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【整理】SSS 2008-11-12

qingchengshan 发表于: 2008-11-12 15:09 来源: 普特学友家园

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米饭团 at 2008-11-12 16:10:26

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

 

They say that the best offense is a good defense. And the best defense might be the most offensive. Take for example the barfing caterpillars of the beet army moth. When threatened by marauding fire ants, these caterpillars regurgitate on their foes, rendering them less able to put up a fight. But what's so debilitating about a little caterpillar puke? The scientists used to think that bugs protect themselves by projectile vomiting were taking advantage of chemicals they borrowed from the plants they eat, the such spitting plant toxins at their enemies. But the beet armyworm will eat almost anything, from color flower to corn and most of those plants don't produce anything they can be weaponized. Instead, scientists have found that these caterpillars upchuck a fluid that's chock full of surfactants chemicals that help make liquids easier to spread. The enhanced spread ability allows the spit up to ooze over the surface of an unsuspecting ant, who then has to stop to clean the stuff off while the caterpillar makes his escape. The results were published by the Royal Society on November 5th. Some pesticides rely on surfactants to protect crops. So biotech companies might look to the caterpillar when they need some fresh ideas that throw up on the board.

 

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

manyi827 at 2008-11-12 16:12:02

Homework

 

 This is Scientific American's 60-Second-Science, I'm Karen Hopkin, this will just take a minute.
 They say that the best offense is a good defense, and the best defense might be the most offensive. Take, for example, the barfing caterpillars of the beet armyworm moth. When frightened by // fire ants, these caterpillars regurgitate on their foes, wandering them less able to put up a fight. But what's all the ability in a // caterpillar puke? Scientists used to think that bug protect themselves by project of vomiting or taking advantage of chemicals they boworrowed from the plants they eat, it's acutally spitting plant toxins at their enemies. But the beet armyworm // almost anything from color flower to corn, and most of those plants don't produce anything that can be weaponized. Instead, scientists have found these caterpillars upchuck a fluid that's chuck-full of Survectors, chemicals that help make liquid easier to spread. The enhanced spread ability allows the speedup to ooze over the surface of // suspecting end, // then has to stop to clean the stuff off while the caterpillar makes its escape. The results will publish by the Royal Society on November 5th. Some pesticides rely on Survectors to protect crops, so biotech companies might look to the caterpillar when they need some fresh ideas that throw up on the board.
 Thanks for the minute, for Scientific American's 60-Second-Science, I'm Karen Hopkin.

cooogo at 2008-11-13 00:15:02

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

 

They say that the best offense is a good defense. And the best defense might be the most defensive. Take for example the barfing caterpillars of the beet army moth. When threatened by marauding fire ants, these caterpillars regurgitate on their foes, rendering them less able to put up but fight. But what's so debilitating about a little caterpillar puke? The scientists used to think that bugs protect themselves by projectile vomiting were taking advantage of chemicals they borrowed from the plants they eat, the such spitting plant toxins at their enemies. But the beet armyworm will eat almost anything, from color flower to corn and most of those plants don't produce anything they can be weaponized. Instead, scientists have found that these caterpillars upchuck a fluid that's chock full of surfactants chemicals that help make liquid easier to spread. The enhanced spread ability allows the spit up to ooze over the surface of an unsuspecting ant, who then has to stop to clean the stuff off while the caterpillar makes his escape. The results were published by the Royal Society on November 5th. Some pesticides rely on surfactants to protect crops. So biotech companies might look to the caterpillar when they need some fresh ideas that throw up on the board.

