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Reclaiming The American Dream VI: The (Other) Lessons of Khan Academy

Howard Husock
This article is more than 6 years old.

To say that Khan Academy has important lessons to offer is to state the obvious. The Mountain View-based internet teaching institution—which has grown from founder Salman Khan’s individualized YouTube math lessons for his 7th grade niece to a worldwide phenomenon—offers thousands of free, plain-spoken online courses, from algebra to biology. But there are even broader lessons to be taken from the astounding success of Sal Khan, winner of the Manhattan Institute’s $100,000 2014 William E. Simon Prize for Lifetime Achievement in Social Entrepreneurship. Indeed, the lessons extend well beyond education

It was visible in practically every brand that edged from the 1960s to 1970s for the season currently in stores, including Alberta Ferretti, Pucci and Etro.
镜头切换到《爱乐之城》的演员和剧组人员那里,他们高兴得抱成一团了,但大家可以听到比蒂好像在说:“应该是爱玛?斯通。”而唐纳薇回应道:“什么?”当《爱乐之城》剧组上台领奖时,可以听到旁边的舞台管理人员说:“哦……哦!天啊!他拿错信封了!”
I always judge the tank on actions and not by words. So, when teams say they're not in the tank and then run out a bunch of undrafted free agents while injuries to star players linger, that's when you know it's on.
5.Branding: 16.4 percent increase
'It's going to get volatile to the upside,' he said.
An independent gauge of China’s manufacturing sector edged lower in November, suggesting an uptick in activity at state-run companies did not extend to smaller and privately-owned factories.

The story of Khan Academy’s start and growth is dramatic. Sal Khan, New Orleans-born and MIT-educated, was working in the finance industry as a hedge fund analyst when, in 2004, he learned that his niece, Nadia, needed help with algebra. He began sending her his own clear, step-by-step illustrated lectures (Khan himself did not appear) via YouTube. That allowed other web users to use the same lessons. The teaching of Khan—a complete outsider to education or education reform—went viral, ultimately catching the eye of Bill Gates, whom Khan learned was helping his own children with lessons first meant for Nadia. Khan eventually attracted $15 million-plus in philanthropic support from the Bill and Melinda Gates Foundation, Google , venture capitalist John Doerr, and others accustomed to the idea that radical newcomers might be worth investing in. Such funding allowed Khan to give up his day job and start Khan Academy, with a forthright, undeniably ambitious goal: a free world-class education, for anyone, anywhere.

注册人数:不详
assured
自2004年抵达土星以来,卡西尼号宇宙飞船已经将土星、土星环及土星卫星的图片传送回地球。卡西尼号于9月完成使命,按计划撞向土星大气层中焚毁。卡西尼号在研究土星的同时,还探索了可能存在外星生命的土卫六和土卫二。它使人们更加深入地了解了太阳系,这种影响还将持续,科学家将继续对它收集的数据进行分析。
狄更斯在《双城记》中描写法国大革命时,距离事件发生已有近一个世纪。而我则是在今年12月就回顾盘点这一年。因此,我在此描述的某些趋势,可能将在可预见的未来继续存在,而另一些趋势则可能已经开始减弱。作为当今时代“最哗众取宠的权威人士”之一,我只要求各位在阅读这篇评论文章时记住一点:过去的业绩并不能保证将来的表现。
干得漂亮!在不到20个词的一句话里,eBay集前五届冠军之长,做到了啥也没说。怀着沉重的心情,我将2016年度金废话奖总冠军授予eBay。
一些深受喜爱的电视剧角色就像老朋友一样存在于我们的生活中,并对我们产生翻天覆地的影响。我们为之捧腹大笑,也为之潸然泪下,甚至不惜撒谎请假,只为能够端坐在电视机前得知他们的最新进展。自始至终,我们对他们如痴如醉。但是还有很多东西是观众无法从银幕上得知的,比如隐藏在这些电视剧中的小秘密。下面就是一些受人追捧的电视剧的幕后故事。
这个所谓的“百万富翁的游乐场”现已向所有人敞开怀抱。经济型的酒店、家庭旅馆以及带有自助厨房的公寓,都使得塞舌尔之行不再价格高昂。塞舌尔由100多个散布在印度洋上的岛屿组成,这里有多种多样的娱乐活动供您选择,诸如沙滩浴、钓鱼、潜水、航海和乘船游览。塞舌尔群岛一年四季的热带气候可谓得天独厚,所以你随时都可以开始你的塞舌尔之行。

