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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

The issues addressed in friends — relationships, careers, and friendship — continue to be relevant to today’s youth.
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。
该报道称,并没有老师和学生喝了有毒的水。
中国在朝鲜半岛问题上的立场是明确的、一贯的,坚持实现半岛无核化,坚持维护半岛的和平稳定,坚持通过对话协商解决问题。
万事达金融服务公司公布的2016年度报告显示,据预测,曼谷今年将接待2147万国际游客。
节目2 歌曲《中国味道》,凤凰传奇

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.

THE EFFECT OF RAPID CHANGE
demo人民+-ic…的]→人口统计的
Less than an hour ago the official manufacturing PMI for November came in at 49.6, the fourth consecutive month of contraction and below the 49.8 reading economists were looking for. Analysts at ANZ said, in relation to that PMI series:“With soft growth momentum and deflation pressures creeping up, we expect the authorities to further ease monetary policy and continue to implement an expansionary fiscal policy in order to prevent further slowdown of the economy in 2016.”
Ferreira added that while the entire Brazilian population has suffered during preparations for the World Cup, mostly because of big construction projects that have snarled traffic and extended already long commutes for the poor who live on the outskirts of cities, she feels like only the rich are reaping the benefits of the real World Cup experience.
Anne-Sylvaine Chassany
愿女儿的新年祝福带给你快乐。
courage(n 勇气)

纽约前市长迈克尔·R·布隆伯格(Michael R. Bloomberg)正在为抗击气候变化花费自己私人财产的数千万美元,他在一份声明中说,“全球气温稳步上升、如今破纪录地上升的问题,不是一个未来的问题。这是一个迫在眉睫的明显危险,对经济、健康、环境和地缘政治有重大的危害。”
欧洲专利局局长伯努瓦·巴迪斯戴利表示,中国公司专利申请量的增加,反映出中国加速扩张到欧洲、正成为一个知识型的全球创新型国家的事实。
巴西政府动用数十亿资金建立新球场或扩建现有球场已触发众怒,并导致票价飞涨,这是路人皆知的事情。对此,一些球迷抱怨,曾经负担得起的现场体验变得更加昂贵,想要去诸如马拉卡纳等传奇球馆的热情也变淡了。
Current prosthetic hands do little beyond filling the arm-shaped space between your body and the air. Sure, they can grasp things all right, and they help in balance, but they lack one of the human hand's most important abilities—the sense of touch. People with prosthetics can't detect if they're in contact with an object without looking at it directly.
“Why did this happen to my daughter?” she said. “There’s been so many deaths because of the guns. I don’t know how many people have to die.”
“温家宝总理强调指出,中国有效应对了全球金融危机的严重影响,经济保持稳定快速增长。因此中国成为全球第二大经济体,在五年内GDP几乎翻番。”Luis Schmidt Montes, Chilean ambassador
达福目前可能是最佳男配角的领跑者。
根据中国海关总署(General Administration of Customs)发布的数据,12月份以美元计的出口额同比减少6.1%至2094.2亿美元。这一跌幅比经济学家预期的中数多了2.1个百分点,也大于11月份修正后1.6%的跌幅(修正前该数字为增长0.1%)。
The ministry expects consumption to remain a strong force driving economic growth this year.
All but one of the other top 10 categories reflected public fascination with celebrities. Teen pop sensation Miley Cyrus was in third place in the search rankings and television personality Kim Kardashianwas not far behind at fourth place. They were followed by Lady Gaga at No. 5, actress Megan Fox in seventh place, with Justin Bieber, American Idol and Britney Spears completing the top 10. The iPhone stood out as the exception, coming in sixth.
It is not all bad news for buyers: Prices will still head north next year, but the pace will likely slow from a sprint to a saunter. “Prices can’t just keep going up, up, up on this steep climb,” said Pamela Liebman, the chief executive officer of Corcoran. “Buyers get a little fatigued.”
Yes — just. Democrats will regain control of the House of Representatives in the November midterm elections. Though they will not take charge until January 2019, they will waste no time preparing the House Judiciary paperwork. Mr Trump will label it a “witch hunt”. But another year of his surreal presidency makes it all but inevitable Democrats will campaign on a pledge to hold him to account. Whatever Robert Mueller’s investigation unearths before then is unlikely to turn enough Republicans against him.
评委会将奖项授予了来自东京工业大学的大隅良典,以表彰他在细胞自噬作用研究上所做的贡献。
Emma Morano
Mr Williams notes that early November data from the likes of Brazil, Vietnam, Taiwan and Chile suggests the picture has continued to improve since October.
?根据市长迈克尔?布隆伯格,报道的33个事故有10个发生在纽约,数字还有望上升。纽约的死亡是由于倒下的树木、电击和溺水。
Effective email marketing involves more than occasionally blasting out a newsletter. To build an effective email marketing strategy, you need a tool packed with functionality. MailChimp seems to be the best system out there, offering elegant, intuitive newsletter templates, advanced list segmentation features and marketing automation capabilities.
工业生产者出厂价格指数(PPI)通常被认为是中期通胀的代表,该指数仍留在负值区间,但下降速度有所放慢。
到现在第22部007系列片已经登场,邦女郎角色变迁,不过有一点我们可以肯定,无论007电影怎么拍,邦女郎总会漂亮性感、聪明高贵而且越来越有内涵。这是007电影过去、现在乃

