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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

Chile were one of the most exciting teams at the 2010 World Cup and recentky gave England the run around at Wembley, whilst if Colombia can get Radamel Falcao fit then they could cause an upset or two. So of all the South American teams, only Ecuador look like they might struggle to get out of the group stages, with all the others more than capable of reaching the latter stages.
一切始于比蒂打开信封准备念出最佳影片得主的那刻,他看上去很困惑,停顿了很长时间,然后望向唐纳薇。“来吧!”比蒂把信封交给唐纳薇,后者宣布道:“《爱乐之城》!”
电影主人公名叫韦德·威尔逊,由瑞安·雷诺兹扮演。威尔逊是一个拥有超强自我修复能力的雇佣兵,擅黑色幽默。他一直在寻找那个将他投入凶残实验、几乎毁了他一生的人。《死侍》由漫威公司出品, 塑造了一个超常规的反英雄人物。
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。
本周四公布的一项最新调查显示,近四成美国居民表示,最近发生的桑迪飓风等自然灾害的严重性正是世界末日即将到来的证据,就像《圣经》中预言的那样。而超过六成的受访者认为这是气候变化所致。
5. Broadcaster

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.

“Total new business increased at a modest pace that was little-changed from October. However, November data indicated that foreign demand continued to soften, with the latest expansion of new export business the slowest since June. ”
The United States ranks No. 7 overall. The country with the largest economy in the world is also considered the most powerful. It ranks No. 3 in Entrepreneurship and No. 3 in Cultural Influence, as well.
2013年到中国旅游的外国游客还是选择避开了北京。
2013 Rank: 12
A Times reporter, Denise Grady, went inside an operating room to observe an experimental technique to treat severe spina bifida in a 24-week-old fetus. The doctors performing the surgery hope it will result in superior outcomes for children born with the disorder. Their first 28 surgeries have seen good results so far. Jan. 14 is the due date for the mother who was the subject of the article.
All this is happening before our eyes and yet we act as if we have all the time we want and all the solutions. I'm only a child and I don't have all the solutions, but I want you to realise, neither do you! 所有这一切就发生在我们眼前,然而我们还是一直向大自然无度索取我们所需要的。我仅仅是个孩子,我不知道该怎么办。 但我们这些孩子——这个星球的未来需要让您认识到,您不能说没办法!
吉祥猴的水墨设计草图由中国当代艺术家、北京奥运会吉祥物“福娃”的创作者之一韩美林设计的。这幅中国传统水墨画的设计被网友认为“萌萌哒”,代表了中国传统艺术风格。节目制作人将吉祥猴命名为“康康”,在中国表健康之意。

分析师们认为,这次新机发布将有助于苹果克服过去两年的增长问题。在像美国和欧洲这样的市场上,智能手机的拥有量已趋近饱和,很多客户不再频繁更换现有手机,推动更快收入增长的最佳途径就是提高单位价格,而不是单纯地依靠出货量。
在原油市场连续数年获得新兴市场需求的支撑之后,快速增加的原油供应很可能会在2014年拉低油价,油市形势将继续随着这种供需动态变化而发生改变。
国务院总理李克强在上周五由人力资源和社会保障部组织的一次会议上表示,要优先促进就业。
2020年,10美元钞票上将出现一名著名美国女性的画像。
Despots use the former as an excuse for repression and the latter to demand absolute obedience.
众所周知,医疗保健行业明年将涌现大量招聘需求。然而热门就业领域并不仅限于此。
上赛季的封王对勇士队球迷来说是一种缓解,毕竟他们前一年经历了总决赛史上最严重的崩盘。尽管如此,但整个系列赛的感觉还是“是的,这是应该发生的。”。几乎没有什么戏剧性的事情,也没有什么争论,最后,大家都预料到会发生什么。不会引起太多谈话或兴趣,它就是这样的。
联合国表示,菲律宾总统发起的禁毒战争存在人权问题。周日杜特尔特因此向联合国发起抨击,并表示菲律宾可能离开联合国,转而与中国和非洲国家组成一个新机构。
With all its eccentric beats and bubblegum, Number 1 Angel feels like the purest distillation of the U.K. star's pop brilliance, whether she's working with up-and-coming rapper Cupcakke on "Lipgloss" or collaborating with M? on "3AM (Pull Up)."
截止发稿时为止,在中国社交媒体上仍然能够找到一些被泄露的照片和视频。
2.别迷恋哥,哥只是个传说。
WTF.3: I'm Bigger Than You Think
10、 因为与邦德在一起很有趣,女人往往会迷上他,这在人际关系中很重要,也是很多首次约会一拍即合的秘诀。甚至派去杀他的女特工也会爱上他。研究证明,这也不奇怪,007的形象常被批成大男子主义,也许不错--但是,只能让他在女人面前的魅力有增无减。
In this emotional comedic drama, a selfish car dealer named Charlie Babbitt learns that he has a brother after his estranged father dies. He is upset to learn that said brother, Raymond, received his father's $3 million estate despite living with severe autism that has left him in a mental institution. Charlie learns that Raymond is a savant with outstanding capabilities for mental math and takes advantage of this skill by using Raymond to count cards in Vegas.
adj. 流行的,大众的,通俗的,受欢迎的
A fallen tree blocks a street in Washington, DC, on Tuesday.
?The Aston Martin doesn't hurt. Not at all. Neither does dropping tons of cash at exotic casinos -- throwing money around makes men more attractive to women who are interested in flings. And, like Bond, men who gamble with women around are better at it.
By investing deep in the industrial fabric of the country, from the coastal cities of Tianjin and Shanghai to the new industrial frontiers of the Western provinces of Shaanxi and Sichuan, from the processing of rare metals to the manufacturing and assembly of complex aircraft parts, China is adding substance to formand showing the world that, as far as its commercial aerospace achievements are concerned, the best is yet to come.
As for China, lack or stopped development represents the biggest risk for this country. So it is essential that we maintain steady medium-high growth of our economy and that in itself is China’s contribution to global stability.

