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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continuous 联想记忆:
House prices in China continue to fall as investors shift focus from the property market into equities.
而相对来说,普遍推出的新限购政策,并未让其他许多最近几个月表现突出的城市受到影响,房价同比依然大幅上涨。
康乃尔大学商学院院长兼该报告的合著者苏米特拉·达塔表示:“在提高创新素质上面投资是 缩小创新鸿沟的关键。”
Taylor Swift vs. Katy Perry
Foss 还指出别人的推荐信有时间标记。如果你一周之内有五个新的赞那样看起来会很可疑,这些赞不像是真心的,好像你在刷好评,让别人说你好。

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.

China produced an estimated 420.5 tonnes of gold last year, according to the World Gold Council. Over the same period, Chinese demand for gold rose by 4 per cent to 953.3 tonnes, it said.
To start with, a year before the first iPhone was released, LG had introduced a full touchscreen phone. Even that was not the first, though. The world's first touchscreen phone was IBM's Simon, which was released in 1992. And touchscreen technology even predates the Simon. The first touchscreen device was a tablet made by E.A. Johnson in 1965 that was used by air traffic controllers until 1995. Bent Stumpe and Frank Beck made the first capacitive touchscreen in the early '70s. Unlike Johnson's tablet, it could not be pressed with the fingers. Instead, it required a stylus. In 1971, Samuel Hurst developed the first resistive touchscreen, which he called the "elograph." It responded to the fingers as well as a stylus. In 1985, HP invented the world's first touchscreen computer, called the HP-150. In 1993, Apple also released its first touchscreen device—the Newton Personal Digital Assistant. The product was a flop, recording low sales.
If you work hard and benefit the company you work for, you deserve to be rewarded for that. If your boss hasn't given you a raise in the last two years, ask for one. If he or she says no, get out now.
“The employee said she was going out to buy boots, but was never seen again.”
上榜的15个在线MBA项目为在职高管们提供了灵活的学习选择,他们在毕业时可以获得与全日制“住读”MBA学员一样的学位。
《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。
China’s handling of its state reserves of raw materials such as cotton and sugar will be a key factor shaping the direction of agricultural commodities in 2017, according to a major lender to agribusinesses.

乔布斯正在展示 iPad 2。2011年3月,旧金山
201103/129769.shtmlEveryone tells a white lie on occasion, it’s just a question of why. Some white lies save relationships, some ease a hectic situation, and others buy us time. We all do it, so there is no reason to deny it. As long as we aren’t hurting others or breaking the law, these innocent lies can make life more pleasant. Most of these white lies only stretch aninterpretation of what the truth actually is anyways. Here’s a list of the 10most common white lies and why we tell them.
