Fact: liquid water is heavier than air. Fact: clouds, which consist of water droplets and ice crystals, seem to hover in the air. One final fact: the water droplets in a typical cloud together weigh many tons. Which raises a question: how do clouds s

发表于:2019-01-22 / 阅读(167) / 评论(0) 分类 英语时差8,16

Technophobia What? Technophobe: Someone who does not like, trust, or want to use technology, especially computers. (Macmillan English Dictionary)Technophobia is not a new term and technophobes have existed since the Industrial Revolution and probably

发表于:2019-01-22 / 阅读(217) / 评论(0) 分类 英语时差8,16

It's time once again for the Moment of Science Pop Quiz. Ready? Here goes. Do birds have teeth? Sure, you can laugh, but what's the answer? No? Maybe? Have you ever looked? In fact, the correct answer is: not any more. Some modern day birds have ridg

发表于:2019-02-15 / 阅读(50) / 评论(0) 分类 英语时差8,16

Is it feed a fever, starve a cold? or vice versa. Yael and Don try to clear that up on this Moment of Science. Y: Don, have you heard the saying, feed a fever, starve a cold? D: Sure. But, it's starve a fever, feed a cold. Why? Are you sick? Y: No. S

发表于:2019-02-15 / 阅读(70) / 评论(0) 分类 英语时差8,16

People who think about language talk about how the sounds of words bear no relation to objects in the world. Indeed, this has been a leading assumption in much of modern literary criticism, philosophy, and even linguistics. Not necessarily so, says B

发表于:2019-02-15 / 阅读(54) / 评论(0) 分类 英语时差8,16

Have you even wondered why you can hear FM radio signals in a tunnel longer than AM? Take a ride with Don and Ya?l to find out why. D: What a great day for a drive! How do you like my new Ferarri? Y: Very fancy. D: Best of all, the radio works, so we

发表于:2019-02-15 / 阅读(60) / 评论(0) 分类 英语时差8,16

Don: Ya?l, I was reading this mystery novel last night, and in it this guy goes missing and then--lo and behold--a week later they find his body floating in a nearby lake. I don't get it--I have a hard enough time staying afloat for ten minutes, and

发表于:2019-02-15 / 阅读(62) / 评论(0) 分类 英语时差8,16

Don: Yael, every day I grow closer to my goal of mind control. Yael: What do you mean, Don? D: Check out this study from Ohio State University that says nodding your head to signal approval and shaking your head to signal disapproval not only lets ot

发表于:2019-02-15 / 阅读(50) / 评论(0) 分类 英语时差8,16

Mike: Hey Amanda! Happy Friday! What are your plans for the weekend? Amanda: Oh, a bunch of my friends and I are going to check out the new amusement park that just opened up. Want to come? Mike: Sure, that sounds like fun. I love amusement parks. Wh

发表于:2019-02-15 / 阅读(65) / 评论(0) 分类 英语时差8,16

Imagine not being able to recognize faces. You could see faces, but you'd be entirely unable to distinguish one face from another. All faces would look more or less the same--an amorphous assemblage of eyes, ears, noses, lips, and chins. To put it mi

发表于:2019-02-15 / 阅读(54) / 评论(0) 分类 英语时差8,16

Another What You Didn't Know segment of A Moment of Science. Don: Time once again for What You Didn't Know. This is the segment where I give Yael a science fact that everybody thinks they know already, then wow her with the follow-up. Ready? Yael: Re

发表于:2019-02-15 / 阅读(54) / 评论(0) 分类 英语时差8,16

One of the most amazing phases in childhood development is when infants go from making baby sounds to actually saying words. Before you know it, your infant becomes a toddler and starts stringing words together into sentences. Sometimes, however, suc

发表于:2019-02-15 / 阅读(49) / 评论(0) 分类 英语时差8,16

To really behold the stars these days, you have to travel far from cities and towns to escape urban glow. The magnificent sight of the Milky Way, for example, can now only be seen in rural areas. But why do we shine light up into the sky in the first

发表于:2019-02-15 / 阅读(56) / 评论(0) 分类 英语时差8,16

A kayaker fought off an 8-foot great white shark with her paddle last month after it knocked her off the craft at one of Australia's most popular beaches. Linda Whitehurst, 52, was paddling her sea kayak near the eastern resort town of Byron Bay, abo

发表于:2019-02-15 / 阅读(45) / 评论(0) 分类 英语时差8,16

Is lip balm addictive? That's the question Yael and Don discuss on this Moment of Science. Y: I am a lip balm addict. Sometimes I catch myself applying some of this stuff just ten minutes or so after applying it the last time. I don't even know I'm d

发表于:2019-02-15 / 阅读(79) / 评论(0) 分类 英语时差8,16

Taiwanese people's English ability ranked 17th among the 20 countries with the most test-takers, according to statistics taken from 2006 test scores on the IELTS (International English Language Testing System). The average IELTS score in Taiwan lags

发表于:2019-02-15 / 阅读(41) / 评论(0) 分类 英语时差8,16

The next time someone asks you how tall you are, keep in mind that your answer might depend on the time of day. You see, in the morning, when you wake up, you're taller than at night, when you go to bed. How can this be? Well, the spine is made of tw

发表于:2019-02-15 / 阅读(62) / 评论(0) 分类 英语时差8,16

Don: [LAUGHING] And then, see, Moe pokes Curly right in the eye with a pool cue! Hilarious! Yael: [NOT LAUGHING] Sure. I guess. D: What? You don't like the Three Stooges?!? Y: To be honest, Don, not really. D: C'mon, Yael. What could be funnier than

发表于:2019-02-15 / 阅读(52) / 评论(0) 分类 英语时差8,16

Researchers in Germany say that a cancer-fighting substance found in hops could be enhanced to brew a special anti-cancer beer. The discovery could lead to healthier beers and food supplements. The result could one day be that when you hold up a glas

发表于:2019-02-23 / 阅读(50) / 评论(0) 分类 英语时差8,16

How big a stick would you need to measure the planet? A thousand miles long? A million? How about three feet? That ought to be enough to do it, as an ancient Alexandrian man named Eratosthenes figured out. Eratosthenes was a multi-talented man who li

发表于:2019-02-23 / 阅读(64) / 评论(0) 分类 英语时差8,16