They were discovered in the modern-day Jiangsu Province near Shanghai inside the ancient tombs belonging to the rich and powerful.
泰勒·斯威夫特和凯蒂·佩里选择了两种样式完全不同的极为诱人的礼服。泰勒选择了一款能够展现她修长身材的传统好莱坞式、迷人的古希腊风格的露背礼服,而凯蒂则穿着一件更短的、更有活力的礼服,每个地方都露了一点。
中国富人近年来对岛屿表现出越来越浓厚的兴趣。
联合国世界知识产权组织(WIPO)、英士国际商学院和美国康奈尔大学联合发布的年度报告显示,全球第二大经济体正在赶追创新领域那些传统的领先者。目前,第一集团主要是由瑞士、瑞典、英国和美国引领。
Google and Amazon rank second and third respectively.
Further, 32 out of the 50 new selected female billionaires started their businesses from scratch.

我国办理建筑许可效率全球排名提升51位

7. Viceroy's House
上周,希拉里的竞选团队负责人约翰·波德斯塔表示,希拉里很可能会挑选一名女性作为她的副总统获选人。很快有人猜测,为了吸引女性选民,她的竞选伙伴很可能是马萨诸塞州参议员伊莉莎白·华伦。她是一名非常受女性欢迎的、激进的参选者。
[iks'p?uzd]
泡沫气球是泡泡和气球的混合体。
He did several makeup tests to get the look that would so dramatically change Mr. Carell. “We were literally creating a new human being,” Mr. Corso said.
improvement
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.
Games are serious business in China. The country's online game market will reach 41 billion yuan by 2012 ($6 billion), accounting for half the global market, according to newly released data from Cnzz.com Inc., a Beijing-based third-party data analysis firm (related report in Chinese here).
Such highlighted talents also include cult director David Lynch of the United States and the versatile Taiwan filmmaker Sylvia Chang, whose representative works are on the recommended lineup.
Before that, she starred in popular sitcom, and has also made a name for herself in films.
芯片的零售价为150美元,但一次只能烤四寸的饼干。如果你用传统的烤箱,在烤箱烤一大批饼干,你也能在30分钟内烤完8到12块饼干,也更加便宜。
这句话是唯一来自现实世界而不是网络的。一位政府官员在回答《焦点访谈》记者“天津市每年要偿还公路建设的贷款量有多大”的问题时,回答到“这事儿不能说太细”,网民们觉得这句话很有意思,于是流传甚广。
Leading the pack of the best airlines for holiday travel is Hawaiian Airlines, followed by another Pacific Coast-focused carrier, Alaska Airlines. Conversely, the worst airline for holiday travel is New York-based JetBlue Airways, with ExpressJet, a regional carrier, coming in next to last, according to the FlightAware data.
Here are four memorable designs from the year, including commentary from some of the artists who helped shape the looks.
But that recovery has also seen the size of bonuses drop: last year the average payout was Rmb12,821 ($1,861), about Rmb2,000 more than in 2015 but still roughly Rmb800 below the 2014 average. More than a quarter of those surveyed who saw their bonus shrink last year blamed the decrease on poor company performance.

