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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

单词figure 联想记忆:
Three Billboards Outside Ebbing, Missouri
n. 临时工
May you have the best New Year ever.
A strong performance in all four rankings for LBS includes first place for its full-time MBA programme and third for both its joint Executive MBA programme (taught with Columbia Business School in the US) and customised executive education.
Taken together, these events and strategic initiatives highlight the Chinese aerospace industry’s realization that, in order to become a globally competitive player, it will need depth as much as breadth. After getting their hands on both ends of the value chain—aircraft design and final assembly—the Chinese now understand that what will make or break their industry over the long term is what happens in the middle of the value chain, at the component and subsystem levels. And that is why China’s ambition to compete with Boeing and Airbus, as well as with GE and Rolls-Royce for aircraft engines, is now more credible than ever.

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.

A series of explosions on Aug. 12 that originated in a warehouse illegally storing hazardous chemicals in the port city of Tianjin killed 173 people, injured hundreds and left behind post-apocalyptic scenes of destruction. The blasts raised serious questions about the lax enforcement of safety regulations during China's rapid industrialization.
A 9.1-percent drop in the annual average density of fine particulate matter (PM2.5) was seen in 74 major cities.
Ask questions immediately if you don't understand something. If you're in the front row and have been making eye contact, your instructor probably already knows by the look on your face that you don't understand something. A polite raising of your hand is all you need to do to indicate you've got a question.
If Lloyd Grossman were to go through the keyholes of Oscar winners’ houses, he would find their golden statues in various spots: from prime real estate such as the mantelpiece to the depths of cupboards collecting dust.
vt. 作 ... 姿
Celebuzz has pulled together some of the best snaps of celebrities who go pumpkin picking.Have a look now in the gallery above, then tell us: Are you ready to celebrate Halloween on Wednesday?
n. 董事,经理,主管,指导者,导演

4.Autonomous Cars
岁数最小的富豪是来自挪威的企业继承人亚历山大·安德森,她今年只有19岁。亚历山大20岁的姐姐是岁数第二小的上榜富豪。
n1Asz=a]JQ2
在不久的将来,罗根(休?杰克曼饰)已迈入暮年。他在墨西哥边境附近的一个藏身所里照顾着重病的X教授(帕特里克?斯图尔特饰)。他计划隐世度日,但他遇见了一个非常像他的年轻变异人劳拉(达芙妮?基恩饰)后,这个计划搁置了。罗根必须保护这个女孩,与要捕杀她的黑暗势力斗争。
愿明亮喜庆的新年烛光温暖一年中的每个日日夜夜,祝你欢欢喜喜度新年!
SplashData发布这份榜单是为了鼓励大家使用复杂的密码。摩根·斯兰还说道:“和往常一样,我们还是希望通过了解使用简单密码存在很大风险,大家能设立比较严谨的密码来保护自己,并在不同的网站上使用不同的密码。”
It has now entered the top 20 for the first time.
For: The Los Angeles Critics Association gave it their top prize.
"We're excited to have these talented artists showcase the powerful contribution music makes to filmmaking," the show's producers Michael De Luca and Jennifer Todd announced in a statement on Friday. "It's a privilege to welcome them to the 90th Oscars stage."
Mark Williams, chief Asia economist at Capital Economics, adds: “We expect that the performance of EM exports will continue to improve in 2017, with export values rising modestly in year-on-year terms.”
11. Am I dwelling on the past? It is very tempting and almost involuntary to look back on the past and obsess over something we regret or something we miss. Learn to let go and only focus on what’s happening right now, and on the choices you will make today.
Nobel economists like Joseph Stiglitz, environmental activists like Bill McKibben, George Soros and the Institute for New Economic Thinking, politicians like Al Gore and other modern thinkers all warn us that traditional economists (and the banks, businesses and government agencies they work for) are addicted to bad economic theories, And they're sabotaging America's future.
May your New Year be filled with special moment, warmth, peace and happiness, the joy of covered ones near, and wishing you all the joys of Christmas and a year of happiness.愿你的新年充满温馨,祥和,与亲人团聚的快乐,祝乐陶陶,新年乐无限。
2. You've suddenly become a Twitter thought leader。
The school ranks first for alumni satisfaction.
NASA and the other American agency that maintains long-term temperature records, the National Oceanic and Atmospheric Administration, issued separate data compilations on Friday that confirmed the 2014 record. A Japanese agency had released preliminary information in early January showing 2014 as the warmest year.
[di'zain?]
You're networking – yes! But you're networking so thoroughly within your industry that word gets back to your boss. "The world is small," says Andrea Kay, career consultant and author of "This Is How To Get Your Next Job," so this kind of thing does happen. When sharing your résumé and other job-search materials with new and old professional contacts, explicitly state that your hunt is confidential, Foss says。
Academics appear to be more interested in the cryptocurrency than ever before. There were 190 white papers published on bitcoin in 2014, up from 55 in 2013. Authors—amateur or otherwise—have also flocked to bitcoin: Amazon lists 437 books about or involving the term “bitcoin” published in 2014, compared to 143 in 2013. (That is based on a subject search, and thus includes less hard-hitting titles like Bitcoin Bimbo 3: Undercover Cop Science Fiction Erotica.) And sports fans this year may not have been able to ignore the inaugural Bitcoin St. Petersburg Bowl, a college football playoff game between North Carolina State and the University of Central Florida. ESPN quickly convertedBitPay’s $500,000 rights fee for the game into U.S. dollars.

