Did you ever hear the saying, its easier to get the Mississippi to change its course than get a stubborn child to change his mind? I guess whoever made this one up didnt know that the Mississippi actually does change its course about every thousand y...
Most of us have had the same experience. We see a big, red tomato in the grocery store, take it home for our salad, and find out that it tastes like cardboard. 大多数人都有过这样的经历，从商店里挑选出又大又红的番茄回去做沙...
Heres something we tend to take for granted: drop a few ice cubes into a glass of water at room temperature, and in a few minutes the water will cool. How does this work? 有件事情我们总觉得理所当然：室温下把一些冰块放入水中，...
Dear A Moment of Science, 亲爱的《科学一刻》栏目组： I know that humans and chimps share something like 98 percent of our DNA. But what does this really mean? At least on the surface, humans and chimps seem very different we live in hous...
If blood didnt circulate through our bodies, carrying oxygen and nutrients, we wouldnt be able to live. Blood is so important to life that the body constantly makes new blood. 如果血液不能在我们身体内循环，为人体输送氧气和营养，...
It should come as no surprise that the more stressed parents are at work, the greater the burden on their family. Its also probably not a surprise that this dynamic can negatively affect a familys nutrition. After all, the more time parents spend wor...
What makes science really fun is when you get to do things yourself, so today were going to be making moon craters. 科学真正变得有趣的时刻就是当你亲自实践的时候，那么今天，让我们来一起制作月球陨石坑吧！ They...
Kids learn to count on their fingers, because theyre so, well, handy! And it makes sensemost number systems originally developed as people counted using their fingers. 小孩通过数手指来学习计数，因为这样确实非常方便。由此，最...
The Mysterious Liquid In Yogurt酸奶中的神秘液体（双语） When you open a container of yogurt, youll often see liquid collected on top. Some people mix it back into the yogurt, and others drain it off. What is it, and where does it come fro...
The History Of Smallpox天花的历史（双语） In Shakespeares day, wishing a pox on someone was a terrible curse. Ten percent of the population in 17th century London died gruesomely of smallpox, a virus spread easily by airborne particles or co...
Why Does My Body Want To Snack?为什么我们想要吃零食? Sometimes a snack quiets your growling stomach. But sometimes you just feel like munching, even though youre not really hungry. French researchers recently found that this second type of...
Parents May Be Happier Than Childless Couples有孩子的夫妻家庭更幸福 Dear A Moment of Science, 亲爱的《科学一刻》栏目组， Im a parent of two young kids. Its challenging, but overall a very rewarding experience. Yet I keep heari...
For a Longer Life, Go Running 跑步有利于长寿 We all know that exercise is good for your health. But some kinds of exercise may be better than others. 我们都知道运动对健康有益。但有些运动可能比其它运动效果更好。 Ru...
Attaining Moral Perfection 获取完美品德 In the various enumerations of the moral virtues I had met with in my reading, I found the catalogue more or less numerous，as different writers included more or fewer ideas under the same name. I propos...
Love for Good Eating 热爱美食 At supper Johnson talked of good eating with uncommon satisfaction. Some people, said he, have a foolish way of not minding, or pretending not to mind, what they eat. For my part, I mind my belly very studiously, and...