不过,多个大城市新建住宅价格增速似乎已显著放缓。
Rocco LaDuca, covers crime and courts at the Observer-Dispatch in Utica, New York. He says he became a reporter in part because of fond memories of reading newspapers with his grandmother.
2013 Rank: 3
有些人则特地请人代劳:
Han emphasized that the risk of infection still remains because college students, who are sexually active, might have unprotected sex because they are susceptible to external influences.
《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”。
Consoles: PlayStation 4
葡萄牙的成就说明这种转变是可行的,它为各国政府和能源公司提供了一个实实在在的范例,也告诉他们为什么现在应该投资太阳能、风能、波浪能和其他可再生技术。

About this series

Since 2001, I’ve helped direct an annual 如何规避一房多卖?不能仅仅单纯依靠商品房网签 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.

vt. 管理,调整,控制
组建或加入一个学习小组
在过去三年里,夏威夷航空公司的航班延误率只有6.92%,几乎是排名第二的阿拉斯加航空公司的一半——这家公司的航班延误率达到11.27%。
The central government has allocated a special fund of 100 billion yuan to provide assistance to workers laid off from overcapacity cuts, and also has asked local governments to set up matching funds.
6. Make a plan.
我知道,这是需要时间的,但是这会使你更加了解自己所做的事。这也会是你到学校学习的原因,对吧?
The average entrepreneur uses dozens of cloud-based software and apps. Zapier connects your online life and helps you build new functionality. The best part about Zapier is that you don’t have to be an API wizard to use it.
在丝绸之路上找到了一个1700年历史之久的墓地。丝绸之路是一系列的古代贸易路线,曾经链接着中国和罗马帝国。
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。
在观影从始至终,我都在问自己一个问题:这部电影到底在讲什么……这部电影的主题仿佛一锅杂烩,并不明晰。我希望制片人也在问同样的问题。
He added that there was an unavoidable issue with the original plot, because Pussy Galore was cast as a lesbian who cannot help but be overcome with lust for Bond.
severe的人总是sever
Every January for the past decade I have handed out awards for horrible use of language in business. Usually the task amuses me. This year I have found the sheer weight of euphemism, grammatical infelicity, disingenuity and downright ugliness so lowering I have decided to start the 2016 Golden Flannel Awards with something more uplifting: a prize for clarity.
But there remains a mass of old master paintings in dealers’ stocks — and in collectors’ minds — whose asking prices still hark back to the age of Tommy Cooper. Unfortunately, in today’s market, and at those prices, many of these paintings will be as sellable as that Stradivarius canvas with the hole in it.
报告指出,中国网游开发商自今年年初以来一直在考虑按照时间收费。在排名前十的网络游戏中,时间收费型网游占据了4个席位,其中两款是今年才开始商业化运营的新游戏,包括盛大互动娱乐有限公司(Shanda Interactive Entertainment)的主要新游戏《永恒之塔》(AION)。Cnzz.com说,转向时间收费模式更有可能给游戏带来公平和公正感,因为玩的最好的玩家将是那些花时间最多的人,而不是那些花钱最多的用户。

年龄对詹姆斯仍不是问题
《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。
通用汽车公司(General Motors)帮助改善了大峡谷州的就业前景。今年3月,这家汽车制造商宣布,计划在凤凰城郊区钱德勒建设该公司的第四座信息技术创新中心。通用汽车预计将雇佣1,000名员工,主要包括为这座新中心效力的软件开发人员、数据库管理员和系统分析师。通用汽车公司首席信息官兰迪?莫特(Randy Mott)在新闻稿中宣布了这个举措,他表示,“大凤凰城地区是出色的枢纽,吸引了新兴技术人才——从大学毕业生到职场专业人士。”
紧接着地球研究所上一年的榜单,整个全球调查跨越2010到2012。尽管“在过去的五年间,整个世界变得更快乐,更慷慨了一点,” 但在另一些国家,由于经济或政治上的动荡,人民的幸福感却大幅降低。
TextPride是一门不错的生意,就是规模太小。与此同时,短信应用市场正在爆炸式增长。Facebook公司斥资190亿美元并购了WhatsApp,这款产品的每月活跃用户现已达到7亿人。拥有2.5亿注册用户的应用Tango目前市值15亿美元。Kik拥有2亿注册用户。Snapchat价值100亿美元,拥有一亿用户。Kik赞助的一项新研究表明,美国用户现在花在短信应用上的平均时间要多于社交网络应用。不过唯一的问题是,这些短信应用需要找到赚钱的手段,目前广告主还没找到靠谱的方式插入朋友间的聊天之中。
一些科学家说,2014年成为创下气温纪录的一年,最值得注意的一点是该年度并没有发生强大的厄尔尼诺现象,一种由于太平洋将巨大的热量输送到大气层所造成的大尺度天气模式。
先锋(Vanguard)的亚洲投资组合审查主管Yan Pu怀疑,亚洲的产品结构可能阻碍了ETF的发展。例如,亚洲ETF公司提供大量的股票ETF产品,但很少有固定收益产品。她指出,在美国,固定收益ETF增长迅速。
['institju:t]
Get ready to see ads from the neighborhood pub on Twitter

