Did you know that infants prefer their mothers' voices to that of other females? And that they will change their behavior in order to solicit her voice? 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。他们还会为...
Real sugar has a high molecular density. 真正的糖分子密度高， In other words you can think of sugar molecules as being thickly packed together. 也就是说糖分子紧密地排列在一起。 This also means sugar molecules themselves will...
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, and without 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，...
There's also evidence that the functions located in the brain's frontal lobes may be the first to diminish with aging. 还有证明显示，大脑额叶功能可能是最先随着年龄增长而退化的。 This may explain why in a recent experiment...
Maybe when people get older, sense of a humor is the first thing to go. 也许，当人们年纪渐长，就越觉得幽默感至上。 Actually, research suggests that old folks, if they're healthy, can still appreciate humor as much as a younger pe...
So they can contract more slowly, but can keep going without burning themselves out. 所以，慢收缩肌肉纤维收缩更慢，但是持续时间更长。 Right, slow-twitch fibers have a lot of myoglobin, a protein that helps transfer oxygen into...
It's not fair! 真不公平! What's not fair? 什么不公平? I was rereading the Constitution of the United States. It says here that All people are created equal. 我又读了一遍《美国宪法》，上面写着：人人生而平等。 That's j...
Scientists would still have enough data to pinpoint where in the sky the transmission is coming from. 科学家们将有足够的数据来确定传输的信号来自太空的哪个位置。 And any slow changes in the broadcast frequency would reveal...
Suppose one day scientists pick up a transmission they think is generated by aliens. 假设有一天，科学家收到外星人发来的信号。 Now what? Do we build a landing strip and break out the welcome wagon? 我们该怎么办？我们要不要...
In severe cases an examining physician will be able to hold up a photograph of him or herself and, 在严重的情况下，检查的医生会拿着一张自己的照片， seated in front of the patient with facial agnosia, ask if they recognize this...
You wake up one morning to find a strange man standing in your kitchen. Worse than that he seems to have made himself completely at home. 当你早上醒来时，你发现自己的厨房里有个陌生人，更糟糕的是他还完全不拿自己当外...
As many expectant mothers know, a sudden car horn can start a etus kicking. 就如许多准妈妈知道的那样，突如其来的汽车喇叭声也能引起胎儿的踢动。 Not only can fetuses hear outside noises, they sometimes remember what the...
Did you ever do this when you were young: 你年轻的时候有没有这样做过呢? Dive to the bottom of a swimming pool with a friend,then have your friend yell a phrase into the water? 与朋友一起潜入游泳池底部，然后让你的朋友在...
The study, done by researchers at the University of Las Palmas de Gran Canaria and the University of Granada, 这份研究是由拉斯帕尔马斯大学与格拉纳达大学的研究人员合力完成的， followed nearly 9,000 participants for six...
According to data posted on McDonalds famous Golden Arches, the fast food giant has served billions of customers around the world. 据麦当劳著名金色拱门上的数据显示，该快餐业巨头已经为全球数十亿的顾客提供了服务。...
