【英语时差8,16】了解暖水瓶的工作原理-上

These days kids have styrofoam to keep soup hot. But back in the day, there were thermoses. One of their drawbacks was that since their insides were made of glass they were pretty easily broken when dropped. The popping sound they made when they brok

【英语时差8,16】夜生活之：去夜总会跳舞 -下

I'm John, the manager of Fat Cats in Wrexham. Massive decline on the last year. Say midweek is nothing compared to what it used to be. Andrea: So there has been a massive decline. In fact, John says that the number of people coming to the club is not

【英语时差8,16】不怕火的猩猩-下

They believe that their first step to controlling fire was the ability to understand and predict its behavior. Later on, hominids learned to contain the fire by adding fuel or extinguishing it. In a final step, they learned how to create fire. Resear

【英语时差8,16】防火气球-上

Wanna see a trick? Sure. Here, blow up this balloon. Ok, now what? Now, I light this candle. Now what do you think will happen if I put the flame under the balloon? Itll pop, of course. The flame will heat the rubber to the point where it becomes wea

【英语时差8,16】防火气球-下

No, trust me, the balloon wont pop! It better not. see? Wow!you are right. How come it not poping? As long as the flame is beneath the water in the balloon, the water absorbs most of the heat and the rubber doesnt get very hot. But won't the water ev

【英语时差8,16】严肃的会议-上

Diarmuid: Hello everybody and welcome to another edition of Authentic Real English with me, Diarmuid. (Pause) Diarmuid: Actually, I'm very sorry listeners. This is a little bit embarrassing. My copresenter Jean hasn't arrived to record the programme

【英语时差8,16】好事儿-下

A: I just found out I've passed all my exams! B: Result! A: I know. I'm so happy! A: Guess what. That cute guy I like just asked me out for a date. B: Really? Result! When are you going out? A: Friday. We're going to the cinema. Jean: I wonder where

【英语时差8,16】南北两极-下

By calculating how old the rocks are where we find these ancient compasses, we can figure out how long ago the magnetized parts were locked in. That tells us which direction was magnetic north tens of thousands of years ago. Surprisingly, its not alw

【英语时差8,16】老人喜欢笑话吗？

Research suggests that old folks, if theyre healthy, can still appreciate humor as much as a younger person can. They still smile and laugh when they get the joke. However, there is evidence to suggest that with age we may lose our ability to compreh

【英语时差8,16】重见叛舰嗜血记

Memorialised in two Hollywood films as well as novels and poems, the mutiny on the Bounty unfolded in 1789 when William Bligh, the captain of a British Royal Navy ship was cast adrift in the South Pacific by his rebellious crew. Accompanied by 18 men

【英语时差8,16】互联网在生活中的角色-下

It's really essential to the way we live because the world is quite fast moving now, everyone wants to have information at their fingertips and they can do that with the internet. Yang Li: Thats Nikhil. He said that the internet is essential to the w

【英语时差8,16】严肃的会议-下

Diarmuid: It's an interesting phrase, pow wow. I wonder where it comes from. It doesn't sound English. Jean: No. It's not originally an English word. Diarmuid: So where does the phrase pow wow come from? Jean: It's a Native American word. Diarmuid: S

【英语时差8,16】失忆症

When we remember something, the neurons in our brains communicate with each other in a particular way. The chemical and sometimes even structural changes that occur create a pathway called a memory trace. Signals traveling along these traces are what

【英语时差8,16】威福顿坡

John: By listening to On the Town you'll find plenty of ways to enjoy the towns and cities of Britain, but what happens when you are tired out by city life, when you are exhausted from all the sightseeing and days out? Chen Li: I don't know. John: We

【英语时差8,16】打喷嚏-上

The signs are unmistakable: the eyes water, the chest heaves, the nose twitches, the body tenses, suspense builds until finally a sneeze blasts forth, concluding the drama. Its a momentarily paralyzing experience that can seize one at almost any time

【英语时差8,16】打喷嚏-下

Once stimulated, these muscles go to work and cause us to forcefully expel air from the mouth and nose. Or, in other words, we sneeze. Because the nose lining tends to swell when we lie down, making it even more sensitive to sneeze-causing particles,

【英语时差8,16】蒙娜丽莎的微笑-下

The area around the fovea is better at detecting motion, shadows, and stark, black and white contrasts. When we look at a persons face, according to Livingstone, we usually focus centrally on the eyes. Gazing at Mona Lisas eyes, our less accurate per

【英语时差8,16】泥土的味道

A lot of people love that fresh-dirt smell. The surprising thing, though, is that it isnt coming from the dirt itself. Microbiologists have traced the pleasant odor to an organic chemical called geosmin. A microbial geneticist named Keith Chater at t

【英语时差8，16】谈谈去海边

Mike: We're going to the beach, not on an expedition to the Antarctic. Come on. Let's get going. Amanda: Just hang on a sec! I've got to make sure we have all the essential items needed for a good time. Mike: Judging by the pile of stuff by the door,

【英语时差8，16】德国「翠绿岛」使人远离尘嚣

The word hectic is unknown on the East Frisian islands off the northern coast of Germany and that applies to the cosy isle of Spiekeroog. Guests that came here in 1846 described it as less noisy and luxurious than the other six islands. At first glan