有2型糖尿病患者，轻体力活动(包括站立)会有直接的改进。
The electrodes measured activity in the nerves connecting photoreceptors - which detect different aspects of light - to the optic nerve, but not the brain.
电极用于测量连接光感受器与视神经之间的神经活动(光感受器可觉察光的不同方面)，但不测量与大脑之间的神经活动。
So by measuring the electrical activity of the brain it is possible to tell if people are attending to a flashing light.
所以，通过测量大脑的电活动水平，就可能辨别人们是否在对闪光注意。
The reflected light changes depending on whether the blood vessels at that point are oxygenated or depleted of oxygen, showing the level of brain activity.
反射光随着血管的氧合与去氧合状态的切换而改变，显示了大脑活动水平。
The sun's activity waxes and wanes on an 11-year cycle, and over this cycle the amount of ultraviolet light the sun emits changes a lot more than does the total amount of energy.
太阳活动的盛衰以11年为一个周期，在一个周期内，太阳放射的紫外线的变化幅度要比其放射的能量的变化幅度要大得多。
The sun's activity waxes and wanes on an 11-year cycle, and over this cycle the amount of ultraviolet light the sun emits changes a lot more than does the total amount of energy.
太阳活动的盛衰以11年为一个周期，在一个周期内，太阳放射的紫外线的变化幅度要比其放射的能量的变化幅度要大得多。
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