We will take comprehensive steps to improve product quality.
Coca-Cola cut its sales forecast for this year as it struggles with a consumer slowdown in China, sending the drinks group’s shares down more than 3 per cent.
据另一家市场研究公司Counterpoint的统计数据显示,中国去年智能手机总出货量达到了4.65亿台,占据全球总量的近三分之一。
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%。
Google has now said it won't make him pay the fee.
课程安排:5个住校学习时间段,不住校时在线学习
变化世界中的得与失
“常见物乱更名奖”,每年都是我的心头好。几年前,Speedo曾将泳帽改称为 “头发管理系统”(hair management system)。去年,Falke更绝,将一款袜子称作“生活问题解决方案”(Life Performance Solutions)。
The actress who kick-started the exposure of Hollywood moguls who allegedly exploited positions of power to abuse women has branded #MeToo campaigners against sex attackers 'losers'.
游戏平台:Xbox One、Xbox 360、PS4、PS3 、PC
Most of the cellphones sold in 2016 are smart phones installed with the Android system and 4G ready, according to the report.
There's a crucial element in team building called planning that often seems to elude those franchises that are stuck in the mud.
Purchase products like magazine racks, shelves, and desk organizers that will keep your supplies and resources in order and close-at-hand. We love the File File, $24.95, at CB2.com (pictured above).
LONDON — In the 1970s, the British comedian Tommy Cooper used to tell a joke about asking an auction house to value a violin and a painting that he had discovered in an attic. The good news, he was told, is that they were made by Stradivarius and Rembrandt. The bad news was that the painting was by Stradivarius and the violin was by Rembrandt.
'I was blown away by him,' Kushner recalls. 'The first time I interacted with him was at News Corp, when he was meeting with Murdoch, and I was looped in to provide perspective. Nick described the vision of what he was trying to accomplish. And he was providing insight to Rupert.' D'Aloisio's stage presence, coupled with the deep-pocketed credibility brought by Li, attracted a large group of benefactors to Summly, including Ashton Kutcher, Yoko Ono and Stephen Fry.
当然,格雷泽又从库布里克那借鉴了一些拍摄手法,尤其是外星人在无边际的外太空出生的一幕。他借鉴了尼古拉斯·罗格的《天降财神》,或许在画面的安排上也借鉴了大卫·林奇。但是在科幻情调中,他带给我们当代现实主义的勇气和动力,使我们回想起像肯·罗奇这样的影片制作人的作品,甚至是阿巴斯·基亚罗斯塔米和他的《樱桃的滋味》的开头,一个绝望的男人开着车,绕着德黑兰的流动劳动力市场,拼命的找人来帮他。这些奇妙的外星人题材被打磨的通俗化甚至矫情做作。外星人不解的在电视上看着汤米库珀的一幕已经成为色调悬念的代表作。
8. Your appendix might not be a useless evolutionary byproduct after all. Unlike your wisdom teeth, your appendix might actually be serving an important biological function - and one that our species isn't ready to give up just yet.

