If I asked you to name a microbe that's living in your gut, many of you would probably say E. coli. 如果请你举例说出一个生活在你肠道里的微生物,很多人可能会说大肠杆菌。 A lot of people say this. It's the best-known o

发表于:2018-12-05 / 阅读(77) / 评论(0) 分类 TED演讲科学篇

The antimicrobial triclosan is a common ingredient in hand soap. But it's also found in shampoos, deodorants, toothpaste, even lip gloss. So it's not too surprising that triclosan also shows up in blood, urine, breast milk and mucus. But here's the w

发表于:2019-01-02 / 阅读(65) / 评论(0) 分类 英伦广角

What's the first thing yout do when your family gets to your hotel room? Several recent studies suggest it might be a good idea to pull out a package of antibacterial wipes and give your room a quick once-over. 当你和家人入住酒店时,第一件

发表于:2019-01-06 / 阅读(111) / 评论(0) 分类 阅读空间

But within hours, and while she was still in the hospital, Monica developed a fever and pain caused by a fast-moving bacteria. She was dying, so they took some organs to save her, but the bacteria had spread, so the doctors came in and said to her, W

发表于:2019-01-18 / 阅读(50) / 评论(0) 分类 名校励志英语演讲

Now a Bristol University dental scientist has discovered that a common bacteria responsible for tooth decay and gum disease can break out into the bloodstream and help blood clots to form. 最近英国布里斯托尔大学科学家经研究发现,一

发表于:2019-01-19 / 阅读(58) / 评论(0) 分类 中英双语新闻

Now the first thing you are likely to realize is that space is extremely well named and rather dismayingly uneventful. Our solar system may be the liveliest thing for trillions of miles, but all the visible stuff in itthe Sun, the planets and their m

发表于:2019-01-29 / 阅读(53) / 评论(0) 分类 万物简史

Almost half of us think food can only be frozen the day we buy it and 38% think you cant refreeze cooked meat. 我们当中有接近一半的人都认为食物只能在购买当天冷藏,38%的人则认为熟肉制品不宜冷藏。 According to a

发表于:2019-02-01 / 阅读(103) / 评论(0) 分类 阅读空间

There is nothing as romantic as two lovers sharing a kiss. 恋人之间相互接吻是一件多么美妙浪漫的事情啊。 But scientists have come up with an evolutionary explanation which perhaps threatens to kill the passion. 但是科学家们最

发表于:2019-02-07 / 阅读(66) / 评论(0) 分类 英语新闻

[全屏观看] 点击右键- 另存为 可保存这个Flash影片 介绍说明: 推荐指数:★★★★ 一开始点击那个播放键Run Experiment,然后点击左上角的四个圈中的一个圈,这样游戏就开始了。在游戏里,你要

发表于:2019-02-09 / 阅读(58) / 评论(0) 分类 英语单机游戏

讲解 Today's key word is Yogurt Yogurt y-o-g-u-r-t 酸奶 It is a food produced through the bacterial 细菌的 fermentation发酵 of milk. Here is a very delicious example: I like to have a bowl of yogurt with fruit for my breakfast. 我早餐喜欢

发表于:2019-02-13 / 阅读(66) / 评论(0) 分类 英语悠选脱口秀

Ears are the natural sound detector of our body, they interpret the sound for our understanding. 耳朵是我们身体自然声音的侦查器,解析声音以便我们理解。 #1: Ears helps in Taste #1: 耳朵有助味觉 Were not saying that you

发表于:2019-02-14 / 阅读(47) / 评论(0) 分类 阅读空间

In the early days, this was an exceedingly painstaking process. 早年,这是个极费力气的过程。 Work on a single bacterium could easily consume a year. 研究一个细菌就可能一下子花掉一年时间。 At that time, according to Wo

发表于:2019-02-17 / 阅读(62) / 评论(0) 分类 万物简史

A lot of little organisms that looked like bacteria and behaved like bacteria were actually something else altogether, 许多小生物看上去像细菌,表现得像细菌,实际上完全是另一类东西, something that had branched off from

发表于:2019-02-17 / 阅读(66) / 评论(0) 分类 万物简史

Precisely the same thing happens with meningitis. 脑膜炎的情况完全一样。 At least 10 percent of young adults, and perhaps 30 percent of teenagers, carry the deadly meningococcal bacterium, 至少有10%的年轻人和也许30%的少年携带着

发表于:2019-02-17 / 阅读(53) / 评论(0) 分类 万物简史

Soon one of these new strains, called Methicillin-Resistant Staphylococcus Aureus, began to show up in hospitals. 过不多久,一种名叫抗甲氧苯青霉素葡萄球菌的新品种葡萄球菌开始在医院里出现。 Only one type of antibio

发表于:2019-02-17 / 阅读(51) / 评论(0) 分类 万物简史

Since then further research has shown that there is or may well be a bacterial component in all kinds of other disorders, 自那以来,进一步的研究表明,在所有别的疾病, heart disease, asthma, arthritis, multiple sclerosis, several

发表于:2019-02-17 / 阅读(50) / 评论(0) 分类 万物简史

With this ability to evolve rapidly goes another, even scarier advantage. 有了这种能力,另一种更加吓人的优势会很快产生。 Bacteria share information. Any bacterium can take pieces of genetic coding from any other. 细菌能共享信

发表于:2019-02-17 / 阅读(39) / 评论(0) 分类 万物简史

In 1997 scientists successfully activated some anthrax spores that had lain dormant for eighty years in a museum display in Trondheim, Norway. 1997年,科学家们成功地激活了已经在挪威特隆赫姆博物馆休眠了80年之久的一些炭疽

发表于:2019-02-17 / 阅读(70) / 评论(0) 分类 万物简史

48 Bacteria Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter: a pinhead is about a millimeter across. Rod-shaped bac

发表于:2019-02-17 / 阅读(74) / 评论(0) 分类 双语有声阅读

A lot of people love that fresh-dirt smell. The surprising thing, though, is that it isnt coming from the dirt itself. Microbiologists have traced the pleasant odor to an organic chemical called geosmin. A microbial geneticist named Keith Chater at t

发表于:2019-02-23 / 阅读(74) / 评论(0) 分类 英语时差8,16