内容来自:可可英语 http://www.kekenet.com/read/201303/232075.shtmlThose looking for greater happiness and satisfaction in life should head to northern Europe, but steer clear of Egypt and countries worst hit by the eurozone crisis, according to the 2013 World Happiness Report released Monday by Columbia University's Earth Institute.
“有个人在Facebook上公开辞职。”

vt. 忽视,疏忽,忽略
4. Am I eating healthy? The types of foods we eat can greatly affect how we feel both physically and emotionally. Eating too much junk food can lead to crankiness and a relatively low energy level, whereas eating healthy foods can lead to better moods and a more positive energy level.
inspect(vt 检查;视察)根:spect看
凭借这场胜利,金州勇士队追平了由1957-1958赛季的波士顿凯尔特人队创造的卫冕冠军赛季开局14连胜纪录。而勇士队也是成为在NBA历史上,仅有的五只以14胜0负开局的球队。接下来,他们将会作客丹佛,力争在周日将纪录继续保持下去。
STEP 2: STIM
This includes ‘qwerty,’ in fourth place, ‘admin,’ in 11th, and ‘login’, in 14th.
But retail sales growth softened to 10 per cent in October, betraying economists’ expectations it would hold steady at 10.7 per cent growth from September.
指数:96.6
If you like your comedy with a side of heart-warming feels and poignant cultural commentary, please look no further than The Big Sick, about a comedian who falls in love with a heckler. Their backgrounds could not be more different, which is relatable to anyone in a mixed race relationship.
在第七十届戛纳电影节的第一天,像艾米莉·拉塔基科斯基、阿德里亚娜·利马、莉莉·唐纳森以及皮德拉·尼姆科娃这样的人最终称霸红毯一点也不奇怪。
骑行背带
Asli Erdogan, a novelist of the “dark, pessimistic,” is struggling to process her own grim experience: months in prison.
其他的欧洲国家生活成本在增长,排名有进步。伦敦上升了5个名次,并且进入前十。
n. 购买,购买的物品
最坏习惯奖
Yet institutions matter, too, because they set the rules of the game.
9月份CPI录得1.6%的同比涨幅后,经济学家曾预测10月份的同比涨幅为1.5%。中国政府为今年全年设定的通胀目标为“3%左右”。
Sounds like Taylor Swift—but, in fact, it’s her frequent competitor, Katy Perry. Largely because of her Prismatic World Tour, which is now winding down, Perry pulled in $135 million this year. She grossed more than $2 million per city over the course of 126 shows in our scoring period, and added to her total through deals with Coty, Claire’s and Covergirl.
Anyway, it's nice to see that LeBron has filled into his monster physique nicely in the past nine years.
根据两位了解相关计划的人士的说法,中国政府正在禁止中国旅游团体赴韩国旅游,这是对韩国拟部署美制萨德(Thaad)反导系统的最新报复手段。
WhatsApp had been particularly ad-averse before its sale to Facebook. CEO Jan Koum kept a note from co-founder Brian Acton taped to his desk to remind him of the company’s core values. It read: “No Ads! No Games! No Gimmicks!”
Revenge epic The Revenant was named best drama picture and DiCaprio and Inarritu walked to the stage to collect it together.
Nova School of Business and Economics consolidated last year’s strong performance by climbing a further 14 places to 17.
When asked if the central bank would do more, Dario Perkins, chief European economist at Lombard Street Research, said: “I don’t think so, unless something goes wrong in the wider global economy.”
[k?ud]
calendar
《橘色》,导演:肖恩·贝克(Sean Baker)。