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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

[k?mpi'tin]
You can browse the full list at AskMen.com. Here are the top 10 women:
雨人的原型没数过牌,但脑力也很出众。金·皮克是个独一无二的天才,拥有近乎完美的记忆。他丰富的技能包括记住地图上的每一条路,无数歌曲的作曲家和日期,以及详细得令人难以置信的的历史事实。《雨人》出名后,皮克将毕生投入到在美国各地奔走,为残疾人发起活动,用自己的独特天赋鼓舞他们。
1. “The Assassin” and “Mad Max: Fury Road” (tie) Hou Hsiao-Hsien and George Miller directed the year’s two best commercial movies, both of which should be seen on the biggest screen you can find.
She had recently emerged as the right hand of her father, the former Prime Minister Nawaz Sharif. But corruption charges are clouding her rapid rise.
[s?'k?m]

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.

这种现象部分原因可能来自人民币汇率总体的疲软,原因是这会令境外的商品变得更加昂贵。今年1月人民币汇率下跌了1.3%,而在2015年最后一个季度人民币贬值了2.2%。不过,中国的出口仍未因人民币贬值而受到提振。
《速度与激情》则为收入最高的外国影片,位列该榜单的第二位。
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.
A woman's portrait has not been printed on U.S. paper money since 1896, when Martha Washington, the wife of the first U.S. president, was shown on a one dollar silver certificate.
●"Woman arrested for defecating on boss’ desk after winning the lottery"
视频编辑很可能是得益于促进摄影技术工作增长的相同的因素。很显然这一工作的增长是伴随着有经验的吸引人的网站设计的日益增长需求而出现的。
1. 芝加哥大学布斯商学院

"We hope the mother will come to us and verify the facts. If it's true that the user is a 13-year-old who spent the money without consent, we can negotiate a refund," the Tencent employee said.
中国的网红经济发展到今天,经历了三个阶段:第一个阶段是文字时代,第二个阶段是图文时代,现在这一阶段是要归功于宽带的可用性的视频时代。
Kate Hudson spoke to British Elle magazine exclusively for this interview。   凯特·哈德森接受了英国ELLE杂志对她的独家专访。Does actress Kate Hudson know wha
Forbes said that much of the decline in Trump's net worth is due to softness in the midtown Manhattan real estate market.
色彩有什么作用?如果你是潘通(Pantone)——“色彩权威”和主导色彩潮流的预测者——如果你能选择每年的“年度色彩”,那么你会发现它有很多作用。包括可以决定时尚的方向(这会决定设计师购买什么颜色的面料,也就是你最终穿什么颜色的衣服),影响室内装饰,甚至影响食物的外观。不过,我从未看到哪一年的年度色彩选择像2016年这样深受政治和哲学的影响。
[di'pɑ:t]
Dwyane Wade
会。2018年,美国总统特朗普将通过对中国采取惩罚性行动,来兑现他在竞选时许下的部分保护主义诺言。最可能的触发因素将是特朗普政府委托的、对中国涉嫌窃取知识产权的官方调查报告,以及中国补贴钢铁和铝生产的行为。在其贸易团队的敦促下,特朗普可能会下令采取报复性措施,其中包括征收惩罚性关税。此举是否会标志着贸易战打响第一枪,将取决于中国如何反应。如果中国决定征收报复性关税,或者把美国告上世贸组织(WTO),将标志着敌对状态的开始。
When scientists discover how to shrink humans to five inches tall as a solution to overpopulation, Paul (Matt Damon) and his wife Audrey (Kristen Wiig) decide to abandon their stressed lives in order to get small and move to a new downsized community, a choice that triggers life-changing adventures.
时间:2010-03-09 编辑:vicki
3.Porto, Portugal
大众创业,万众创新
报告称,北上广深等一线城市居民承受着较大的经济压力;而四线及以下城市的工作机会较少,人脉在生活的各个方面都起着重要作用。
如果你是一个工薪阶层的白人,担心这个充满国际性的新世界会摧毁或贬抑你所珍视的身份认同,那么你并没有一种在文化上能够被接受的方式,去阐明自己内心感受到的危机。
“What we are seeing right now from China is not only a phenomenon for Brazil, we are seeing the same all over Latin America, declining [Chinese export] volumes into all the markets,” said Antonio Dominguez, managing director for Maersk Line in Brazil, Paraguay, Uruguay and Argentina. “It has been going on for several quarters but is getting more evident as we move into the year [2016].”
莱斯特大学研究人员表示,这副骸骨的DNA同理查三世一名姐妹的后代吻合,而且骸骨的脊柱弯曲,有战争留下的创伤,这都与历史记载吻合。
Stand: Costco CEO Craig Jelinek refused to open on Thanksgiving Day
3.Sit in the Front Row
China had a full-year GDP target of “around 6.5 per cent” for 2017.