达奇斯说:阿迪达斯在今年的12个月里增加了3400万名新粉丝。公司把粉丝们带动了起来,粉丝们一整年都在进行积极的讨论,公司因而从中受益。
但3D版吉祥猴的形象却未能避开炮击,挑剔的网友纷纷吐槽:“这让我想起红绿灯!”;“水墨画的精髓全然不见”;“耳朵下面的两个球是什么呀,太抢镜了……”;“已被它丑哭。”
首次发现直接由禽类传染人类的流感病毒,此病毒的传染与接触家禽市场有关。香港有六人死亡。这种病毒之所以不同,是因为它并没有通过传染猪,使猪成为中间宿主,而是直接由鸡传染给人类。另外,年轻人中感染最严重的病症有些与1918年“西班牙流感”病毒相似。
而中国喜剧片《羞羞的铁拳》目前已在全球获得3.26亿美元的巨额收益。
200911/90348.shtml
The Pelicans have struggle to attract and keep free agents, they must retain Jrue Holiday this summer, Cousins is from nearby Alabama and enjoys a close friendship with Anthony Davis, and years of disappointing and injury-plagued seasons put the franchise in a position where it seemed to be teetering on perennial also-ran status.

LED照明行业新三板上市热

低通胀反映出需求趋弱,不利于人们增强对经济转型(从侧重制造业转向侧重消费)的信心,但另一方面,这种局面为中国政府实施刺激措施留出了空间——假如它希望为经济提供更大支持的话。
2017年排行榜分别评选了60个“无工作经验要求”的项目和6个“有工作经验要求”的项目。“无工作经验要求”的项目主要面向拥有很少或没有金融业背景的学生,“有工作经验要求”的项目针对的是已经在金融领域工作的专业人士。只有少数几家学院提供“有工作经验要求”的课程。
There are 27 companies that are dropped from the list this year, including AT&T, IBM, Siemens and Xerox.
The findings of the US and UK scientists are based on thousands of global temperature measurements taken daily on land and at sea.
谈到他想让他们的关系“正式化”的愿望,拉格菲尔德曾表示:“目前还没有人类和动物结婚的……我从未想过我会像这样爱上一只猫咪。
随着中国收紧法规,中国的黄金公司日益期盼进行海外收购。去年,山东黄金矿业股份有限公司(Shandong Gold Mining)同意以9.6亿美元购买巴里克黄金公司(Barrick Gold)持有的阿根廷贝拉德罗(Valedero)金矿50%的股权。
我敢保证,魔兽霍华德从未用过生长激素,但在其他人看来,他似乎用了很多。自从离开高中进入NBA后,霍华德的体形似乎翻了一番。
Like air, blue skies treat everyone equally.
随着他不断运用网络来搜集知识,达洛伊西奥意识到,他急需一个能让他快速确定文章阅读价值的方法。于是他构想了一个摘要工具,能运用语言学理论来编写低于400字的内容提要。
“The US economy is likely to grow by 3 per cent plus this year as well as next year.
其次,尽管人们还守着老的观念,现实却已经发生了变化:供应链管理——也就是确保货物以尽可能低的价格和尽可能高的效率到达目的地——已经成为一项高科技、高风险的行业了。它要求从业者“硬件能力”和“软件能力”缺一不可,而能达到这种要求的人才实在很少。
多名网友爆料称,周六日研究生入学考试开考前,部分试题和答案就已经提前被公布了。
需要快速发送大到2GB的大型文件?不妨试试WeTransfer.com。你甚至不需要建立账户,我几乎每天都用它传文件。
transportation
激情是保持公司策略顺利运行的关键所在。在创业过程中三心二意,将让你失去成功的动力。从长远来看,坚持不懈是推动一切事物发展的唯一保证,不论是个人生活、工作还是运营一家公司。直到晚年,亚伯拉罕o林肯的大多数努力都以失败告终,但他从未放弃。

In those days, of course, Rembrandt was the gold standard. But the Dutchman and his fellow old masters have fallen out of fashion and are no longer as coveted by collectors and investors.
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.
5、毕福剑违纪
n. 感动(激动,愤怒或震动), 搅拌,骚乱
我发现自己经常担心一些事情
Every great detective needs his or her definitive story. For Sherlock Holmes it was The Hound of the Baskervilles. For Agatha Christie’s fussy Belgian sleuth Hercule Poirot it’s Murder on the Orient Express – a tale in which a bloodthirsty villain kills a wealthy businessman during a train journey through the Balkans. Or are things really what they seem? Sidney Lumet made a beloved film out of the story in 1974, with a stunning cast that included Sean Connery, Ingrid Bergman and Albert Finney as Poirot. Now Kenneth Branagh is donning the Belgian’s moustache himself, as well as stepping behind the camera as director, in his glossy new big-screen version, starring Johnny Depp, Daisy Ridley, Michelle Pfeiffer, Penelope Cruz and Dame Judi Dench. Is there something new that can be mined from this story? Maybe. But even if not, Christie fans will surely want to climb aboard. Released November 3 in the UK, November 10 in the US, China and Turkey, and November 30 in China's Hong Kong and Singapore. (Credit: 20th Century Fox)
Do you often feel gloomy and down in the dumps?
课程安排:为期一周的课前培训后,学员在每周末的星期五和星期六交替上课,周五晚提供住宿。最后一个学期需住校学习两周,其余时间在线完成学习任务。

About this series

Since 2001, I’ve helped direct an annual 2月20日房地产板块资金流向一览 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.