与无锡接近的涨幅第二的城市是湖南省省会长沙,该市环比涨幅为4.5%。
澳大利亚管理研究生院的一名毕业生表示:“最初,我对攻读在线课程颇有疑虑,但沟通和在线互动非常棒。”
我们进行一个比较,佳士得和苏富比的这两次18世纪前绘画大师作品拍卖会共拍得2910万英镑,比五年前(2011年12月)类似拍卖会拍得的4420万英镑少了34%。
Based on the children's books that goes by the same name, this movie follows the adventures of Mowgli through the Jungle as he tries to discover himself. He comes across several creatures in the Jungle, played by various actors, who make his journey difficult.
After years of filming its iconic fashion show in New York City, Victoria's Secret has travelled to London, Paris, Cannes and Los Angeles, and for 2017 the global lingerie giant is heading to Shanghai.
The Post

微利时代来临 门窗行业的发力方向到底为何?

瑞士、瑞典、英国再次占据榜单前三名。全球创新指数25强经济体中,有15个来自欧洲。
The Brexit trade uncertainty
“这不是可持续的增长,因为它们并未被租出去,当地市场的喊价者们并不会购买。”
仅在2001年,全球就约有55.7万人被谋杀。而到了2008年,这个数据就减少了28.9万人。如今,全球的谋杀率已经下降了75%。
在全国商务工作会议上,高部长表示,至2015年底,“十二五”规划主要目标胜利完成,中国成为真正的贸易巨头。
During the same period, Braziland Russia slashed their holdings to USD 261.7 billion and USD 108.9 billion,respectively.
单词flimsy 联想记忆:
This compared to a decade ago when there were six Asian cities, 10 European cities and four US cities in the top 20 of the list that calculates living costs in 131 cities in 93 countries and is used by companies for costings when relocating staff.
另一方面,为什么捷蓝航空公司的航班在假日期间晚点率最高(高达22%)?首先,这家航空公司的飞机往返美国最繁忙的几个机场,包括纽约肯尼迪机场、拉瓜迪亚机场和纽瓦克机场。捷蓝航空公司也遇到了夏威夷航空公司在太平洋空域上遇到的相同问题。
Company: (Wonderbag) Natural Balance
本周二,高等教育研究机构Quacquarelli Symonds(QS)公布的最新《QS世界大学学科排名》显示,中国约有88所大学的学科进入全球400强。
出手阔绰的美国公司正迫使英国同行提高从新入行者到顶级风云人物的薪资——尽管这并未阻止富尔德(Freshfields)的私募股权明星戴维希金斯(David Higgins)在圣诞节前夕跳槽到凯易律师事务所(Kirkland & Ellis)。精品专业律所通过提供更快、更专注的服务来吸引客户。
Probably the most awaited movie of all time and a big one for all Batman and Superman fans. We know that Batman is going to defeat Superman, but we don't know how he's going to do so in Dawn of Justice.
We will promote the liberalization and facilitation of international trade and investment.
‘Law & Order: SVU’ This NBC ripped-from-the-soap-opera perils of Olivia (Mariska Hargitay) — psychopath rapist-stalker, tortured love affair, new baby — that took up so much air last season finally died down, and this season, the show’s 16th, the detectives got back to sex crimes à clef, including a Ray Rice-inspired episode about a star sportscaster who was seen on a surveillance camera punching the lights out of his wife.

