This list is just for illustration; it is incomplete. 这个列表仅仅是一个例子,它是不完整的。 The list on the right is also incomplete. 右边的列表也一样不完整。 It's a list of types of pathology that are age-related, 它们

发表于:2018-12-05 / 阅读(66) / 评论(0) 分类 TED演讲科学篇

Paul Rothemund正在编写一种特殊的「密码」以使DNA能自己排列成星形、笑脸及其他图案。您会为之感到震惊,但您所看到的只是分子自我排列组合的小型表演,它实际上揭示了未来制造出各种东西

发表于:2018-12-09 / 阅读(82) / 评论(0) 分类 TED公开课:头脑游戏

Why does your mouth feel like it's on fire when you eat a spicy pepper? 为什么吃辣椒时嘴里像是着了火一样? And how do you soothe the burn? 怎样才能缓解这种灼烧感? Why does wasabi make your eyes water? 为什么芥末酱能

发表于:2018-12-18 / 阅读(51) / 评论(0) 分类 TED演讲教育篇

The Secret of Life in the Pub 克里克和沃森[qh]The names of James Watson and Francis Crick are bound together forever because the scientific discovery they made was truly a joint enterprise,Watson and Crick were the first to describe the struc

发表于:2018-12-18 / 阅读(65) / 评论(0) 分类 走进剑桥大学

And every single part of this mechanism is actually plausible in biology. 实际上,这个机制的每一个步骤在生物领域中都是可行的。 In other words, I've taken off-the-shelf components, and I've made a spectroscope. 换句话讲,我

发表于:2018-12-19 / 阅读(41) / 评论(0) 分类 TED演讲教育篇

As it ages, white paper turns distinctive of yellow, but why? To find out, scientists artificially aged modern paper to rebuild the changes on the molecular level, the researchers in the Journal physical review of letters, for 48 days, 3 unpleached p

发表于:2018-12-24 / 阅读(55) / 评论(0) 分类 Scientific American(四)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Understanding all the genes and molecules involved in human disease is quite a challenge. Thats why scientists study model organisms, like flies and worm

发表于:2018-12-24 / 阅读(93) / 评论(0) 分类 Scientific American(三)月

As it ages white paper turns a distinctive yellow. But why? To find out, scientists artificially aged modern paper to reveal the changes on the molecular level. The research is in the Journal Physical Review Letters. For 48 days, three unbleached pap

发表于:2019-01-08 / 阅读(76) / 评论(0) 分类 Scientific American(四)月

This is Scientific American 60 second Science, I am Sophie Bushwick, got a minute~ Theyre called hydogels: Jell-O-like materials made of networks of long-chain molecules in water. And theyre as flexible as living tissue. But hydrogels could not recov

发表于:2019-01-08 / 阅读(99) / 评论(0) 分类 Scientific American(三)月

英语新词:这些cle/ule后缀单词 你理解对了么? 以cle或ule后缀的名词常表示 small (小的) 含义。 article n. 文章;物品;条款;[语] 冠词。 circle n. 循环,周期;圆;圈子;圆形物。 cubicle n. 小卧室;

发表于:2019-01-14 / 阅读(464) / 评论(0) 分类 英文语法词汇

Take a look out your window, put on your glasses if you wear them. 向窗外张望一下,有必要的话,戴上眼镜。 You might want to grab a pair of binoculars, too, or a magnifying lens. 也许你还想拿副望远镜或是放大镜。 Now,

发表于:2019-01-17 / 阅读(56) / 评论(0) 分类 TED演讲教育篇

As liquid water, these molecules are engaged in a constant and random square dance that is called the hydrogen bonding network. 作为液态水,这些分子从事着恒定而随机的被称为氢键网络的方块舞。 Entropy favors keeping the s

发表于:2019-01-17 / 阅读(47) / 评论(0) 分类 TED演讲教育篇

Why does salt dissolve in water but oil doesn't? 为什么盐可溶于水而油却不行呢? Well, in a word,chemistry. But that's not very satisfied, isn't it? 总的来说,是化学作用。但这并不令人满意,对吧? Well, the reason

发表于:2019-01-17 / 阅读(57) / 评论(0) 分类 TED演讲教育篇

How many people here are 40 years old or older? You're afraid to admit it now. 在座的有多少人已经四十多岁了?你不想承认了吗? This initial step into the disease, this presence of amyloid plaques accumulating, can already be fou

发表于:2019-01-18 / 阅读(56) / 评论(0) 分类 TED演讲国际问题篇

Science and Technolgy 科技 Social science 社会科学 Wisdom about crowds 关于群体的思考 To model the behaviour of humans en masse, treat them as people, not molecules 在为人类的全体活动建立模型时,要将他们看作是人,而

发表于:2019-01-26 / 阅读(82) / 评论(0) 分类 经济学人科技系列

Science and Technology 科技 Combating addiction 打擊毒瘾 Can a vaccine stop drug abuse? 疫苗能阻止药物滥用吗? It may be possible to vaccinate people against addictive drugs 人们也许能通过疫苗来阻止成瘾药物的使用 T

发表于:2019-01-26 / 阅读(93) / 评论(0) 分类 经济学人科技系列

MOSCOW, April 8 (Xinhua) -- Russia's secret service confirmed Tuesday that Doku Umarov, listed as a terrorist by both Russia and the United States, had been killed in an anti-terror operation. In the first quarter of 2014, the activity of Umarov, the

发表于:2019-01-30 / 阅读(65) / 评论(0) 分类 英语新闻

科学技术 Combating addiction 打击毒瘾 Can a vaccine stop drug abuse? 疫苗能阻止药物滥用吗? It may be possible to vaccinate people against addictive drugs 人们也许能通过疫苗来阻止成瘾药物的使用 THE idea of vaccin

发表于:2019-02-05 / 阅读(108) / 评论(0) 分类 经济学人科技系列

ISTANBUL There have been more clashes in Turkey's capital, Ankara, between anti-government protesters and security forces, as civil unrest in the country continues. The prime minister condemned the protesters and called for calm. Protests are also co

发表于:2019-02-08 / 阅读(69) / 评论(0) 分类 英语新闻

[1] The worst may be over in the Northeast as a strong winter storm is tapering off. Already, more than 21 inches of snow has fallen in New York. Crews at airports from Philadelphia North are now trying to clear the runways. [2] The shows are going o

发表于:2019-02-11 / 阅读(130) / 评论(0) 分类 美联社新闻一分钟2010(三月)