Enrollment: 424
Facebook CEO Mark Zuckerberg
A thin line separates confidence and delusion, and Kobe Bryant is straddling it. It's the only conclusion one could reach after judging the Los Angeles Lakers star's comments Tuesday after he tied the worst shooting performance of his career in any game in which he attempted at least five shots.
adj. 被识别的;经鉴定的;被认同者 v. 鉴定(id
如果你想把内容写作工作的一部分或全部外包出去,那么你首先要确保你获得的内容是原创的。你可以把内容粘贴到CopyScape的分析工具,然后就能立刻知道这些内容是否为原创。
“The environment is gaining increasing appreciation from policymakers,” Alistair Hewitt, head of market intelligence at the World Gold Council, said. “Gold mining has come under tighter regulations.”
10月中国出口同比下降6.9%,较上月3.7%的降幅有所恶化。疲弱的全球需求和中国成本上涨导致过去10年期间从中国大量流向世界的廉价商品减少。
我们都将直上天堂,我们都将直下地狱
“写这本书的一大挑战是异性恋男人能改变一个女人的生活并使她死心塌地的看法。”
埃伦?约翰逊?瑟利夫2005年成为非洲第一位民主选举产生的女总统。挪威诺贝尔和平奖委员会赞扬她打破种族和宗教界限,帮助结束了利比利亚的内战。
萨拉考林斯
A candidate's age is no gauge of their effectiveness, Sonneborn tells PEOPLE, saying that despite Donald Trump being the oldest person elected to the U.S. Presidency, “He tweets like a kindergartener.”
Goldman Sachs will pay out big bonuses, be publicly vilified for a month and then go quietly back to printing profits.
时间:2011-03-08 编辑:beck
The American Film Institute has picked its 10 best movies and TV shows of the year. The titles, presented in alphabetical order, are works AFI's juries have determined advance the art of the moving image, enhance the cultural heritage of America's art form, inspire audiences and artists and make a mark on American society.
时间:2011-02-16 编辑:beck
揭露好莱坞流氓的女星发起了MeToo行动,意在揭露高层性侵女性事件,表示性侵者都是“失败者”。
PRRI research director Daniel Cox said that some respondents - including 75 percent of non-white Protestants - believe extreme weather is both evidence of end times and the result of climate change.
我经常生气

In the past five years, China's exports of goods grew at an annual average of 6.5 percent, with its share in the global market rising form 10.4 percent in 2010 to about 13.2 percent in 2015, faring much better than major global economies. Service trade grew over 13.6 percent each year, marking the world's second largest service trader.
与工商管理硕士(MBA)不同,管理学硕士项目针对的是尚未进入职场或者初入职场的人士。
土耳其部长们近来一直在欧洲各地的土耳其社区举行集会,以争取海外土耳其人对埃尔多安发起的宪法改革的支持——土耳其将于下个月就修宪举行公投。
10) You’re Right: Want to get someone’s attention? Tell him that he’s right. Once you yield the high ground, it’s much easier for the other party to swallow that the right plan and sentiment can’t always overcome the absurdities and restraints we face every day.
Gunmen kidnapped 18 Turkish workers Wednesday in Iraq's capital.
The company's stats also show that pop diva Whitney Houston's death in February attracted more interest than Kate.