n. 董事,经理,主管,指导者,导演
The No. 1 thing in job security is your relationship with your boss. Even if he says, "I'm sorry I really wanted to keep you, but they made me lay you off," that's almost never true. He probably made that decision.
['traigl]
曼谷在2014-15年排行下降主要是由于近年来的政治不稳定。
GM Masai Ujiri struck twice to position Toronto for a second trip to the East finals, nabbing Ibaka from the Magic and Tucker from the Suns.
illegal

委员建议:住宅用地自动续期明确期限

此外,广电总局还透露,虽然今年的票房增长受人民币贬值影响要稍低于35%,但是电影市场增长势头依旧强劲。
如果你计划前往巴西去看奥运会,将注意力集中在运动和娱乐上面,谷歌可以全方位的帮到你。为迎接2016年里约奥运会,搜索巨头谷歌将在谷歌巴西地图推出“探索”功能。
As institutions are brought under dictatorial control, the opposition is driven into rebellion or acquiescence.
Dwight Howard
n. 权力,权威,职权,官方,当局
在2013年的这次调查中,东京重新获得“全球最贵城市”的头衔。瑞士苏黎士由于汇率波动在去年名列榜首,但今年由于政府采取了控制汇率措施,在榜单上下滑至第七。日本大阪成为全球第二贵的城市。
2年前中国股市突破6000点,而2010年股市能否重拾失地呢?当初中国股市行情十分被看好,但今天,如果你问同样的问题,有的人会拿全球经济说事儿——因为全球经济仍旧步履艰难。
But that hasn't stopped scientists from growing actual human brains in a lab. Starting with nothing but stem cells, scientists in Austria this year managed to create brains equivalent to those in nine-week-old fetuses. These miniature brains are the size of peas and are incapable of thought—so far. The one thing keeping the brains from growing beyond this stage and becoming fully functional is that they have no blood supply.
《一位德国女权主义先锋在痛苦中回顾过去》(A Pioneering German Feminist Looks Back in Anguish)
cerebr脑
6.Miniature Human Brains
Will the Saudi Aramco public offering debut on an international market
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.
['w?:θ'wail]
Neighborhoods

上述消息源还称,苹果将在明年10月发布一款12.9英寸的平板电脑,“目标消费群是北美的教育市场(和)……生产商是广达电脑(Quanta Computer)”。有报道称,三星也在研发尺寸在12至13英寸之间的平板电脑,而现在看来,“这些大尺寸平板电脑将极大地影响超极本需求”几乎是板上钉钉的事了。新款“iPad Max”,搭载整合了键盘和电池的新款外壳之后,实际上就是一台笔记本电脑,很有可能在高中生和大学生之中成为主流产品——这一人群需要比现有iPad和iPad Mini产品更好的内容创造工具。
出口的提振在很大程度上源自对美出口,其价值自3月份以来首次出现同比增长,同比增6.9%,至368亿美元。在其他出口目的地中,对欧盟出口同比增长5.1%,至299亿美元,对日本出口同比增长3.2%,至122亿美元。
Why was I so confident that there would be no war in east Asia, either in the East China Sea or the South China Sea? The simple answer is that I know the Asian dynamic. While many Asian neighbours will make angry nationalist statements (and they have to do so to manage popular nationalist sentiments), they are also careful and pragmatic in their deeds.
The finest romance and the most acute anti-romance of the year, from some of the most rigorous intellects in American movies. The relationship between them is perhaps best summed up in this poem by William Blake, called “The Clod and the Pebble”:
特里萨?梅(Theresa May)依然面临着党内阻力。自由民主党(Liberal Democrats)的智者兼领导人文斯?凯布尔(Vince Cable)依然认为脱欧可能不会真的发生。
As E.E. Cummings rightly said, "To be nobody but yourself in a world which is doing its best, night and day, to make you everybody else means to fight the hardest battle which any human being can fight; and never stop fighting."
10月中国进口同比下降18.8%,降幅较9月的20.4%略有改善。石油和其他大宗商品价格大幅走低也帮助压低了进口总值。
Ma Nan补充报道

About this series

Since 2001, I’ve helped direct an annual 去化周期一年有余 北京楼市没有全面涨价土壤 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.