有关她在片中角色的细节尚未披露。
流行音乐界永远的一号叛逆者夏洛特·艾玛·艾奇逊带着一张出色又令人惊讶的混合专辑回归了。
The best of 2015
冷空气是被一个名为高空急流的气流循环带到美国本土的内部,这让北极的冷空气南下。但是,一个抵消这种冷空气的怪现象,让异常温暖的热带空气停留在西部地区、阿拉斯加大部分地区以及北极大部分地区的上空。
Effectively strengthening environmental protection
“整个20世纪下半叶,在世界各地,贸易和经济增速都出现了这么大的差异。所有的专业化分工都意味着出口增长快于GDP增长,”威廉姆斯说。
社交名媛卡戴珊8月份参加凯莉·詹娜的19岁生日聚会时,笨手笨脚从跑车出来的方式让她不小心走光太多了。
《无为大师》
ef出,fect做-做出来的效果
According to the new report, over the past 20 years India has been the leading user of anti-dumping cases, filing 767, or 15 per cent, of the 4,990 initiated between 1995 and 2015. The US accounted for 570 while the EU registered 480.
首次发现直接由禽类传染人类的流感病毒,此病毒的传染与接触家禽市场有关。香港有六人死亡。这种病毒之所以不同,是因为它并没有通过传染猪,使猪成为中间宿主,而是直接由鸡传染给人类。另外,年轻人中感染最严重的病症有些与1918年“西班牙流感”病毒相似。
作为回应,维尔德斯把吕特归为骗子,指责后者未能遵守在2012年选举期间做出的不支持纾困希腊的承诺。
The rise of populism, even in countries such as the US and UK where plenty of people are in work, has made politicians realise that the quality of jobs is as important as their quantity.
It makes piggybacks more comfortable.
最令人兴奋地其实是交易期

This post is in partnership with Entrepreneur. The article below was originally published atEntrepreneur.com.
8.The Big Bang Theory Whiteboard Has Real Equations
有理由怀疑纳伦斯-诺埃尔是否能成长为可靠的先发中锋,这些理由包括他的伤病史、场外红灯行为和非常有限的进攻手段。
lace
7. Political wars guarantee intense volatility through 2014-2016 elections
当你和他/她在一起的时候,你看不见周围的所有人,你的眼中只有他/她
China's National Bureau of Statistics said its property prices index for November showed that new home prices fell 3.7 per cent from a year ago, the third straight annual decline following readings of -2.6 per cent in October and -1.3 per cent in September.
《临床心理学》在2012年刊登的一篇研究文章中凸显了设身处地的作用。不管当事人有没有记忆方面的问题,这个方法都能够提高他们的提高记忆能力。和其他针对人类记忆的研究一样,科学家们要求参与者们记忆一个关于人格特点的单词表。参与者被要求使用特定的、能够帮助他们回忆的方法。比如有些参与者用谐音记忆,有些联想这个特征的定义,有一些则用“设身处地法”,把自己想象成那么一个人。
My fellow trainer, Sylvia Guinan, made me aware of these rules that a husband has laid out for his wife to follow during the 2014 World Cup.

伦敦阿格纽艺术品交易所(Agnew’s)的主管安东尼·克赖顿-斯图尔特(Anthony Crichton-Stuart)说:“如果没有意识到我们处在非常危急的关头,那就太天真了。人们的偏好出现了重大转变。但是如果拍卖会上出现一幅18世纪前绘画大师的佳作,而且价位合理,人们还是会感到兴奋。”
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。

