From federal investigations into Major League Baseball to allegations ofsubstance abuse in track and field, performance enhancing drugs have been in the news a lot. 从对美国职业棒球大联盟药物滥用指控的联邦调查来看，服用兴奋...
From federal investigations into Major League Baseball to allegations ofsubstance abuse in track and field, performance enhancing drugs have been in the news a lot. 从对美国职业棒球大联盟药物滥用指控的联邦调查来看，服用兴奋...
It's well known that if you're going to eat chocolate, dark chocolate is the way to go. 众所周知，如果要吃巧克力，黑巧克力是上佳之选。 There's lots of evidence that dark chocolate is good for you, but until pretty recently, sci...
Scientists have been debating this question for a long time. 科学家们围绕这个问题已经争论了很长的时间。 Some believed that snakes evolved on land,and that their ancestors were small,burrowing lizards. 一些科学家认为蛇从陆...
Sorry, I'm late.I was brushing my teeth. 对不起，我迟到了。我刚刚刷牙去了！ Brushing your teeth! Right before A Moment of Science?Why? 刷牙！就在节目开始前！为什么啊？ I'm trying to get rid of a cavity. 防止蛀牙啊！...
On a previous show we mentioned how not all shooting stars have the same speed. 前面的文章中我们提到为什么不是所有流星都有相同的速度。 Some disappear almost immediately, while others make a nice slow line across the sky. 有些...
Nuts, botanically speaking, are made up of both the seed itself and a hard outer layer that is the fruit, which does not split open when ripe. 从植物学角度上讲，坚果是由坚硬果皮和内含种子组成的果实。成熟时外壳也不会开...
There's nothing that sends the stomach up into the throatquite as effectively as a sudden, unexpected loud noise at close range. 胃气上行至喉咙最明显的表现就是从喉咙附近发出一声大响，很突然，让人猝不及防 Counted i...
We've heard it a hundred times before. There's never anything to watch ontelevision. 我们已经听过很多次了，没有什么好看的电视节目。 Fifty channels and not one worth sitting down to. 50个频道却没有一个值得看。 Well,P...
Our lifelong food preferences are largely shaped by the foods we're exposed to earlyon in childhood. 我们一生的食物偏好大多数取决于在童年时期接触到的食物。 This process begins before we even taste solid foods. 在我们接触...
I bet that the last time you went to the beach, the wind was blowing in off the water. 我敢打赌，你最后一次去海滩的时候，海风正从水面吹来。 Maybe it was just a pleasant breeze, maybe something a little stronger. 或许是令人...
Everybody loves the swimming pool. 每个人都喜欢游泳池。 But how clean is the water in the averagebackyard or public pool? 但是在一般的后院和游泳池的水有多清洁呢？ If you trust chlorine to take care of germs, you're in fo...
It's two in the morning, and like most people you're fast asleep. 已经是凌晨两点钟了，就像其他人一样你正在睡梦当中。 But then your eyespop open and your three year old is standing there,tugging her ear and saying, Mommy, my e...
It induces euphoria, and excites the sexual regions of the brain. 它能引起快感，刺激大脑的性区域， It is quite possibly hallucinogenic. 引起幻觉。 It leads to strange, unpredictable, and unproductive behavior in those who use it....
Sure, you think the world is full of solid objects. 世界充满了固体物质，你可能对此深信不疑。 You think theradio you're listening to is solid. 你会以为，你正在听的收音机是固体的； You think the floor you'restandin...