刘志明:如何打造中国家居建材大数据舆情智库

玛戈特·瓦尔斯特伦(Margot Wallstrom)
'It's going to get volatile to the upside,' he said.
特朗普会发动美中贸易战吗?
adj. 易坏的,脆弱的,浅薄的 n. 复写纸,薄纸副本
It seems that Christmas time is here once again, and it is time again to bring in the New Year. We wish the merriest of Christmas to you and your loved ones, and we wish you happiness and prosperity in the year ahead.又该迎接新的一年了。我们向你及你的亲人们致以最美好的祝福,愿你在新的一年里事业兴旺,幸福美满!
4. Fiat. Brand love: -7% / Rank: 85
Chester Bennington
每个月,梦工厂(DreamWorks)的员工都能收到价值25美元的消费券,可在位于格伦代尔和雷德伍德城园区的“梦工厂打印中心”消费。由于只收取原材料费用,该工作室能以低价向员工提供各类服务,例如在贺卡上打印照片、制作个性化日历等。
flight
Tom Petty
n. 基金;资金,现金(fund的复数) v. 提供资金
Over the next few years, large residential buildings will have to comply with Local Law 87, which requires them to audit energy usage and keep systems running at peak efficiency. Residential buildings are the city’s largest source of greenhouse gas emissions, accounting for 37 percent of the total. “The one hot-button topic is energy. How do buildings become more energy efficient?” said Dan Wurtzel, the president of FirstService Residential New York, which manages more than 500 properties. “If a third of your operating budget is related to energy and you can now reduce that cost, you can take pressure off the need for a maintenance increase.”
Trium的学员重视与资深和国际高管一同学习的机会。一位学员表示:“它允许我们彼此交流(想法),获得和课程本身一样多的额外知识。”
4.Candice Swanepoel
“One employee’s parents contacted the company to let us know their son was resigning.

The import side of the equation fared worse in both renminbi- and dollar-terms.
9.澳大利亚贝拉林半岛
n. 批准,认可,同意,赞同
Despite the reported success of the Duke and Duchess of Cambridge's official visit to Canada back in September, timekeeping needs to be looked at for future trips.
《琅琊榜》的意外爆红让这部戏成为2015年秋季档电视剧中的翘楚。同样改编自网络小说(海晏著)的《琅琊榜》2015年9月首播。该剧由胡歌、刘涛等人主演,讲诉了才冠绝伦的谋士梅长苏为昭雪多年冤案进行的一系列斗争。虚构的人物和朝代让改编剧集巧妙地躲过了历史准确性上的责难。它精美的场景布置和无懈可击的故事情节受到了广大观众的一致好评。
《为奴十二年》导演史蒂夫?麦奎因(Steve McQueen)在登台领奖时说:我有点吓到了。然后他微微耸肩,引用片中福音歌曲的歌词,说了句“翻涌吧,约旦河,翻涌吧”("Roll, Jordan, roll")。
3.你老板从他认识的人那收到了你认识的人给的简历。
同时,罹患痛风的人升高了大约1/3,这个病在维多利亚时期的伦敦一度被视作“富贵病”,现在更倾向于认为与缺乏锻炼有关。

About this series

Since 2001, I’ve helped direct an annual “金九银十”开局不利 开发商迎偿债高峰期 recognizing top social entrepreneurs: those who develop effective, original approaches to dealing with social problems and who rely mainly on private funding and volunteers to see their ideas to fruition. They are leaders of America’s civil society, doing the things that government can’t do—or can’t do as well.

