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This is Scientific Americans 60-Second Science, Im Christopher Intagliata. Got a minute? Last month's salmonella outbreak got over 1,500 people sick. And one reason salmonella may be such a heavy hitter is that it actually hijacks our immune response

发表于:2018-12-24 / 阅读(33) / 评论(0)

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最In导购口语第119期:专属绿茶

导购口语: Chinese green tea is always a favorite with our customers. 绿茶很受顾客的喜爱。 The regular drinking of green tea improves one's health. 常喝绿茶，改善健康。 It benefits the eyes and relaxes the mind to drink green t

发表于:2018-12-25 / 阅读(27) / 评论(0)

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英语听力：自然百科佛罗里达州的温泉（二）

The divers started in the ocean, but they are now within solid bedrock, 150 feet beneath someone's living room. They are now swimming in the water supply for the town above. Here they find, as they had hoped, life in the pitch darkness. These are hyd

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【英语语言学习】人类的第二大脑

Hi, it's All in the Mind on RN. Today, why the gut has been dubbed our second brain. David Perlmutter: There are some absolutely avant-garde researchers who have finally made a huge leap and have decided to look for brain answers outside of the brain

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TED演讲:我们为什么要排气(2)

But methane is actually odorless, too. 但是甲烷也是无味的。 Well then, what stinks? 那么，什么东西这么臭？ The foul smell is usually due to volatile sulfur compounds, such as hydrogen sulfide and methanethiol, or methyl mercaptan

发表于:2019-01-17 / 阅读(60) / 评论(0)

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We now know that there are a lot of microbes living deep within the Earth, many of which have nothing at all to do with the organic world. 我们现在知道了，有大量微生物生活在地球内部的深处，其中许多与普通的有机世界毫

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