Amid rising pollution and a strengthening yuan, the capital city saw its tourist numbers drop to 4.20 million visits from January to November from 5.01 million visits in 2012, according to China Daily, citing a report from China Tourism Academy and Beijing Commission of Tourism Development. An earlier report based on a survey of domestic travel agents showed that visitors to the capital declined by roughly 50% in the first three-quarters of the year compared with a year earlier.
单词romantic 联想记忆:
Frankly, this is unlikely to be ready in time for next year, but we'll include it just in case. The second film from Laszlo Nemes, who won the foreign language Oscar earlier this year for Son of Saul, is a coming-of-age drama set in Budapest just before the first world war.
乔布斯在苹果大会上作专题演讲后展示MacBook Air ,2008年,1月15日,旧金山
Emily Ratajkowski managed to steal the show, opting for a seriously saucy twist on the classic ballgown. Opting for a semi-sheer lacey black number, the We Are Your Friends actress ensured her world-famous figure was on display.
Yes — by an eyelash. Democrats will need to win an additional 24 seats, meaning they will have to hold on to all 12 Democratic districts that Mr Trump won last year and pick up the 23 Republican districts that voted for Hillary Clinton, plus one or two more for good measure. The math is not on the Democrats’ side, but history is. The president’s party almost always loses some House seats in the midterms, and sometimes loses big, especially when the president has an approval rating below 50 per cent. See Barack Obama in 2010.
Faber laughs at Bernanke's remark that the economy would be strong enough later this year so he could take his foot off the gas, that is begin 'tapering, or scaling back it's stimulative quantitative easing (QE) program later this year.' Yes, laughed.
FRESH OFF THE BOAT (ABC, Feb. 4) A Chinese-American family adjusts to life in mid-'90s Florida in this culture-clash comedy based on a memoir by the restaurateur and food-and-travel-show host Eddie Huang. Hudson Yang plays the 11-year-old hip-hop wannabe Eddie, and Randall Park (Kim Jong-un in “The Interview”) plays his father, proud proprietor of a suburban steakhouse.
加快培育壮大新兴产业。
社交中我经常压抑自己
Yet when October was taken as a whole, only Shenzhen showed a real month-on-month price fall.
He also posted a picture of himself looking at a racially diverse group of children.
vt. 谣传
"This is something we believe is really important for the future of our country,"Facebook (FB, Fortune 500) CEO Mark Zuckerberg said in August.
"Another interesting aspect of this year's list is that more short numerical passwords showed up even though websites are starting to enforce stronger password policies."

根据人社部、财政部近日联合下发的通知,企业和机关事业单位退休人员的月均养老金将在2016年的基础上上调约5.5%。
格罗斯出尔反尔,不可理喻:四个月前他还警告说美联储正在构造一颗信贷超新星、一个新的信贷泡沫,这个泡沫将击垮贝南克资助华尔街庞氏骗局、吹起一个巨大金融泡沫、进而将美国之未来置于巨大风险之下的自负的、高风险的实验。
Robin Wigglesworth
“What we are seeing right now from China is not only a phenomenon for Brazil, we are seeing the same all over Latin America, declining [Chinese export] volumes into all the markets,” said Antonio Dominguez, managing director for Maersk Line in Brazil, Paraguay, Uruguay and Argentina. “It has been going on for several quarters but is getting more evident as we move into the year [2016].”
de去掉,but。去掉but?导演Z(平静):你可以上台了。女演员F:but我还没准备好呢?Z(有点儿烦):哪那么多事儿呀,快点儿!F:but我这可是第一次!Z(强忍):谁没有第一次呀,快!F:but…,Z(已经怒了):哪XX那么多but呀,全都给我de掉,再不上去我就X人了!!!
贷款的条件不仅仅只局限于裸照。同样被泄露的还有大量疑似借贷双方对话的屏幕截图,一个贷款人要求女学生提供自己的自慰视频。
When scientists discover how to shrink humans to five inches tall as a solution to overpopulation, Paul (Matt Damon) and his wife Audrey (Kristen Wiig) decide to abandon their stressed lives in order to get small and move to a new downsized community, a choice that triggers life-changing adventures.
The awards, announced during a ceremony in Amsterdam on March 14, are based on millions of international passenger surveys.
We learned that there is new hope for Africans with treatable cancers.

汉森表示,美国原油增产意味着现货油价对地缘政治事件的反应不如以往那样大了。他说,目前的原油供应足够多,油价受威胁的程度不如以往,2014年将是首个出现一段时间原油供应增量超过需求增量的年头。
伯利兹城靠近墨西哥和加勒比海,各处都是露天的街头小吃摊,为游客们提供了很多较实惠的用餐选择。