雷文斯克罗夫特认为,如果他成为一名管理顾问,他的视野可能会相对狭窄。教学工作也有助于他变得愿意承担风险——这来之不易。“如果你曾站在30名会毫不犹豫地指出你的错误的青少年面前讲课,这种体验可能会让你变得愿意去尝试。”
He Fan, economist at Caixin, said:“This shows that the macro economy has moved further toward stable growth and the economic structure is improving. Future fiscal and monetary policies must be coordinated and large-scale stimulus should be avoided as much as possible.”
Everyone was hugely cheered that global greenhouse gas emissions were flat between 2014 and 2016, even though recorded global growth was OK. The trouble is that this wasn’t the improvement in global economic efficiency everyone celebrated, but just a slowdown in northern China. As this part of the world recovered its economic mojo in 2017, carbon dioxide levels began to rise again.
财新经济学家何帆表示:“这表明宏观经济已进一步趋稳,经济结构正在改善。今后必须协调财政政策和货币政策,尽可能避免大规模刺激。”
两种颜色!也许它听起来不算重大变革,但一切都是相互关联的。要知道:这不是因为优柔寡断,而是因为社会进步。不管怎样,这是潘通的立场。
Of the large land areas where many people live, only the eastern portion of the United States recorded below-average temperatures in 2014, in sharp contrast to the unusual heat in the West. Some experts think the weather pattern that produced those American extremes is an indirect consequence of the release of greenhouse gases, though that is not proven.

