Most of us are familiar with calluses. 对于老茧，我们都很熟悉。 These extra-tough patches of skin are generally quite useful-wemight even say handy, 这些皮肤上突出的硬皮是很有用的，也可以说是方便， because they act...
Here's an at-home experiment you can try. 你可以在家做这样的实验。 Take a can of classic Coca-Cola and a can of Diet Coke, andwithout opening either one submerge them in water. 把没打开过的两听可乐放在深槽或者高桶中，...
Anyone who reads gothic fiction will tell you that vampires arebad news. 读过哥特小说的人都会说吸血蝙蝠是个讨厌的东西。 People who read modern medical journals, however,might disagree-in fact, they think vampires just might hel...
Sit on a swing, let someone push you, and away you go. 坐上秋千，身后一人使劲一推，你便飞了出去，翱翔半空。 But what happens if the person who pushed you walks away, and you want to swing faster and higher. 但要是再身后推...
If you've ever had a migraine headache, you don't need me to tell you it hurts. 如果你曾经有过偏头痛的经历，就不需要我告诉你那有多痛苦。 Doctors report that about twenty million people suffer from serious headaches, and te...
If you're planning a trip to Greece in the future, you'll want toschedule a visit to the temple of Apollo at Delphi. 如果有一天，你打算去希腊旅游，你可能会将特尔斐的阿波罗神庙列入行程单。 This famoustemple was the h...
Did you know that infants prefer their mothers'voices to that of other females? 你知道吗？比起其他女性的声音，胎儿更喜欢自己妈妈的声音。 And that they will change their behavior inorder to solicit her voice? 他们还会为了...
I get contact lenses to replace my glasses and it's like I'm seeing the world through new eyes. 终于摆脱框架眼镜了，从隐形眼镜看世界，感觉是全新的！ It's miraculous! 真是太神奇了！ Acutlly, there is nothing miraculous...
One common explanation of social monogamy is that it's a result of females choosing mates based on the male's ability to provide for his off spring and protect them from being killed by hostile males or by predators. 雌性动物需要一个能养育后...
Wow! What a beautiful sunset. 哇！多么美丽的夕阳啊！ Enjoy it while it lasts, the sun won't be around forever, you know. 尽情欣赏吧，太阳不会永远存在的。 You mean, one day the sun will disappear? 你的意思是，有朝一日...
You know, radio is a great thing. 要知道，收音机是伟大的发明。 Here I am! Flying high abovethe earth, but my voice is coming across just as if I were sitting in front of you. 现在，我在演播厅，可是，我的声音让你觉得我...
You know how eye contact is a pretty important component ofinteracting with people,right? 我们都知道在与人交流时目光交流很重要。 So scientists recently tested thisby measuring people's brain activity as they responded topictures of...
Dear A Moment of Science, I know that around 250 millionyears ago the Earth was a lot hotter than it is today. 亲爱的科学一刻，我知道大约在2.5亿年前，地球要比今天热的多的多。 So I'mwondering what that meant, exactly? 所以...
You know, when I watch futuristic sci-fi movies, I noticeeveryone has a normal aging pattern. 我看未来派科幻电影的时候，发觉里面的人物年龄都是很正常的，就像我们普通人一样，活不了特别长。 You don't encount...
Yael, when you experience something new, do you knowwhat happens to your brain? 你知道当你碰到新的东西的时候，你的大脑会发生什么吗？ Some of the neurons in your brain build new connections. 大脑中的神经元会建立起新...
