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Well the cockroach is pretty much its natural state and you have all the ingredients in the other food.
而蟑螂则保持了自然形态,奇多的所有配料
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Get loads of, you can sample the food which is nice.
还会得到很多东西，你可以试吃那些美味的食物。
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I'll give you four food companies, and tell me which one you think is the world's largest.
我将列出四家食品公司,请大家告诉我你认为,哪一家公司是世界最大的食品公司
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Any molecule can be an antigen; the food that you eat is full of antigens, microbes that try to live in your body are full of antigens.
任何分子都可以成为抗原,你吃的食物中富含抗原,试图栖息在你身体中的微生物充满抗原
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An unreinforced trial is when you get the food without the bell.
非强化尝试是只有食物而没有铃声的时候。
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The food environment that you're exposed to today is much different than when I was a boy.
你们今天所面临的食品环境,和我小时候的相比已经大相径庭
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Now the first the eat food: well he has a long discussion, and as you'll know from the book, about what is food?
他做了大篇幅关于饮食的讨论,你可以从书中了解到,什么是食物
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Well, this is the original food guide pyramid, it's supplemented by a more recent version and I'll show you in just a second.
这是一个最初版本的食物金字塔,最近有一个新版本对其进行了补充,我马上会给大家展示
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Here you see the main concern is what's happening with blood sugar when people eat food.
它主要关注的问题是进食引起的血糖变化
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Again, you probably didn't come expecting to hear about farming, but farming is where the food starts and we need to understand that world.
同样地,你们可能没听说过农业,农业是食品的起点,我们需要了解这个领域
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Most everybody understands the basic concept of what a calorie is: you eat food, it delivers something that can affect your weight, and that something is divided into units called calories.
大部分人所理解的基本定义是,人们吃食物,其中某些物质影响体重,这种物质划分为小单位后称之为卡路里
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And if your body is biologically programmed to defend itself gainst famine or starvation which is what humans and animals have faced over all the centuries then you're going to seek out the energy dense food and that's why those foods taste inherently better.
在生物学角度,你的身体本身一直在,抵御饥荒和饥饿,是人和其他动物几世纪来一直面对的问题,所以你就主动寻找高能量的食品,这也是为什么这些食品比较好吃
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The person who does that best is Michael Pollan, and when you read his book, In Defense of Food, he spends some time in the book defining what food is and working through this--this quagmire of how do we define food and what's acceptable to eat, what's socially acceptable, what's personally acceptable.
这一点上迈克尔·伯伦做得最好,你们可以看看他写的书《为食物辩护》,他在书中给食物下了定义,并深入地探讨了这个难题,即如何区分食物与能吃的东西,社会普遍接受的东西,个人能够接受的东西
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If you look at certain parts of this, like fat and added sugar, you have 5% is the recommended amount of sugar and fat added to food, but the actual amount is between the sugar and the fat put together is 48%.
如果你仔细看看某些部分,比如脂肪和额外糖分这项,食物中添加脂肪和糖的推荐量5%,而实际添加量,二者合计是48%
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Now these parts of the world are shrinking in the number; but let's say you lived in Ethiopia or Somalia, or places where food really is scarce way too much of the time, then having this particular biological drive, having a brain that wants you to seek out these foods would be highly adaptive.
现在这些地区的数量正在减少,但如果你生活在埃塞俄比亚或是索马里,或是当前食品十分短缺的地区,那么拥有这种生物驱动力,拥有不断驱使你去寻找食物的大脑,会让你有极强的适应能力
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You also have to factor in here how much physical work is involved in getting the food.
你还要考虑,多少体力,被用了在寻找食物上
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How many of you would guess that Unilever is the world's largest food company?
有多少人认为,联合利华是世界上最大的食品公司
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And if food is anything you eat, it gives you a nutrient, then basically everything satisfies the criteria for food; not everything in the world, but most things would.
若不论吃什么,只要提供营养就是食物,那基本上没有什么不满足食物的定义,倒不是说一切东西,至少绝大部分都满足
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Well what you do is you bomb the food and you use something called the bomb calorimeter that looks like this, and so essentially what you do is you put the food in this device that sits inside water.
我们要做的是燃烧食物,使用一种叫弹式量热器的工具,像这样,把食物放入这种仪器中,仪器会浸入水里
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