Q: Why do we blink our eyes?A: When blinking, our eyes supply themselves with oil and tears.In the rims (边缘) of our eyelids, there are between 20 and 30 invisible oil-producing glands (腺体) between ……

Q: Why do we blink?A: In reality, the "blink of an eye" lasts only a 10th of a second, but that's all the time we need to clear away dust particles and spread lubricating fluids across the eyeball ……

This is a robot giraffe. It walks and blinks(眨眼). It can carry five kids around. ……

The average human blinks (眨眼) about 25,000 times a day. ……

to describe it," he said. "By creating a tool that can perform these kinds of analyses, we expand... or delight, schizophrenics do so randomly.Such insights could lead to early intervention for at-risk ……

to Live Science. But we never notice that anything is missing when we blink. Why is that?We don’t miss...为什么眨眼不会错过瞬间？There’s a saying that goes, “Blink (眨眼) and you’ll miss it.” But we don’t actually miss ……

各种各样的机器人(下)各种各样的机器人(下)Multitask 多任务Multitask 多任务Do I look like a dog? I am Spot from the US. I can do many things. I can climb stairs, walk on rough1 land and carry heavy things. With my robotic arm ……

we suggest is that when you start to mind-wander, you basically close your eyelid (眼皮) so... reading or whether their minds were wandering. The volunteers were found to blink more when they weren ……

.“What we suggest is that when you start to mind-wander, you basically close your eyelids so... to what they were reading or whether their minds were wandering.The volunteers were found to blink more ……

, pick things up, and even tell when other objects feel her skin. She can do simple things for old ……

IF your search for information on the Web starts and ends with Google, Yahoo or MSN, you're missing out. Try using specialized search engines for images, music, video and blogs. ImagesGoogle has an "images" search engine, but the vast majority of multimedia files available on the Web are stored on sites to which Google has limited or no access. ……

Why do people yawn?Why do people yawn?Q: Why do peopleyawn(打哈欠)?A: A yawn isdefined(定义) as "To open...或厌倦)." As to why we yawn, no one is really sure. Many scientists think that it is the body's way ……

中国为何坚持动态清零？中国为何坚持动态清零？China is sticking with its dynamic zero-COVID policy. Why do we do that?     PAGE 2China is sticking with its dynamic zero-COVID policy. Why do we do that?   ……

Four. babies. ……

Like cameras, our eyes can change focus (聚焦) on things that are nearby and far away. However, our eyes can’t zoom in (放大) on distant objects. So, what if our eyes could?In August, researchers at University of California, San Diego, in US, have developed a soft contact lens (隐形眼镜), which can be controlled by a user’s eye movements. ……