 

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

qintwo at 2008-11-13 06:40:51

Homework This is scientific American sixty seconds’ science. I’m Karen Hopink. This just takes a minute. That says the best offense is good defense, the worst defense may be the most offensive. Take example of batfle carpenters to the big army war marth. When Frank Bimarly fire aims this cateperial the Gorgerty to the foul. Wondering what’s able to put into the fight. But what so the ability in the battle carpenter kill. Scientists used to think the bark protect himself by project modeling or taking the advantage of chemistry they bought from the plants they eat. That’s spelling part of the remermid protask of enemies. But the big army war would be sent anything to California’s corn. Most they can do anything to wide. Instead scientists found the dicompen charctive survilence Chemical help the leakage usually spread.Aability to surrounding the end Who that is Stop fee to Alpate make it scale The results were published on the Rural Society on Nov fifth. Some pesty say this can protect the crops, so the company may look care the carterpenters When they need the fresh idea to through on the board

鹅呆呆 at 2008-11-13 09:58:43

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

 

They say that the best offense is a good defense. And the best defense might be the most defensive. Take for example the barfing caterpillars of the beet army moth. When threatened by marauding fire ants, these caterpillars regurgitate on their foes, rendering them less able to put up but fight. But what's so debilitating about a little caterpillar puke? The scientists used to think that bugs protect themselves by projectile vomiting were taking advantage of chemicals they borrowed from the plants they eat; it’s actually spitting plant toxins at their enemies. But the beet armyworm will eat almost anything, from color flower to corn， and most of those plants don't produce anything they can be weaponized. Instead, scientists have found that these caterpillars upchuck a fluid that's chock full of surfactants chemicals that help make liquid easier to spread. The enhanced spread ability allows the spit up to ooze over the surface of an unsuspecting ant, who then has to/?  stop to clean the stuff off while the caterpillar makes its escape. The results were published by the Royal Society on November 5th. Some pesticides rely on surfactants to protect crops. So biotech companies might look to the caterpillar when they need some fresh ideas that throw up on the board.

 

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

[ 本帖最后由 ivyxk 于 2008-11-15 09:43 编辑 ]

Feiyue22 at 2008-11-13 11:18:20

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

 

They say that the best offense is a good defense. And the best defense might be the most defensive.

 

Take for example the barfing caterpillars of the beet armyworm moth. When threatened by marauding fire ants, these caterpillars regurgitate on their foes, rendering them less able to put up a fight. But what's so debilitating about a little caterpillar puke? The scientists used to think that bugs that protect themselves by projectile vomiting were taking advantage of chemicals that borrowed from the plants they eat; essentially spitting plant toxins at their enemies. But the beet armyworm will eat almost anything, from cauliflower to corn，and most of those plants don't produce anything that can be weaponized.

 

Instead, scientists have found that these caterpillars upchuck a fluid that's chock full of surfactants chemicals that help make liquid easier to spread. The enhanced spreadability allows the spit-up  ooze over the surface of an unsuspecting ant, who then has to stop to clean the stuff off while the caterpillar makes its escape. The results were published by the Royal Society on November 5th. Some pesticides rely on surfactants to protect crops. So biotech companies might look to the caterpillar when they need some fresh ideas to throw up on the board.

 

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

perfect123 at 2008-11-14 00:13:47

on Feiyue22

 

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

 

They say that the best offense is a good defense. And the best defense might be the most defensive.

 

Take for example the barfing caterpillars of the beet armyworm moth. When threatened by marauding fire ants, these caterpillars regurgitate on their foes, rendering them less able to put up a fight. But what's so debilitating about a little caterpillar puke? The scientists used to think that bugs protect themselves by projectile vomiting or taking advantage of chemicals they borrowed from the plants they eat; essentially spitting plant toxins at their enemies. But the beet armyworm will eat almost anything, from cauliflower to corn，and most of those plants don't produce anything that can be weaponized.

 

Instead, scientists have found that these caterpillars upchuck a fluid and chuck full of surfactants, chemicals that help make liquid easier to spread. The enhanced spreadability allows the spit-up  ooze over the surface of an unsuspecting ant, who ends up to stop to clean the stuff off while the caterpillar makes its escape. The results were/will be published by the Royal Society on November 15th. Some pesticides rely on surfactants to protect crops. So biotech companies might look at the caterpillar when they need some fresh ideas to throw up on the board.

 

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

bonniexun1031 at 2008-11-14 09:34:35

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

 

They say that the best offense is a good defense. And the best defense might be the most defensive.