Actress in a Mini-Series or Movie: Sarah Paulson, “The People v. O. J. Simpson: American Crime Story”
WORST USE OF SOCIAL MEDIA
The Magic are the single-most mystifying team in this entire exercise. They make little sense on paper or on the court.
The report by iResearch Consulting Group and Sina Weibo, China's most popular microblogging platform, was released at a forum in Shanghai, co-organized by Weibo and telecom giant Huawei .
这是一次及时的预警。他写道,自己的研究结果“表明,随着美联储继续实施利率正常化,未来几年新兴市场爆发危机的风险将加剧。”
鉴于《速度与激情7》定于2014年夏季在各大院线上映,“巨石强森”将再次迎来丰硕的一年。凭借影片《海格力斯》(Hercules)他还可以做得更好。该片讲述的是这位神话英雄在完成其著名的12件苦差后的生活,极有可能拍摄续集。如果该部影片也能取得巨大成功,那么约翰逊在2014年将获得丰厚的票房收入。
时间:2009-10-26 编辑:vicki
v. 引诱,吸引

About this series

Since 2001, I’ve helped direct an annual 杭州家居行业拐点来了 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.

Barney Thompson is legal correspondent
尽管英国商学院的排名平均上升了两位,但法国商学院的排名平均下降了一位——法国是商学院数量最多的欧洲国家。里昂商学院(EMLyon Business School)由于跌出MBA榜单之外,整体排名下降了15位,同时北方高等商学院(Edhec Business School)由于未能进入EMBA榜单,整体排名下降了8位。
“Obviously, a single year, even if it is a record, cannot tell us much about climate trends,” said Stefan Rahmstorf, head of earth system analysis at the Potsdam Institute for Climate Impact Research in Germany. “However, the fact that the warmest years on record are 2014, 2010 and 2005 clearly indicates that global warming has not ‘stopped in 1998,’ as some like to falsely claim.”
In a blog post announcing the deal, Mr Cahan said although mobile devices were shifting our daily routines, “most articles and web pages were formatted for browsing with mouse clicks. The ability to skim them on a phone or a tablet can be a real challenge – we want easier ways to identify what’s important to us.”
孙轶潇表示,他曾想撬开电梯门,但是他放弃了这个想法。相反,考虑到电梯出了故障可能会自由下坠,他选择背靠电梯。
As of mid-July, there were about 50,000 stores running on Bigcommerce, which have collectively sold close to $4 billon using the platform. The developer has typically added new customers one-by-one. However, a deal it struck in early July with eBay positions its service as the preferred migration path for two Magento products that will be discontinued in February 2015, Go and ProStores. Bigcommerce previously migrated more than 5,000 merchants off ProStores, and the deal could potentially bring up to 10,000 more.
The result doesn't look much like a nose—it's a bottle filled with liquid nutrient that cultivates bacteria. But give the “nose” a blood sample and let it sniff for a few days, and the bottle's dots will change color to indicate what bacteria, if any, it identifies.
这是中国首次占据榜单前三甲以及在前10强中占了5名。中国工商银行连续两年占据第1名的宝座,中国建设银行次之,而且中国农业银行向上移动了5名成为第3名。这三大银行与排在第9名的中国银行一起跻身前10强,中国银行是“四大国有银行”中的另一个成员。
adj. 娴熟的,有造诣的,完成的,有成就的,毫无疑问的
包括中国移动、阿里巴巴和腾讯的16家中国企业进入了该榜单的前100名。
Before long, Russell fell in love with inmate named Phillip Morris. After Morris was released, Russell again escaped prison by calling the clerk's office, impersonating a judge and drastically reducing his own bail. He was caught and escaped two more times to be with Morris, at one point faking his own death. He is now serving a life sentence but admits to finding his film portrayal pretty exciting.
在周某投毒之后,他的一名唐姓同学发现了饮水机的水呈乳白色,还有一股刺鼻的气味。
The pace of innovation has been rapid. Fitbit has released five or six distinct models since the company launched in 2008, and Samsung released three or four variants of the Galaxy Gear in a nine-month period. Sony SNE 0.77% , Pebble, Google, and Facebook’s FB 0.25% Oculus Rift are positioned to follow.
remembrance
[f]