The EMBA ranking rates the best 100 programmes worldwide for working senior executives. The ranking is based on a survey of business schools as well as their students who graduated in 2012. The data measure how successful alumni have been in their career in terms of salary, seniority and achievements since graduating.
智能酒瓶
2016的很多电影都会有很好的票房号召力,但人们迫不及待想要观看的其实只有那么几部。
Technology is hardly a brand new phenomenon in the legal world — many firms now have partnerships with AI and machine-learning businesses, while some have set up their own “incubators” or invested in lawtech start-ups. But the trend has reached critical mass and will accelerate sharply in 2018.
你可能觉得夏威夷航空的运营相对容易,因为该公司的航班很少遇到美国大陆那种恶劣的天气条件。夏威夷航空公司在航班准点率排行榜上常年位居前列,在9月份最新公布的榜单上创下最高准点率。夏威夷航空公司最近宣布将把业务拓展到夏威夷岛外,开通从檀香山到北京的直达航班。
['?nim'pl?im?nt]
自从在2009年从榜单的第一位落到第五位之后,小甜甜布兰妮的排名继续下滑,随着嘎嘎小姐和贾斯汀 比伯这些新星的走红,布兰妮在2010年仅名列第十位。
Attractions: Europe’s underrated gem.
该报道表示:“乐天将伤害中国人民,后果可能是严重的。”该报道发表之后,中国政府对乐天在中国的商业集团开展了多起调查。
(G.I. Joe: Retaliation)以及两部小规模电影,加起来在全球的票房收入总计13亿美元。
If you've got children, I understand that this isn't always possible. Children should always come first. But if you don't show up for your classes, you're not getting that education we discussed in No. 1.
Zhou Qunfei from Lens Technology, the major touchscreen maker, ranks third on the list with a net worth of 45 billion yuan.
一个解释是,在金融业高薪领域工作的男性比例远远超过女性比例。三分之一的男性在私募、风险资本、投资银行或者并购以及对冲基金领域工作,而女性只有19%。
For generations, working-class whites were doubly blessed: they enjoyed privileged status based on race, as well as the fruits of broad economic growth.
《深红报》称,此次被取消入学资格的学生所在的私人脸书群组名为“哈佛饥渴猥琐资产阶级少年”。

10、《星球大战:侠盗一号》
2010 S&P 500 index (year-end): 1300
6Sweden
We will promote a steady increase in consumer spending.
n. 设计者
In 2002, Marc Cherry (the creator of Desperate Housewives) was watching the news with his mother in her home. The lead story on the news that day (and many days before) was the Andrea Yates trial. Andrea was on trial for drowning her five children in the bathtub. Marc turned to his mother and asked, "Could you imagine a woman being so desperate that she would murder her own children?"
available
动词last的现在分
重要的是要记住即使是工作空缺总数减少了,也有很多公司仍然在增加员工,而总数减少的原因仅仅是因为有些公司裁员人数比较多而已。

欧盟的美洲布局
Type D personalities usually have a low self-esteem and a great fear of disapproval and this is the primary reason that prevents them from opening up to others.

