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[科学美国人60秒] 【整理】SSS 2008-05-23

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[科学美国人60秒] 【整理】SSS 2008-05-23

SSS 2008-05-23

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Tune in every weekday for quick reports and commentaries on the world of science-- it'll just take a minute.


Researchers working with mice found that the brain has an internal clock that wakes the animal to make sure it eats. Karen Hopkin reports



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【整理】SSS 2008-05-23【整理人】ZPC224

Transcript

 

This is Scientific American's 60-Second Science, I'm Karen Hopkin, this'll just take a minute.

 

I had a roommate who couldn’t sleep unless it was pitch dark, so she wore a face mask to bed. But she’d gotten it from an airline, so one of the eye patches had a little sticker on it that said, “Wake me for meals.” Now a new study from Harvard Medical school suggests that she needn’t have bothered with the sticker. Because scientists there have found that the brain has a special “meal clock” that keeps animals from snoozing when there’s food to be had. The results appear in the May 23 issue of Science. As you probably know, the body has a master clock that tells us when to sleep and wake. That timepiece takes cues from the sun to keep us in synch with the rest of the world. Working with mice, the Harvard scientists located a second clock, one that responds to food rather than sunlight. So if there’s a cheese shortage when the mouse makes his midnight run, he can reset his alarm to see if the snack bar is better stocked at noon. The finding is good news for travelers, who may be able to reset their own body clocks, thereby adjusting more quickly to the local time zone and minimizing jet lag, by simply not eating anything on the plane. Which is probably sound advice no matter how long your flight.

 

Thanks for the minute, for Scientific American's 60-Second Science, I'm Karen Hopkin.

 

 

 

[ 本帖最后由 zpc224 于 2008-6-1 10:01 编辑 ]

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Fiona's HW~

This is scientific American's 60-second-science, I'm Karen Hopkin, this'll just take a minute.

 

I had a roommate who couldn’t sleep unless it was pitch dark, so she wore a face mask to bed. But she (had) gotten it from an airline, so one of the eye patches had a little sticker on it that said : “Wake me for meals.” Now a new study from Harvard Medical school suggests that she needn’t have bothered with the sticker. Because scientists there have found that the brain has a special meal clock that keeps animals from snoozing when there’s food to be had. The results appear in the May 23rd issue of Science.

 

As you probably know, the body has a master clock that tells us when to sleep and wake. That timepiece takes cues from the sun to keep us in synch with the rest of the world. Working with mice, the Harvard scientists located a second clock, one that responds to food rather than sunlight. So if there’s a cheese shortage when the mouse makes his midnight run, he can reset his alarm to see if the snack bar is better stocked at noon. The finding is good news for travelers, who may be able to reset their own body clocks, thereby adjusting more quickly to the local time zone and minimizing jet lag by simply not eating anything on the plane. Which is probably sound advice no matter how long your flight.

Thanks for the minute, for scientific American's 60-second science, I'm Karen Hopkin.

[ 本帖最后由 fionainnicemood 于 2008-5-23 21:13 编辑 ]
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Homework

This is Scientific American's 60-second-science, I'm Karen Hopkin. This'll just take a minute.

I had a roommate who couldn’t sleep unless it was pitch dark, so she wore a face mask to bed but she got it from an airline so one of the eye patches had a little sticker on it that said wake me for meals. Now a new study from Harvard Medical School suggests she needn’t have bothered with the sticker, because scientists there found that the brain has a special meal clock that keep animals from snoozing when there’s food to be had.

The results appear in the May 23rd issue of Science. As you probably know the body has a master clock that tells us when to sleep and wake, that time piece takes cues from the sun to keep us in sync with the rest of the world.

Working with mice the Harvard scientist located a second clock one that responds to food rather than the sunlight so if there is a / shortage when a mouse makes his mid-night run, he can reset his alarm to see if this // is better stocked at noon . The finding is good news for travelers who may be able to reset their own body clocks. Thereby adjusting more quickly to the local time zone and minimizing jet lag by simply not eating anything on the plane which is probably sound advice no matter how long your flight.

Thanks for the minute, for Scientific American’s 60-second science, I'm Karen Hopkin.

[ 本帖最后由 jyb061 于 2008-5-23 21:12 编辑 ]
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On Fionnanicemood

This is scientific American's 60-second-science, I'm Karen Hopkin, this'll just take a minute.

 

I had a roommate who couldn’t sleep unless with pitch -dark, so she wore a face mask to bed. But she got it from an airline, so one of the eye patches had a little sticker on it that said : “Wake me for meals.” Now a new study from Harvard Medical school suggests that she needn’t have bothered with the sticker. Because scientists there have found that the brain has a special meal clock that keeps animals from snoozing when there’s food to be had. The results appear in the May 23rd issue of Science.

 

As you probably know, the body has a master clock that tells us when to sleep and wake. That timepiece takes cues from the sun to keep us in synch with the rest of the world. Working with mice, the Harvard scientists located a second clock, one that responds to food rather than sunlight. So if there’s a cheese shortage when a mouse makes his midnight run, he can reset his alarm to see if the snack bar is better stocked at noon. The finding is good news for travelers, who may be able to reset their own body clocks, thereby adjusting more quickly to the local time zone and minimizing jet lag by simply not eating anything on the plane,which is probably sound advice no matter how long you fly.