俄罗斯总统普京说,无论谁在明年的美国总统大选中胜出,他都希望改善与美国的关系。
2017年我国继续同步提高企业和机关事业单位退休人员的基本养老金水平,惠及1亿多人。
adamant
当然,那时候,伦勃朗是大热门。但是如今,这位荷兰画家和他的同辈大师已经过气,不再是收藏家和投资者渴望的对象。
The board is frequently covered in equations. Have you ever wondered what those equations mean? Well, we may never know what they mean, but they are all real, accurate equations. Very impressive, Big Bang. Very impressive indeed.
意大利语piloto“划浆""的变体→飞行员,领航员
宾夕法尼亚州圣约瑟夫大学(Saint Joseph’s University)的Haub商学院(Haub School of Business)是唯一一所首次上榜的学院,排在第98位。
这个区域靠近市中心,爆破方必须确保爆破时不会影响到附近的一条轻轨线路、一个购物中心和变电站。
戛纳电影节素以质问与嘲笑著名。在本届电影节上,《青木原树海》(Sea of Trees)成为第一部遭遇观众挑剔的电影。该片由格斯?范?桑特Gus Van Sant指导。在媒体放映场,《青木原树海》遭遇嘲弄的风暴,陷入了嘘声之海。由于这些发生在首映红毯前,恶评迅速传播,使得盛典蒙上阴影。娜奥米?沃茨(Naomi Watts )和 马修?麦康纳(Matthew McConaughey)走上红毯时,《每日电讯报》(Daily Telegraph)形容此场景为“极其糟糕却又引人瞩目的羞辱之途”。但是在随后的新闻发布会上,马修?麦康纳,这位来自德克萨斯的演员表情坦然,“每个人都有权倒喝彩,正如他们有权喝彩一样,”他说道。我相信我们都知道他的意思。
Charles River Ventures合伙人拉斐尔o科拉莱斯认为,学术界、基础设施以及政策等诸多领域的发展,表明2014年是迄今对比特币而言最重要的一年,尽管在此期间比特币波动很大。科拉莱斯表示:“短期而言,那些不懂或不相信比特币大有可为的人很容易攻击这一点。他们批评这一点再容易不过了。在过渡阶段,肯定会有剧烈震荡,所以只看一年的价值波动是愚蠢的。”对于偶尔出现的黑客袭击,科拉莱斯补充道:“短期内肯定会有颠簸,但问题很快就会迎刃而解。而且有一个庞大团体正致力于解决这些问题。因此,尽管存在小的颠簸,你应当对此感到兴奋不已。”
对于可治疗的癌症,非洲人有了新的希望。
[p?'spektiv]
4.室外类比赛项目
6.伯利兹城
国家统计局中国经济景气监测中心副主任潘建成表示,研发经费与GDP之比不断上升,显示出经济增长正由传统要素(出口和投资)驱动向创新驱动转型。
数据还显示,网红的分布和经济发展水平也有密切关系,北京、上海、广东、江苏和浙江等较发达地区是网红分布最多的五个地区。
"这是自然保护的一次伟大创举。"
entertainment
自2007年4月以来,全球最具价值品牌100强的品牌价值增长106%。同期标准普尔500指数(S&P 500)和MSCI明晟全球指数(MSCI world index)分别上涨61%和21%。
The country's film output ranks third in the global market and is expected to exceed 700 by the end of 2016. Sales of film rights to online video sites raked in 4 billion yuan (560 million U.S. dollars) in the same period.
美国太空探索技术公司在航天器充分回收方面取得重大进展
For now, occasional high-ticket deals such as the Dah Sing Financial Centre and the purchase of a HK$2.1bn luxury house on the affluent Peak, come amid wider pessimism about the sector. The office sector showed the most activity in the first quarter this year, but this still translated into only eight deals in total, according to CBRE.
在桑迪飓风登陆新泽西Mantoloking之后的早晨,洪水包围了Mantoloking大桥附件的房屋。
首先,正如咨询与培训机构RedPrairie公司的供应链专家汤姆?科赞斯基所言,一提到物流行业,多数人都觉得它“没有吸引力”,是一项乏味且薪水不高的仓储工作。
补救办法: 做预算。 如果你不能估算需要多少钱才能过上令你感到舒适的生活,你就无法确切地知道为了1万美元薪水而换工作是否真的划算。在比较新、旧工作时,列出各自的优缺点,这会对你很有帮助。如果新工作只是薪水更高一点,那么你可以比较下这个工作是否要求更长的工作时间和完成更多的工作任务。请记住,调查表明:年收入在7.5万美元以内,幸福感会随着薪水的增加而增加,但是一旦薪水超过这个水平,幸福感的增加便不再明显。因此,如果你认为薪水增加到8.5万或9万美元会使你更加快乐,这时你或许应该着手解决生活中那些与金钱无关而引起的不快乐。
After weeks of nail-biting auditions and five days of tense semi-finals, Britain’s Got Talent picked one of the 11 acts to be the 2014 champion.
No matter what the inherent method of momentum, all of these engines leverage the latest engine technology to maximize both their power and fuel economy, and run the gamut from the tiny and efficient 1.0-liter turbocharged three-cylinder unit offered in the Ford Fiesta to the Chevrolet Corvette Stingray’s mammoth 6.2-liter V8 that proves there’s no substitute for sheer displacement. We’re featuring Wards’ 10 Best Engines in the accompanying slideshow.