range
CONTACT: Debbie McNally, Lakes Sotheby’s International Realty, (612) 388-1790; debbiemcnally.com
Lawrence’s 2016 earnings dropped 11.5 percent from her 2015 total of $52 million. Forbes will release its list of the world’s highest-paid actors on Thursday. Last year Robert Downey Jr. topped the list with an estimated $80 million.
《维多利亚与阿卜杜勒》
Company: Eventbrite
Stand: Wal-Mart U.S. President and CEO Bill Simon pledged to hire veterans
Late last year, the World Health Organization declared that Zika virus was no longer a global emergency. But the disease’s effects on babies who may live for decades are only beginning to be understood. In northeastern Brazil, where links between the virus and birth defects like microcephaly were first detected, families struggle to give the best lives possible to stricken babies. Researchers hope to find clues about the virus’s effects on the fetus by studying pairs of twins in Brazil in which one was born with birth defects and the other was not.
他也是个妥妥儿的喜欢刺激事的家伙。
我们前面已经指出,我们已经能够让聋子听到声音,但是让盲人看见画面是更复杂的事情。当人们失去视力,他们的视网膜不再把光感受器的信号发送给大脑。为了制造人工眼睛,我们需要了解视网膜是如何取得这些信号,而这正是科学家尚未解决的关键之处。
The very best bosses I’ve seen are passionate about their work; they live and breathe their jobs and strive to do the best work possible. Yet at the same time, they have lives outside of work. They understand the need to balance family and work or play and work. And they set a good example of how to do that for their employees。
"Even though these two researchers worked independently of one another, the combination of Shapley's basic theory and Roth's empirical investigations, experiments and practical design has generated a flourishing field of research and improved the performance of many markets," the academy said.
Adriana Lima, 35, slipped into a figure-hugging white strapless number. The Brazilian model went for a simple and chic look, tying her locks up and wearing a statement necklace, which was dripping with diamonds.
在讲故事的时候,历史片和故事片各有所长,不过,时不时也会出现无法归入其中任何一类的电影。这些故事十分离奇,但字里行间又透着现实。这些电影非常有趣,观众却常常完全不知道,他们正在看的情节真的发生过。好啦,别猜了!读下去,你就能认识几个好莱坞的古怪剧本,都是受到狗血现实生活的启发。
Losing my future is not like losing an election or a few points on the stock market. I am here to speak for all generations to come. 失去未来不像落选选举或者股市浮动那么简单,我来到这里是为了将来所有的世代而演讲。
Song “Wind Blowing In The Wheat Field” (Li Jian and Sun Li)
12月份以美元计的进口同比增长3.1%至1686亿美元,而上个月修正后的增幅为4.7%(修正前为6.7%)。这一增长幅度大致符合3%预期中数。
The main culprit for the deceleration was food, though food inflation is higher than the overall index. Food prices were up 1.9 per cent in October, down from 2.7 per cent in September and 3.7 per cent in August. Non-food inflation ticked down 0.9 per cent from 1.0 per cent.
Enthusiastic supporters of the idea of a “universal basic income” for all citizens, meanwhile, will look to Finland where a trial is now well under way. In France, Emmanuel Macron will try to tread a delicate line in 2018 as he reforms the labour market, hoping to inject flexibility without increasing insecurity or incensing the unions.
结果发现,被要求画出单词的参与者能够更准确地记起这些单词。而且画本身的质量并不会对记忆效果有什么影响,帮助记忆的仅仅是“画画”这个动作。对于香蕉,画一个大概的轮廓和详细的画出每个细节,产生的作用是一样的。参与者们即使只是花上几秒来画画,也能在记忆结果上有显著提高。研究人员还计划进一步地引进更复杂的单词甚至观点表述来观察参与者记忆表述的准确度。
昨日,中国四大国有银行中的两家——中国工商银行(ICBC)和中国银行(BoC)——均报告称,2015年全年净利润增长低于2%。
汤姆·佩蒂
While the president emerged as the narrow winner on the night, the encounter, which was cordial and largely uneventful compared with the previous two debates, is unlikely to have much impact on the outcome of the election.
至于说比特币进入主流银行体系?卢德温表示:“据我们估计,现在距离知名金融服务公司采用比特币,还有很长的路要走。但是用不了10年那么久。而且一旦出现萌芽,其推广的速度之快将令人震惊。”(财富中文网)
中国的创新表现有所改善,在"创新质量"方面排名第17,这是个考量高校水平、科学出版物数量和国际专利申请量的指标。
除了作品被展示在谷歌主页,张天羽还获得了3万美元的大学奖学金。她所在的学校也将获得5万美元的谷歌教育科技拨款。谷歌还以她的名义向慈善机构捐赠了2万美元,用于给孟加拉的学校提供净水。
除了P2P贷款领域发展迅速以外,今年还涌现出一些网络银行和贷款机构——比如腾讯(Tencent)的微众银行(WeBank)、阿里巴巴(Alibaba)的网商银行(Mybank),以及蚂蚁金融(Ant Financial)的芝麻贷(Sesame Credit)。
但是,房地产经纪公司世邦魏理仕(CBRE)香港机构投资团队主管约翰?戴维斯(John Davies)说,价格下降应会让香港房地产市场变得更加可靠。“这个市场正在显示出机构投资者更了解的成熟市场的特征,”他说。