Scientific American 60 Second Science听抄（有音频文件）

wlxzmUID: 2292462

20078月27
参考了几个网友的,还是不太清楚

This is going to surprise anybody who has been shaked away by a quake in southern Califonia. But
geologists say that the Los Angeles basin is actually in a period of low seismic  activity and has been for
about the last thousands years. That is according to research published in the September issue of Journal Geology. The seismic lull was marked by relatively smaller and fewer earthquakes. That's compare with
other periods with a lot of rumbling and crumbling. The period of big seismic activity in the late basin that ended a thousand years ago, lasted about four thousands years. Long term date on seismic actitity indicate that calm period lasts about fiften hundred to two thousands years which gives away another five hudred
to one thousand off. Now the reseachers are specifically referring to a Urban fault network, which is under the LA metropolitan atea. It does not includ the San Andreas fult, which can still whrow the accational big around about ten majors San Andreas bigest happend during the current LA basin lull. Nevertheless, the
current lull ends in the next mellennium, La's future could be sharky.

kevinliu6883UID: 2338522

Liverpool, UK - 21 August 2007: Diabetes patients could benefit from new research at the University of Liverpool that has identified a molecule in the intestine that can 'taste' the sugar content of the diet.

Researchers found that the sweet taste receptor that senses sugar and artificial sweeteners is not only present in the tongue, but also in the intestine. The discovery will open new avenues for the treatment of diabetes and obesity, as well as suggest reasons for why artificially sweetened foods and beverages sometimes fail to result in weight loss.

Scientists have previously shown that the absorption of dietary sugars in the intestine is mediated by a protein – a sugar transporter – that varies in response to the sugar content of foods.  The intestine uses a glucose sensing system to monitor these variations, but until now the nature of this system was unknown.

Professor Soraya Shirazi-Beechey, from the Faculty of Veterinary Science, said: “We found that the sweet taste receptor and the taste protein, gustducin, are present in the taste cells of the gut.  These sweet sensing proteins allow humans and animals to detect glucose within the intestine. We discovered that mice missing the gene for either of these proteins were unable to process the production of the intestinal sugar and were therefore unable to regulate the intestinal capacity to absorb dietary sugars.

“Surprisingly we also found that the receptor was able to detect artificial sweeteners in foods and drinks resulting in increased capacity of the intestine to absorb dietary sugars, which would explain why these sweeteners are unsuccessful at helping people lose weight.

“We are now researching mechanisms in which these receptors can be adjusted to benefit those with diet-related disorders.  Diabetes for example, is where the body’s blood sugar level is higher than normal; if we could use the taste receptor like a dimmer switch we could set it so that the appropriate amount of sugar is absorbed in the body.   
   
“From a veterinary perspective, the discovery could also have implications for race horses.  Horses need high levels of glucose to sustain them in long races; activating the receptor through dietary supplements, before and during the race, will increase intestinal absorption of glucose.”

The research is published in Proceeding of the National Academy of Sciences (PNAS)

Notes to editors:
1. The study is in collaboration with Robert Margolskee, Professor of Neuroscience at Mount Sinai School of Medicine, New York.
2. The University of Liverpool is one of the UK's leading research institutions.  It attracts collaborative and contract research commissions from a wide range of national and international organisations valued at more than £100 million annually.

[ 本帖最后由 kevinliu6883 于 2007-8-29 02:37 编辑 ]

kevinliu6883UID: 2338522

People who criticize cupcakes and candy bars set up for sweat teeth, even though sugar taste has nothing to do with your teeth, because we already know wabee test sweetness specialized sugar sensors found in the tongue. Scientists in Mount Sinai Medicine School in New York can straight even further from the mouth to understand how body see sweeties. They discover the two of tongue sense receptors also found in the gut. Specialized taste cells are telling when the local is about. If you think about it, the present sugar sensors in your intestines make sense. The small intestine is the main places dietary sugar absolved into your body. So when you sneak down into kitchen at 2 a.m. to polish of a tray of brownies, your gut first to know. And cells in your intestines call for insulin, lots of insulin and let you bring your food. Interestingly, they discovery taste receptor intestine could explain why artificial sweetie does really help to lose weight. Since your tongue may be fine with mouth full of sparleteen, but your belly hold the real deal, which wants too sweet.

kelediguoUID: 149939

2007-8-28
People who crave cupcakes and candy bars are said to have a sweet tooth, even though sugar lust has nothing to do with your teeth. Because as we all know, the way we detect sweetness is with specialized sugar sensors found in the tongue. Well, scientists at Mount Sinai School of Medicine in New York have strayed even further from the mouth in their attempt to understand how the body seizes sweeties. They’ve discovered that two of the tongue’s sugar sensing receptors are also found in the gut. In specialized taste cells they tell the intestine when there’s glucose about. If you think about it, the presence of these sugar sensors in your intestines make sense. The small intestine is the main place where dietary sugars are absorbed into your body. So when you sneak down to the kitchen at 2 am to polish off that tray of brownies, your gut’s the first to know. And cells in your intestine then call for insulin, lots of insulin, and then let your brain know you are full. Interestingly, the discovery of taste receptors in the intestine could explain why artificial sweeteners don’t really help you lose weight. Seems your tongue might be fine with a mouthful of aspartame, but your bellies hold the nut for the real deal, which it wants, too sweet.