《火线警探》,FX,1月20日。副警长瑞兰·吉文斯(Raylan Givens,蒂莫西·奥利芬特[Timothy Olyphant]饰)与他的朋友兼天敌博伊德·克劳达(Boyd Crowder,沃尔顿·戈金斯[Walton Goggins]饰)之间爱恨交织的关系贯穿了整部剧,不管怎样,这个问题将在第六季,也就是最终季中得到最终解决。
排球拳击乒乓球举重沙滩排球铁人三项艺术体操蹦床篮球射击羽毛球艺术体操足球网球
Besides, Japan and the United States are still innovation hot spots and chemical, semiconductor and electronic components and autos are the top innovative industries, according to the report.
200912/93010.shtml
According to local media, the gang, based in Nanning, the capital city of south China's Guangxi Zhuang autonomous region, was able to make up to 16,000 yuan (£1,750) profit on every tonne of the putrid meat, by injecting it with chemicals, increasing its weight by 50 per cent.
时间:2010-01-29 编辑:vicki
随着性骚扰丑闻迫使投资者反思他们支持大多由年轻白人男性所创项目的习惯,新的一年硅谷的女性创始人将筹集更多资金。被不光彩传言缠身的一些男性创始人,其初创企业将无法再拿到融资,即使它们是很好的投资项目。
在弗丽达·詹尼尼(Frida Giannini)为古驰(Gucci)设计的很多时装秀上都可以看到这种理念,包括2014年秋冬的台布渐变色和A字皮裙;2013年春夏的粉色长款衬衫和褶饰女主人连衣裙;2009年春夏的披头士风格鲜艳裤套装和宽松束腰长裙。
But the developments also point to the vast gap in the use of such cases between the US and EU, where a debate is under way over whether to grant China “market economy” status in the World Trade Organisation, a concession that would make it even harder to bring anti-dumping cases.
The results are based on a survey of 15,870 people across the country in August and September.
1.《雨人》
《沃兹汽车》将于1月15日在底特律一个与北美国际汽车展(North American International Auto Show)联合举办的仪式上颁发十大最佳引擎奖。
German Three:Mercedes-Benz begins to sag as new lower-priced Benz’s inevitably erode its once invincible “the best or nothing” status. At BMW, imminent arrival of a new 7-series cements its status as the preferred brand of Scarsdale, Shaker Heights, and Santa Monica. A new A3, starting at $30, 795, should nicely lift Audi’s sales beyond 2014’s 15% climb, and a new Q7 SUV should nicely lift profits.
The Great Recession had devastating effects across the U.S. and few places were as hard hit as Arizona. The state was booming on the strength of its tourism and real estate markets during the 2000s. Median home prices jumped 70% between 2003 and 2006—only Nevada had bigger gains—fueling more building and construction jobs. Monthly unemployment was at 3.5% through much of 2007. But then the bottom fell out. Home prices plummeted more than 50% from their peak and 6% Arizona properties received foreclosure filings in 2009. Unemployment stubbornly remained in double-figures for most of 2009 and 2010 and only Nevada lost a higher percentage of jobs over the last five years. Household incomes declined at the fastest rate in the country since 2008.
1. Hokkaido, Japan-Though known primarily to the outside world for its ski resorts and powdery snow, Hokkaido's year-round beauty might soon become a more familiar sight to foreign visitors. The new bullet-train service from Tokyo should help.
He also posted a picture of himself looking at a racially diverse group of children.
普斯·格洛(Pussy Galore)在本书中回归,这也是首次有邦女郎在邦德身边昙花一现后,拥有了自己的故事线。
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。
与此同时,法国拉罗谢尔高等商学院(La Rochelle Business School)的排名却下滑12个位置,排在第60位,去年该学校是排名上升最快的学校之一。
Wishing you happiness during the holidays and throughout the New Year.
跳水游泳花样游泳篮球小轮车曲棍球田径
They are typically designed for students with an average age of 22.
3.《初恋50次》
The only things in the way are his staff, Republicans in Congress and the limits of his power. And those are important. Campaign promises of 45 per cent tariffs on Chinese goods have turned into investigations into Beijing’s intellectual property regime.
《唐顿庄园》(Downton Abbey),PBS,周日播出。第五季一开始,格兰瑟姆伯爵的自尊就遭到了新打击,还有一个非婚生的婴儿藏匿在乡间小屋的情节,有些维多利亚时代的气息。对于那些还没有通过不法方式看到英国播出的剧集的人,以及那些没看过剧情梗概的人,我们只说第一集中有非常激烈的场面。
但关于是否会诞生另一个火爆产品,来打破关于后乔布斯时代苹果前途的质疑,库克许久以前就学会了耐心和相信自己的直觉,正如他在1998年加入正处在困境中的苹果时对质疑者置之不理一样。
此外,他指出,鉴于中国正在努力推动本国经济从出口转向消费的再平衡(从而减少对中间投入品的进口需求),再加上“中国政府鼓励使用国内供应商的政策”和其他地区保护主义的兴起,“全球贸易在短期内不太可能回暖”。