从手工作坊到高端“智造”东莞家具业加速转型

Hope you enjoy the happiness of New Year and all the trimmings.
Belgium, for example, has less than a tenth of the population of Russia, its rival in the group stage, but is regarded as a far greater threat. And then there is Uruguay, which despite fewer than 4 million citizens -- barely a sixth of the population of greater S?o Paulo -- is one of the teams Brazil would least like to meet on its way to the final. How is this so?
反对:影片可能太过非主流,不具有获得大奖的影响力。
《风流医生俏护士》首播时,鹰眼和诱捕者这两个角色原本同等重要,也正是在这样的条件下,韦恩·罗杰斯才同意扮演诱捕者约翰。然而,当艾伦·艾尔达开始对这个角色进行改动并对整个剧情走向产生更大影响时,鹰眼使诱捕者这一角色黯然失色。
单词lace 联想记忆:
去年上海浦东国际机场通报的准点率最低,该机场仅有52.4%的航班准时起飞,平均延误时长为48分钟。
Headquarter shifts: With Toyota leaving for Texas and Mercedes headed toward North Carolina or Georgia from New Jersey, look for Subaru to chart its own path when it builds its new headquarters. One option: Moving closer to its customers by relocating in Vermont.
French authorities said in December that they have dismantled about a dozen networks that were sending people to fight in Iraq and Syria.
Stanford Graduate School of Business in California rises from fifth place in 2016 to second, a position it last held in 2014. The Wharton School of the University of Pennsylvania is in third place.
rough
“有个人在Facebook上公开辞职。”
As we get closer to relegating 2014 to the history books, your local stock market guru most likely couldn’t be happier to see those books slammed shut.
6.伯利兹城
John Williams's classic score still raises goosebumps over 40 years after this summer blockbuster hit theaters. Jaws preys on our primal fear of the unknown in deep waters, showing a small beach town ravaged by a series of attacks from a single killer shark. In recent years, environmentalists have stressed the generally nonthreatening nature of sharks, which kill an average of just eight swimmers each year.
I like a miniskirt and maxi-dress as much as the next woman; they are, generally, flattering and easy to wear. And there’s no question that seeing them on Megan and Company was a potent reminder.

中公教育表示,周二报名的岗位中最抢手的是位于北京的中国就业培训技术指导中心的职位,已有1430人报考了该职位。
We were all going direct to Heaven, we were all going direct the other way
这次奠基之战借鉴了查克·温柏和拳王阿里的比赛,这个无名小卒温柏成了在阿里的职业生涯中击倒过他的区区4人之一。和电影里一样,温柏与阿里打了15回合,尽管他看起来(感觉也)像被卡车撞过。虽然他和洛奇最后都被对手技术性击倒,但温柏胜在启发了史泰龙塑造这个了不起的角色。
Interbrand的全球首席执行官杰斯·弗兰普顿表示:“苹果、谷歌和可口可乐是世界上最有价值的品牌。因为他们的财务实力雄厚,品牌具有强大的号召力,这是其竞争对手无法比拟的。”
在考辛斯被交易后,接近一半国王队名单上的球员都应被清洗,然而并没有。很好。带上Buddy Mania,球馆里还有很多空座位可以挑选。
同时,根据这一最新调查显示,2015年我国男女比例的差距也有所缩小。从性别构成看,男女人口性别比例已由2010年的105.2降至去年的105.02。
Several South Korea-linked entities have already felt Beijing’s wrath in response to the Thaad plans. Chinese state news agency Xinhua last month issued a stark warning to Lotte, one of South Korea’s biggest companies, for giving up land on which the Thaad platform will be hosted.
10月份,中国社会消费品零售总额增长放缓。另一方面,尽管上月出口走弱,中国规模以上工业增加值和全国固定资产投资增长仍大致保持平稳。

About this series

Since 2001, I’ve helped direct an annual 10月东莞房价创年内新高 销售均价9500元/平 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.