[ 本帖最后由 kelediguo 于 2007-8-29 06:42 编辑 ]

deeperingUID: 2360981

好强啊，偶听写了十多分钟，结果看看写出来的只能够明白大意。

edoooUID: 2288057

原帖由 kelediguo 于 2007-8-29 06:21 发表
2007-8-28
People who crave cupcakes and candy bars are said to have a sweet tooth, even though sugar lust has nothing to do with your teeth. Because as we all know, the way we detect sweetness i ...

aspartame 也听出来了……佩服啊

yummy8682UID: 2318568

我也来加入听写！不过我水平很烂，努力！努力！这铁我收了，哈哈:loveliness:

liucirongUID: 2215759

最后一句:hold the nut for the real deal

为什么是nut

[ 本帖最后由 liucirong 于 2007-8-29 16:04 编辑 ]

chuanweizuoUID: 2189837

好多地方没有听明白，根据发音猜的:(

If you could all watch the jetsons, you may wonder why we now are zooming around in flying cars that automatically take us where we want to go, no driving necessary. Well, it'll probably be a few more years before self-navigating half crafts are part of your daily commute. But scientists in Sandiel national laboratories are working to make today's car smarter about responding to your needs. Most cars now come equipped to an on board computer that collects information about how the vehicle is running. The Sandiel scientists are making use of that computer to analyze what the cars are up to. Whether it's navigating a winding road, or passing a slow vehicle, and how the drivers are handling things. The researchers reged a flid of vehicles with sensors that recorded information about braking, steering, acceleration, and even the brain activity of the people doing the driving. What's in it for you? Intigrating such data, a smart car could, for example, hold incoming cellphone calls on a mountain road until you successfully navigate that serials of steep switch backs, not the spaceage technology we dreamed of, perhaps. But if the jetsons flying car was so smart, why did it keep taking George to spacely sprukets?

[ 本帖最后由 chuanweizuo 于 2007-8-29 16:44 编辑 ]

kelediguoUID: 149939

我也不知道是不是nut，以前也没见过这种用法，根据读音瞎猜的，希望不要误导你。最后一句话我也没搞懂到底说的是什么意思。

kelediguoUID: 149939

2007-8-29
If you grew up watching the Jetsons, you may wonder why we are not all zooming around in flying cars that automatically take us where we want to go, no driving necessary. Well, it’ll probably be a few more years before self-navigating hovercrafts are part of your daily commute. But scientists at Sandia National Laboratories are working to make today’s cars smarter about responding to your needs. Most cars now come equipped with an onboard computer that collects information about how the vehicle is running. The Sandia scientists are making use of that computer to analyze what the car is up to, whether it’s navigating a winding road or passing a slower vehicle, and how the driver is handling things. The researchers rigged a fleet of vehicles with sensors that recorded information about braking, steering, acceleration and even the brain activity of the people doing the driving. What’s in it for you? Integrating such data, a smart car could, for example, hold incoming cellphone calls on a mountain road until you successfully navigated that series of steep switchbacks. Not the space-age technology we dreamed of, perhaps. But if the Jetsons’ flying car was so smart, why did it keep taking George to Spacely Sprockets?

kevinliu6883UID: 2338522

If you go out to watch Jackson’s, you may wonder why we are not all zooming around in flying car that automatically take us where we want to go. No drive necessary. Well it will probably be a few more years before self navigating hovercrafts cover part of your daily commute. But scientists at Sandia laboratory are working to make today’s car smarter about responding to your needs, most cars now come equipped with an onboard computer that collect information of how is the vehicle running. The Sandia scientists make use that computer to analyze what the car is up to, where the vehicle navigate on the winding road, or passing slow vehicle, and how the drive handle these things. The researchers rigged a fleet of vehicles with sensors that record information on braking, steering, accelerating even brain activity people doing during driving. What’s in it for you? Integrating such data, a smart car could, for example, hold incoming cell phone call on a mountain road until you successfully navigate that serious steep switch back. Not the space-age technology we dream of, perhaps, but if Jackson’s flying car was so smart, why did it keep taking George to spacely sprockets.

chuanweizuoUID: 2189837

kelediguo 听得真不错，我很多地方只听出过发音，写不出来。
你找到了这篇的sciencedaily相关的报道了吗？
rigged a fleet of vehicles 这个rig是什么意思呢？

edoooUID: 2288057

原帖由 kelediguo 于 2007-8-30 02:49 发表
我也不知道是不是nut，以前也没见过这种用法，根据读音瞎猜的，希望不要误导你。最后一句话我也没搞懂到底说的是什么意思。

最后一句是不是这个意思：如果你嘴里一口的aspartame（这东西放一点点到咖啡里都甜的发腻）你的舌头（味觉细胞）感觉不错，可是你胃里的cell还没满足（还没满足到发出信号），而这种情况下胃里的cell才是话事人（hold the nut for the real deal），它需要的是“再甜一点吧”

wlxzmUID: 2292462

2007.9.29

If you go approaching the Jatsons, you may wonder why we are not all zooming around in flying cars that automatically take us where we want to go, no driving necessary. Well, it'll provably be a few more years before selfnavigating hovercrafts are part of you daily commute. But scentists at Sandia Nationgal Laboratory are working to make today's car smarter about responding to you needs. Most cars now come equipped with onboard computer that collect information about how the vehicle is running. The Sandia scentists are making ust of that computer to analyze what the car is uup to, whether it's navigating a winding road or passing a slower vehicle and how the drivers handling things. The researchers rigged the fleet vehicles with sensors that recorded information about breaking, steering, acceleration and even the brain activity of the people doing the driving. What's in it for you? Intrgrating such data, a smart car could, for example, holding coming cellphone calls and on a  mountain road until your successful navigate the series steep switchbacks. NOt the space-age technology we dreamed of, perhapes. But the Jetsons' flying was so smart, why did it keep taking .......

有些地方怎么都搞不明白了!呵呵