Dear A Moment of Science, 亲爱的《科学一刻》， Im a parent of two young kids. 我有两个孩子。 Its challenging, but overall a very rewarding experience. 养育孩子颇具挑战性，但总体来讲，我也获益良多。 Yet I keep h...
Specifically, the study found that parents are happier when taking care of their kids than when doing other chores. 该研究还有一个特别发现：夫妻照顾孩子时比做家务时更快乐。 Dads especially seemed to find happiness and mean...
Sometimes a snack quiets your growling stomach. But sometimes you just feel like munching, even though you're not really hungry. 有时，吃点零食可以让咕咕叫的肚子安静下来。但有些时候，尽管你并不饿但还是想吃点东西...
But let's say you snack before you feel hungry again. 趁着还不饿，我们再来聊聊吃零食的情况吧。 What happens to your blood sugar then? 那么你的血糖会出现怎样的变化呢？ The French study found that if people snacked w...
In Shakespeare's day, wishing a pox on someone was a terrible curse. 在莎士比亚时代，希望别人得天花是非常恶毒的诅咒。 Ten percent of the population in 17th century London died gruesomely of smallpox, a virus spread easily by a...
About one in 200 people died from this procedure, but most became mildly sick, recovering in a few days. 预防接种的死亡率为两百分之一，不过大多数人会出现轻微不适，几天后即可恢复。 In the process, they gained immun...
When you open a container of yogurt, youll often see liquid collected on top. 当你打开一盒酸奶后会发现，上面漂浮着一层液体。 Some people mix it back into the yogurt, and others drain it off. What is it, and where does it come f...
As a result, the mixture is more acidic than before, and this higher acidity solidifies the casein proteins. 因此，混合物比之前更酸，高浓度的酸使酪蛋白凝固。 The whey proteins, on the other hand, dont solidify, and separate ou...
Kids learn to count on their fingers, because theyre so, well, handy! 小孩通过数手指学习算数，因为这种方法确实很方便。 And it makes sensemost number systems originally developed as people counted using their fingers. 那么，最...
Were so used to our base ten system that it may seem like the only possibility. 我们已经习惯用十进制计数，认为世上似乎只有这一种计数系统。 But the Greenlandic number system has a base of twenty, and others have a base of...
What makes science really fun is when you get to do things yourself, so today were going to be making moon craters. 科学真正有趣的时刻是当你亲身实践的时候，今天咱们来一起制作月球陨石坑吧！ Theyre the roundish blast...
Now have a young person drop rocks onto the moonscape. 现在，让一位年轻人往月球表面上扔石头。 When it hits, the energy of the falling rock is transferred to the powdery surface, and voila! Impact crater. 当石头撞击表面时，石...
Dear A Moment of Science, 亲爱的《科学一刻》： I know that humans and chimps share something like 98 percent of our DNA. 我知道人类和猩猩有许多相同之处，比如我们的DNA有98%是相同的。 But what does this really mean?...
In one experiment, chimps that were able to see some hidden food could realize that other chimps were not aware of the food and used that information against them. 一项实验发现，猩猩能够发现一些隐藏的食物，并且也发觉到其他猩...
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. 这是我们习以为常的事情：在室温状态下将冰块放入水中，几分钟后水会变凉...