2010 10-year Treasury yield (year-end): 5.0%
"It sounds like Harvard is intruding too deeply into the private lives of students," said Dershowitz, who has represented a series of high-profile clients, including OJ Simpson.
像考辛斯这样的超级球星以低廉的价格空降新奥尔良,并不只会帮助鹈鹕在新奥尔良雕刻出更大的运动景观,而且也是杰出的第一步。
不过,我不在叹息之列。
The Magic are the single-most mystifying team in this entire exercise. They make little sense on paper or on the court.
Summly was backed by Horizons Ventures, the venture capital arm of Hong Kong billionaire Li Ka-shing, and other tech and media names including actors Ashton Kutcher and Stephen Fry, Spotify’s Shakil Khan and Zynga’s Mark Pincus .
2010财年,这家超级零售商可抱怨的地方不多。利润增加,而且由于销售额增长,该公司再次攀升至《财富》500强的冠军。今年沃尔玛的单店销售额和去年几乎持平,但同塔吉特百货销售额下降2.5%相比,持平已算不错。最值得注意的是沃尔玛重塑形象。前任首席执行官李?斯科特扩大了对员工医疗保险的覆盖,更关注环境,经常在公共场合露面,这些都起到了积极作用。当然,总会有人批评,而且沃尔玛第一季度的表现也不是最好的。但无可否认,斯科特给新任首席执行官麦克?杜克留下的是一个斗志昂扬的公司。
“尼克是一位优秀的产品思想家,”雅虎移动与新兴产品高级副总裁亚当卡恩(Adam Cahan)说,“他的确代表了他在思索的事物和‘移动’真正内涵的跨世代转变。新一代不仅仅是以移动为先,而且是以移动设备为唯一上网工具。这是一种不同的视角。”
当然这也并不是说,你害怕老板起疑心,就要放弃你在领英上面的简介。但是告诉你,得小心点。其中一点是关掉你的活动广播这样你每一次策略性的行动就不会被所有网民发现,下面教你怎么做,在主页面,光标停在右上角,点击个性设置,在个性设置里面点击活动广播。
这条推文也是今年人们“点赞最多”的推文,收获的赞达459万个。
[in'spai?ri?]
February 1985 was the last time global surface temperatures fell below the 20th-century average for a given month, meaning that no one younger than 30 has ever lived through a below-average month. The last full year that was colder than the 20th-century average was 1976.
The report also showed regions with a better-developed economy produce more cyberstars, with Beijing, Shanghai, Guangdong, Jiangsu and Zhejiang leading the rankings.
“It suggests that people put more weight on what happened to themselves and less weight on other information that might be available,”Koudijs says. The more personally removed people are from an important event, the less it is to affect their appetite for risk.
The mother-to-child transmission rate also reached its historically low point last year, dropping from 7.1 percent in 2012 to 4.9 percent in 2017, Wang said.

与去年相比,亚马逊(Amazon)、星巴克(Starbucks)和Facebook今年的品牌价值飙升。亚马逊的品牌价值增长59%,至990亿美元,排名第七,Elspeth Cheung表示,这在一定程度上源于其创造需求、而不仅仅是满足需求的能力。她表示,亚马逊的一小时送货服务对其他零售商加快送货速度构成压力,同时这家在线零售商进入物流领域对联合包裹(UPS)、联邦快递(FedEx)以及DHL等快递公司构成威胁。
Astronomers confirmed a key part of Einstein’s general theory of relativity in 2016 when they announced that the LIGO array had detected gravitational waves released by the collision of two black holes. The researchers won a Nobel Prize for the discovery. But they’re not done: In October, scientists announced the finding of two dead stars colliding — not only hearing the ripples in space-time they made, but confirming the event visually with powerful telescopes. Collisions of neutron stars are believed to be the source of all heavy metals in the universe, including gold and silver, and the detection by LIGO helps verify accepted explanations of how the chemistry of the universe formed.
China purchased 141,000 industrial robots in 2017, up 58.1% year-on-year, but foreign brands accounted for nearly three quarters of that, showing that the gap is still widening between Chinese robot makers and their foreign peers.
Chris Paul
China and its southern neighbour failed to come to an agreement on cross-border trade last month during Vietnamese president Truong Tan Sang's state visit to China, where he met with his counterpart Xi Jiping.
However, the figures suggest that the pace of Chinese investment in western economies may be slowing.
In this Jan. 24, 1984, file photo, Steve Jobs, chairman of the board of Apple Computer, leans on the new "Macintosh" personal computer following a shareholder's meeting in Cupertino, Calif
Colliding Neutron Stars
Henda Ayari created a storm when she denounced radical Islam. Now, inspired by the #MeToo campaign, she has accused an Oxford professor of rape.