 

Thanks for the minute, for scientific American's 60-second science, I'm Karen Hopkin.

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work hard

This is scientific American's 60-second-science, I'm Karen Hopkin, this'll just take a minute. I had a roommate who couldn’t sleep unless it was pitch dark, so she wore a face mask to bed. But she (had) gotten it from an airline, so one of the eye patches had a little sticker on it that said : “Wake me for meals.” Now a new study from Harvard Medical school suggests that she needn’t have bothered with the sticker. Because scientists there have found that the brain has a special meal clock that keeps animals from snoozing when there’s food to be had. The results appear in the May 23rd issue of Science. As you probably know, the body has a master clock that tells us when to sleep and wake. That timepiece takes cues from the sun to keep us in synch with the rest of the world. Working with mice, the Harvard scientists located a second clock, one that responds to food rather than sunlight. So if there’s a cheese shortage when the mouse makes his midnight run, he can reset his alarm to see if the snack bar is better stocked at noon. The finding is good news for travelers, who may be able to reset their own body clocks, thereby adjusting more quickly to the local time zone and minimizing jet lag by simply not eating anything on the plane. Which is probably sound advice no matter how long your flight. Thanks for the minute, for scientific American's 60-second science, I'm Karen Hopkin.

he

On Fionnanicemood This is scientific American's 60-second-science, I'm Karen Hopkin, this'll just take a minute. I had a roommate who couldn’t sleep unless with pitch -dark, so she wore a face mask to bed. But she got it from an airline, so one of the eye patches had a little sticker on it that said : “Wake me for meals.” Now a new study from Harvard Medical school suggests that she needn’t have bothered with the sticker. Because scientists there have found that the brain has a special meal clock that keeps animals from snoozing when there’s food to be had. The results appear in the May 23rd issue of Science. As you probably know, the body has a master clock that tells us when to sleep and wake. That timepiece takes cues from the sun to keep us in synch with the rest of the world. Working with mice, the Harvard scientists located a second clock, one that responds to food rather than sunlight. So if there’s a cheese shortage when a mouse makes his midnight run, he can reset his alarm to see if the snack bar is better stocked at noon. The finding is good news for travelers, who may be able to reset their own body clocks, thereby adjusting more quickly to the local time zone and minimizing jet lag by simply not eating anything on the plane,which is probably sound advice no matter how long you fly. Thanks for the minute, for scientific American's 60-second science, I'm Karen Hopkin.

On sindu2009

 

This is scientific American's 60-second-science, I'm Karen Hopkin, this'll just take a minute.

 

I had a roommate who couldn’t sleep unless it was pitch -dark, so she wore a face mask to bed. But she got it from an airline, so one of the eye patches had a little sticker on it that said : “Wake me for meals.” Now a new study from Harvard Medical school suggests that she needn’t have bothered with the sticker. Because scientists there have found that the brain has a special meal clock that keeps animals from snoozing when there’s food to be had. The results appear in the May 23rd issue of Science.

 

As you probably know, the body has a master clock that tells us when to sleep and wake. That timepiece takes cues from the sun to keep us in synch with the rest of the world. Working with mice, the Harvard scientists located a second clock, one that responds to food rather than sunlight. So if there’s a cheese shortage when a mouse makes his midnight run, he can reset his alarm to see if the snack bar is better stocked at noon. The finding is good news for travelers, who may be able to reset their own body clocks, thereby adjusting more quickly to the local time zone and minimizing jet lag by simply not eating anything on the plane,which is probably sound advice no matter how long you fly.

 

Thanks for the minute, for scientific American's 60-second science, I'm Karen Hopkin.

 


We are what we repeatedly do. Excellence, then, is not an act, but a habit.
实现无障碍英语沟通

Homework

This is Scientific American's 60-Second Science, I'm Karen Hopkin. This'll just take a minute.

 

I had a roommate who couldn’t sleep unless it was pitch dark, so she wore a face mask to bed. But she’d gotten it from an airline, so one of the eye patches had a little sticker on it that said, “Wake me for meals.” Now a new study from Harvard Medical Schools suggests that she needn’t have bothered with the sticker. Because scientists there have found that the brain has a special “meal clock” that keeps animals from snoozing when there’s food to be had. The results appear in the May 23rd issue of Science. As you probably know, the body has a master clock that tells us when to sleep and wake. That timepiece takes cues from the sun to keep us in synch with the rest of the world. Working with mice, the Harvard scientists located a second clock, one that responds to food rather than sunlight. So if there’s a cheese shortage when the mouse makes his midnight run, he can reset his alarm to see if the snack bar is better stocked at noon. The finding is good news for travelers, who may be able to reset their own body clocks, thereby adjusting more quickly to the local time zone and minimizing jet lag, by simply not eating anything on the plane. Which is probably sound advice no matter how long your flight.

 

Thanks for the minute, for Scientific American's 60-Second Science, I'm Karen Hopkin.

 

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