China’s tourism administration issued a notice on Friday confirming reports that Chinese travellers had been denied entry to South Korea’s Jeju island in recent months for holding incomplete travel documentation. It reminded citizens to “select travel destinations with caution”.
v. 构成,把 ...
会。梅因为失算的提前选举而失去了大部分权威。但过去几个月情况对她较为有利。敲定退欧离婚协议,确保了她的饭碗短期无忧。因此直到2019年英国退欧正式完成(或者另一种更吸引人的替代方案出现)前,保守党将让她继续坐在首相位置上。留欧派和退欧派都希望避免因反对她而引发内战。事实将证明,曾经被人们认为是坐不长的位置,意外地能够坐久。
n. 污染,污染物
Yunge from the Desert is based on an online novel with the same title by Tong Hua. It is about love triangle of a girl named Yunge, a nobleman, and the emperor in the Han (206BC-220AD). Nearly premiering in the same month as Nirvana in Fire, Yunge was much outflanked by the latter. It was criticized for its poor knowledge of history. To some audiences, charming Angela Baby herself became the only appeal of the adaptation.
乔斯的母亲因玛·克萨达在接受《西班牙日报》采访时表示,她的儿子想要给自己的乐队“Los Salerosos”(大意为“冒失鬼”)购买乐器。他在乐队里担任小号手。
“我跟她很像,我们真的就像一对老夫妇。”
At present, 15 Chinese cities allow a 72-hour visa-free entry for nationals of certain countries. Shanghai, Jiangsu and Zhejiang offer 144-hour visa-free stays for international transit passengers from certain countries.
Though the Dutch financial markets then had none of today’s technology, they employed many of the same practices that traders use today. Investors bought securities, sometimes borrowing money with loans secured by the shares they were buying. In today's language, they bought shares on margin. Lenders protected themselves by demanding a “haircut” – collateral in cash or securities that exceeded the loan amount by a specified percentage. If the value of the securities dropped below that specified percentage, the lender would demand that the investor put up additional money to stay in line with the haircut. If the investor couldn’t come up with the added margin, the lender was entitled to liquidate the securities and recoup the loan amount.

Those falls came despite a rise in insurance premium income of 37.3 per cent year-on-year to Rmb1.88tn, while total assets reached Rmb14.27tn, up 15.4 per cent.
This year's new college grads entering the workforce are being offered an average monthly salary of 4,014 yuan ($582), and about one-third of them chose to work in first-tier cities, according to survey results released by zhaopin.com, a Chinese online recruitment service provider.