单词intelligence 联想记忆:
源于:metal(n 金属),因为奖牌是金属做的

“These students have absolutely no free speech rights that were violated in this context."
The companies that have tried — and so far failed — to create a sustained ETF boom in Asia say the need for wholesale reform suggests the market will be defined by a protracted effort to convince both the regulators and customers to redraw the scenery.
adj. 可用的,可得到的,有用的,有效的
节目39 歌曲《冬天里的一把火》,吴克群 《梦想合唱团》宁波队
获奖者:剑桥公爵和剑桥公爵夫人殿下(共同获奖)
Big and brassy! Paul McCartney (yes, yes, and also Wings) ushered in a new era of James Bond movies with the theme to Live and Let Die, sending the series careening into a 1970s musical sound as the franchise rebranded itself with a new leading man, Roger Moore. This is an almost maniacally excited song. The melody shifts and spirals and builds and sinks and hardly gives the listener a chance to get their bearings. It's a thrill.
Julia Hartz
The cyclical theory depends on a dearth of new investment creating a supply crunch in two, three or five years. A lot of projects are being postponed but postponement is no more than a signal to project managers to find a way of cutting costs. Many are doing exactly that.
*最佳真人秀主持:鲁保罗?查尔斯(RuPaul Charles),《鲁保罗变装皇后秀》(RuPaul’s Drag Race, Logo)
他表示,2017年的目标是航班整体准点率维持在75%左右。
我立刻赞同了克雷格和尼尔关于艾伦是今年颁奖礼最合适的主持的想法。我们希望举办一场娱乐、吸引人而又有趣的颁奖礼。
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.
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.
来自5个不同国家的5所商学院今年首次进入排行榜。新加坡李光前商学院(Lee Kong Chian School of Business)是新进入者中排名最高的,直接跃居第36位。加拿大女王大学史密斯商学院(Queen’s Smith School of Business)的排名提高最大,跃升32位至第67名。
Vocal duo: Thompson Square
《少年收容所》(Short Term 12)是独立制片的小型影片之一,然而却会大大地影响观众。这部低成本电影片长仅96分钟,背景是一个针对问题青少年的收容设施。然而德斯汀?克里顿(Destin Cretton)的导演和布里?拉尔森(Brie Larson)的表演让这部电影跻身年度最佳影片之列。拉尔森几乎可以肯定无缘奥斯卡奖(今年的竞争异常激烈),但她对所扮演的女主角格蕾丝(Grace)的刻画极具水准,格蕾丝是一名20多岁的年轻保育员,她自己的生活远非平静无波。
Dachis says: Strong financial performance combined with a slew of new features made LinkedIn a magnet for positivity in 2012. Positivity like this could help the company move from stern business network to lively communications platform in 2013.
Businesses can benefit in other ways too. Craig Rollason, business analysis manager at National Grid, says he has improved his coaching skills by mentoring a Teach Firster.
节目24 土耳其风情舞蹈《火》,土耳其火舞舞蹈团
While the WeChat use of the "post-90s" generation has slightly decreased, from 94.1 percent to 86.6 percent.
Usually sober-minded analysts, accustomed to the auto industry’s slow growth, seem to shed their inhibitions when it comes to Tesla. Rod Lache of Deutsche Bank has attached a $310 price target on the stock. Not to be out-done, Adam Jonas of Morgan Stanley established a $320 price target and calls Tesla it the “most important car company in the world”.
Chazelle’s musical was the hot favourite going into the evening, with a record-tying 14 nominations. Chazelle won the best director award, while Emma Stone won best actress for her performance in the film, which was produced by Lionsgate. There were other La La Land Oscars for score and best original song.
TWO Americans were awarded the Nobel economics prize yesterday for studies on the matchmaking taking place when doctors are coupled up with hospitals, students with schools and human organs with transplant recipients.
最差问候奖
因此,在这个世界把你打败、为你冠以头衔前,发表独具风格的宣言,定义你心目中的自己。
第一次出现在人体内。禽类可能是病毒来源。Appeared for the first time in humans. It caused illness in two children in Hong Kong, with poultry being the probable source.
The raised decoration shows a cartouche — an oval frame around Egyptian hieroglyphics indicating a royal name. Above the frame archaeologists could make out the symbol of an eye and that of a cobra.