【英语时差8,16】蓝莓提升记忆？-下

Scientists arent certain. But it may have to do with the fruits abundance of phytochemicalsanti inflammatory substances that also act as antioxidants. In animal studies, chemicals in blueberries boosted activity in parts of the brain associated with

【英语时差8,16】用食物引诱来结束孩子的哭闹？-下

Why? Because, according to the study, it could create a link between eating and comfort in kids prone to anger. Its well known that adults who associate food with comfort are more likely to be obese. The same mechanism might affect kids. Now, obesity

【英语时差8,16】用食物引诱来结束孩子的哭闹？-上

Say youre out somewhere with your kid, and hes having a meltdown. Crying, screaming, kicking-you name it. Desperate, you spot a vending machine and promise the little troublemaker a treat if hell settle down. A chocolate bar or two later, your child

【英语时差8,16】阿瑟克拉克与静止卫星 -上

Some of the best devices in science have been anticipated by science fiction writers years before they existed. Occasionally a writer comes up with an idea that can be put into practice within their lifetime! Such is the case with the geostationary s

【英语时差8,16】英国：苏格兰 -中

Plucks, lights, fat, oats, spice and the whole lot encased in a sheep's stomach. Andrea: Did you hear some of those ingredients, Jean? Apparently they are heart, liver and lungs of the sheep. The other ingredients in the dish are fat, oats and spice.

【英语时差8,16】英国：苏格兰 -上

Andrea: We all know about Scottish tartan. And have heard the sound of bagpipes. But what about the food in Scotland? Hello. I'm Andrea. A lot of people talk about the unhealthy, fried food you can eat in Scotland. But there are plenty of delicacies

【英语时差8,16】肉不宜二次冷冻

On the way home from the grocery, you get delayed so much that the frozen meat youve bought thaws out. The question is should you refreeze it?Weve been told by reliable authorities that its not good to refreeze uncooked meat. Why not? If freezing the

【英语时差8,16】走路不是简单活-上

Youre at a party. Somebody hands you a glass. Hey, come on over here! Somebody else shouts. You take a step and the next thing you know you are wearing that tasty beverage. But why? When we walk, we keep our torsos straight, dont we? Walking feels en

【英语时差8,16】太阳能也能用于制造液体燃料？ -上

I know that solar energy can be used to make electricity and to heat water and air. But can solar power also be used to make liquid fuels? Until recently, the practical answer was no. Photovoltaic panels absorb sunlight and use it to create an electr

【英语时差8,16】太阳能也能用于制造液体燃料？ -下

Instead of burning coal, oil, or biomass to heat things up, scientists have found that its possible to use solar energy. For example, some experimental facilities use thousands of mirrors to reflect sunlight onto a large plate on a tower, heating it

【英语时差8,16】夜生活 : 看电影 -下

I think people enjoy going to the cinema because it's a relatively cheap evening. Andrea: And there are so many different kinds of films to see. I prefer action films mainly. I'm pretty much middle- of-the-road. I don't do war films but apart from th

【英语时差8,16】夜生活 : 看电影 -中

I'm inside London's and the UK's oldest cinema, The Electric, in the west of London. It's very grand in here with gold and cream walls and red velvet carpets. And I'm really looking forward to enjoying a night at the movies. Andrea: Well, it was very

【英语时差8,16】凯瑟琳泽塔-琼斯获托尼奖 -下

After the awards the mother of two said she was in a state of shock and was astounded at winning the award. Her ongoing performance in the musical is her Broadway debut and has received rave reviews from critics. One critic described Catherine's perf

【英语时差8,16】冰激凌融化：热传导 -下

To get a handle on the value of this model equation lets go back to the ice cream scoop. The end result is obvious to our intuition, that the ice cream will eventually melt completely, because we know heat naturally flows from warm to cold. But what

【英语时差8,16】凯瑟琳泽塔-琼斯获托尼奖 -上

Catherine Zeta-Jones said she felt like cinderella after winning one of the night's biggest gongs at the Tony Awards on Sunday. The Tony Awards are regarded as the highest US stage honour and are the theatre equivalent to the Oscars. The UK has simil

【英语时差8,16】夜生活 : 看电影 -上

I've just seen Paranormal Activity. I've just seen Alice in Wonderland. I went to see Green Zone. I've just seen Avatar. Andrea: Yes, all these people have just been to the cinema. Going to the cinema for a night out remains extremely popular here in

【英语时差8,16】什么是卟咻症？2

In this form of hereditary porphyria, the skin becomes white with anemia and very sensitive to light. (Remember that vampires only come out at night.) The teeth of Porphyria victims become reddish and even glow under ultraviolet light. Hair grows fas

【英语时差8,16】为何世界大部分为空白？

Sure, you think the world is full of solid objects. You think the radio youre listening to is solid. You think the floor youre standing on or the chair youre sitting in is solid. Heck, you probably think that you yourself are a solid object. Wrong. O

【英语时差8,16】奥尔特云与彗星

The Oort cloud is a spherical haze of comets that surrounds our entire solar system. We often get the false impression that the solar system ends with Pluto. In fact, beyond Pluto is the Oort cloud, encircling everything else like an enormous shell.

【英语时差8,16】婴儿牙牙学语2

Perhaps the baby isnt hearing properly, or perhaps the problem is cognitive. Or, as is sometimes the case, the babys parents arent speaking to the baby enough. Because experts believe that while some capacity for language is ingrained, learning how t