IFAD的政策顾问、这篇报告的作者佩德罗·德·瓦斯孔塞卢斯称:“这确实是一个全球性的现象,由于缺乏机会,人们不得不背井离乡,出门打工养活家人。”
The block chain has such rich potential that there is an initiative underway to create additional “side chains,” though there is controversy around that idea. “We don’t really want to mess with the main block chain right now,” says Adam Ludwin, CEO of Chain, a block chain API that makes it easier to create bitcoin applications. “It works, we don’t want to break it.”
“It is an area where clearly the fundamentals are slowing down,” he says. “I sold down a little bit, then the whole correction happened very quickly, so I waited for a rebound and sold there.”
补救办法:当我们在做出重大决定时,例如接受(或拒绝)工作邀请时,我们往往会受到信息性偏见的影响。如果我们认为自己做出了正确的选择,就首先会想到那些支持这种想法的信息。但如果我们担心自己犯了错误,我们的潜意识就会增强这种直觉。在做出工作的决定时,如果你习惯性地怀疑自己的能力,这个问题不在于你以前所做的职业选择是否正确,而在于你需要建立自信,相信自己有能力选择让自己满意的职业,并对结果有一定的把握。若要解决这个问题,需要回忆你在做出这个选择时所处的环境和当时你所优先考虑的因素,然后看看现在所处的环境和优先考虑的因素是否发生了变化。此外还要与职业顾问合作,理清工作决策,帮助你增强进入新领域的信心、承担风险和谈判的能力。
[slaut?]
7. “The Kindergarten Teacher” In his tough, weird knockout, the Israeli director Nadav Lapid spins the story of a teacher’s obsession with a child poet to create a savage portrait of fanaticism and its costs.
如果这个目标真的能够实现,届时特斯拉的规模将超过林肯(Lincoln)和保时捷(Porsche)等豪车品牌的美国分支。这两个老字号豪车品牌都有更多样化的产品阵容、长期的经销商网络、成熟的营销和广告策略。特斯拉如果真的能卖出预期的数字,那么其销量的半数将来自现有的Model S轿车,其它一半则来自明年年初才会量产的Model X七座跨界车。
单词flimsy 联想记忆:
6. You dressed 10 times nicer than usual yesterday。
除了要符合质量标准之外,进口商品还必须按中国规定正确标注。
由于净利润增长缓慢,我国16家上市银行削减了去年的分红。
《被撕破的芭蕾舞鞋和突变的生活》(Torn Ballet Shoes, and a Life Upended)
A total of 1,300 fugitives suspected of economic crimes, 347 of whom were corrupt officials, returned to China from abroad to face justice last year, according to the country's top discipline watchdog.
在收入最高的大学毕业生中,科学和工程领域占据了主导地位,其中软件工程、生物科学和电子信息工程是最赚钱的专业。
Company: Project Frog
The third gunman, Amedy Coulibaly, who stormed a kosher supermarket on Friday,never left for such training, said Valls.
你翻上去找第十二条,然后默默地笑自己....
1.无叶风扇
Financial advisors and asset allocators who had been hoping to see some benefit this year from tactical strategies were also not spared the punishment of a capricious market. Of the top three tactical strategies in the country (Mainstay Marketfield, Good Harbor U.S. Tactical Core, F-Squared Premium AlphaSector Index), two had nearly imploded with double-digit losses while the third found itself under SEC investigation for misleading the public about its historical returns. The other giant tactical manager, Schwab’s $9 billion Windhaven Diversified Growth product, looks to end 2014 with a return close to zero. So much for tactics.
不过在这一通胡闹之余(主持人蒂娜?费举杯道:致这个美好的混乱之夜),本届金球奖(Golden Globes)颁奖典礼还是清醒地把多项重要大奖颁给了各个夺奖热门。戴维?罗素(David O. Russell)电影作品《美国骗局》(American Hustle) 揽入包括最佳喜剧片在内的三项金球奖,成为当晚最大赢家。历史剧情片《为奴十二年》(12 Years a Slave)虽在另外六个竞赛单元中失利,但最终斩获了最佳剧情片奖。
ar一再,rog要求-一再要求-傲慢的arrow ant:一个想射箭的蚂蚁-傲慢自大的
Lots of managers recalled extreme etiquette errors. The applicant
South Africa's leader Jacob Zuma got a 4% raise in March, but his salary in dollar terms has actually dropped compared to last year, because of the fall in the south African rand.
简言之,无叶风扇就是没有叶片的风扇。它的工作原理是先将空气吸入风扇基座内部,然后通过扇头环形上的洞将空气吹出。这款风扇据说是詹姆斯·戴森发明的,并命名为"气流倍增器"。就像可以飞行的喷气背包一样,无叶风扇被《时代周刊》评为"2009年度伟大发明"之一,同样它也不是世界上第一个无叶风扇。实际上,第一个无叶风扇于1981年被日本的东京芝区电力公司获得专利。尽管东京芝区电力公司的无叶风扇并没有用于生产制造,但詹姆斯的无叶风扇的原始设计与其设计相似,所以专利局拒绝授予詹姆斯这个专利。尽管授予东京芝区电力公司的专利已经过期,但在授予詹姆斯这项新专利之前,专利局需要他提供该设计的创新之处。詹姆斯的经理吉尔·斯密斯并没有否认这两种无叶风扇间的相似性,只是说两者间的差异在于所用"科技"不同。
Washington's twin-obsessions in election year 2010 will be to create jobs and cut the deficit. Little will be accomplished on either count.
赢家:小牛
门票很快销售一空,只是大多却不是落到铁杆球迷的手中。