 

Take for example the barfing caterpillars of the beet armyworm moth. When threatened by marauding fire ants, these caterpillars regurgitate on their foes, rendering them less able to put up a fight. But what's so debilitating about a little caterpillar puke? The scientists used to think that bugs protect themselves by projectile vomiting or taking advantage of chemicals they borrowed from the plants they eat; essentially spitting plant toxins at their enemies. But the beet armyworm will eat almost anything, from cauliflower to corn，and most of those plants don't produce anything that can be weaponized.

 

Instead, scientists have found that these caterpillars upchuck a fluid and chuck full of surfactants, chemicals that help make liquid easier to spread. The enhanced spreadability allows the spit-up ooze over the surface of an unsuspecting ant, who then has to stop to clean the stuff off while the caterpillar makes its escape. The results were published by the Royal Society on November 15th. Some pesticides rely on surfactants to protect crops. So biotech companies might look at the caterpillar when they need some fresh ideas to throw up on the board.

 

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

ylem_ail at 2008-11-14 12:40:03

On bonniexun1031（好认真啊，奖励小红花--------ivyxk）

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

They say that the best offense is a good defense. And the best defense might be the most defensive.

Take for example the barfing caterpillars of the beet armyworm moth. When threatened by marauding fire ants, these caterpillars regurgitate on their foes, rendering them less able to put up a fight. But what's so debilitating about a little caterpillar puke? The scientists used to think the bugs that protect themselves by projectile vomiting or taking advantage of chemicals they borrowed from the plants they eat; essentially spitting plant toxins at their enemies. But the beet armyworm will eat almost anything, from cauliflower to corn，and most of those plants don't produce anything that can be weaponized.

Instead, scientists have found that these caterpillars upchuck a fluid and chuck full of surfactants, chemicals that help make liquid easier to spread. The enhanced spreadability allows the spit-up to ooze over the surface of an unsuspecting ant, who then has to stop to clean the stuff off while the caterpillar makes his escape. The results were published by the Royal Society on November 15th. Some pesticides rely on surfactants to protect crops. So biotech companies might look at the caterpillar when they need some fresh ideas to throw up on the board.

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

 

fire ant:An aggressive ant that forms large colonies in fields, gardens, and lawns across the South. Fire ants do not harm plants, but they bite gardeners, and once they have entered an area, it is hard to get rid of them.

marauding adj. 抢劫的,劫掠的

regurgitate  v. (使)涌回,(使)流回,(使)反刍

debilitate vt. 使(人或人的身体)非常虚弱

projectile vomiting  喷射性呕吐

take advantage of v. 利用

surfactant n.,adj. 表面活性剂(的)

weaponize vt. 把…改装成武器；使武器化

ooze vi. (浓液等)慢慢地冒出, 渗出 vt. 使(液体)缓缓流出n. 泥浆, (河底的)淤泥

 

参考

1. Corn earworm：棉铃虫

2. tobacco budworm：烟夜蛾

OTHER COMMON NAMES：Tomato fruitworm, sorghum headworm, vetchworm, cotton bollworm

3. beet armyworm：甜菜夜蛾

moth larva that eats foliage of beets and vegetables

4. silver-striped Spodoptera litura； Oriental Leafworm Moth ；Spodoptera litura：银纹夜蛾

5. pyralid moth：螟蛾Pyralidae

6. corn borer：玉米螟

7. 稻纵卷叶螟：Rice leaffolder, rice leaf roller, grass leaf roller (Cnaphalocrocis medinalis

)

8.bean leaf roller：大豆卷叶螟Lamprosema indicata Fabricius

Urbanus proteus (Linnaeus) --bean pyralid

9. Liriodendron tulipifera：American tulip tree 马褂木，学名:Liriodendron chinese； Chinese

tulip tree

10. waxy corn：糯玉米

11. Clenbuterol hydrochloride：盐酸克伦特罗（瘦肉精）

12. IBD：Infectious Bursal Disease (IBD), or Gumboro Disease 鸡传染性法氏囊

13. bioconversion：生物转化

 

 

[ 本帖最后由 ivyxk 于 2008-11-15 09:57 编辑 ]