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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

或许是作为回应,在2017年初,中国媒体监管机构在报道票房数据时悄然开始计入在线票务公司收取的服务费。
In the past two decades, several campus poisoning incidents have sparked mass debates and concerns about students' psychological development and support.
根据这份新报告,在过去20年里,印度是发起反倾销案最多的国家,在1995年至2015年间发起的4990件反倾销案中,印度发起了767件,占比为15%。同期,美国发起了570件,欧盟发起了480件。
即便缩减购债规模的行动进展顺利,今年大部分时间美联储也会在是否最早于2015年开始加息的问题上举棋不定。
美国电话电报公司
Always wanted to be an author but not sure where to start? Have you considered self-publishing? Thanks to Amazon, you can. Kindle Direct Publishing allows you to get the word out via e-books, CreateSpacehelps you develop a print edition and ACX is the audio publishing division. I’ve used all three to develop my book.

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.

adj. 有益的,有利的
9.We here in the UK want nothing more than to provide you, our guests, with a fantastic experience this summer, combining the best in international sport, brilliant facilities, fantastic entertainment and a cultural legacy that draws on centuries of excellence in art and architecture. If you ended up with four tickets for the wrestling at the ExCel Centre, well, better luck next time.
她和妹妹都是通过家庭辅导接受教育的。她的妹妹也出演了《Dance Moms》。去年,以两姐妹的名字创建的时尚品牌The Maddie & Mackenzie Collection问世。
Goldie Blox是一家玩具公司,使命是重新定义玩具商店中的“粉红走道”。在科学、技术、工程和数学(STEM)教育和职业领域,男性数量要大大多于女性,大部分女孩往往在八岁前就对这些领域失去了兴趣。Goldie Blox所设计的玩具则通过吸引女孩发展强大的口头及故事讲述能力的方式——同时仍提供机会来发展日后可转化成对工程学兴趣的技能——来鼓励和启发未来的工程师们。说到机会,一家玩具初创企业如何能在和一开始就统治着玩具行业的大公司的抗衡中脱颖而出呢?Goldie Blox走出了明智的一步:最近,该公司发布了一段视频,采用了Beastie Boys的歌曲《女孩们》(Girls)做背景音乐,该视频得到了病毒式传播。尽管这段视频最终被撤下,但Goldie Blox在提高公众对让更多女性和女孩对STEM产生兴趣——以及对Goldie Blox玩具——的认知上,做了一份相当不错的工作。
Lenovo CEO Yang Yuanqing
节目32 歌曲《给我你的爱》,张杰 林宥嘉
“在古代,库车的名字在中国文学中叫做龟兹,是建立在西域绿洲上的一个非常强大的城邦,研究人员写到。

“Even if you have made your peace with a Fed rate rise there are other reasons to be nervous,” said David Hauner, head of emerging markets at Bank of America Merrill Lynch, who points to falling oil prices and the slowdown in China to illustrate why market volatility measured by the CBOE’s Vix index, a barometer of investor sentiment, has been elevated since August.
在全球,中国将会进一步进行并购和交易。在非洲,1百万中国人在努力获取自然资源。
Many bosses hold their staff accountable, but the best show that they hold themselves accountable as well. This means adhering to the same guidelines they set for their employees and taking responsibility for both team successes and failures。
中国的全国居民消费价格指数(CPI)和工业生产者出厂价格指数(PPI)仍很温和或处于收缩区间,但上月都出现了些许回升迹象。
Rogers, unhappy with the turn of events, decided to leave the show after the first three seasons. The breach of contract led to a multi-million dollar lawsuit. Ironically, Wayne Rogers had never signed his contract to begin with (he had a problem with a morals clause). The lawsuit was thrown out. You could say Rogers got the last laugh, but since M·A·S·H went on for eight more seasons and Rogers' never reached the same career success again, the last laugh might be a relative concept.
The excitement was triggered by a Reuters story that cited documents about the potential transaction as the source of its information. Samsung actually has made at least one play for BlackBerry BBRY -19.77% before, in 2012. As to this latest rumor, the alleged takeover target was the first to refute that a deal is in the works.
今年临近尾声之际,欧洲央行在12月3日投票削减其存款利率至负0.3%,并扩大资产购买,使量化宽松计划的规模达到1.46万亿欧元。此举出炉十几天后,美联储(Federal Reserve)自2006年以来首次提高利率,突显大西洋两岸正在推行的货币政策截然不同。
4.Venice, Italy
Britney Spears continued her fall in the standings, after being knocked down from number 1 to number 5 in 2009, only to land at number 10 in 2010 as rising stars such as Lady Gaga and Justin Bieber become more prominent.
可以这样说美国银行首席执行官布莱恩?莫尼汉这个人:他很会说话。在给股东的信中,莫尼汉特地感谢美国纳税人,正是由于他们,美国银行才获得了450亿美元的不良资产援助资金。他还说自己如今正在金融改革方面同“政策领导人”紧密合作。不过他是否能做好,比如转变美国银行的境遇,就是另外一回事了。虽然美国银行的确在去年12月偿还了援助资金,但是它仍然有数十亿美元的高风险住房与商用房房贷,这也是为什么它要在年度报告中花8000字来讨论风险了。
3. Tablets meet viruses.
Colliding Neutron Stars
2.Batman vs Superman: Dawn of Justice
勉强能。民主党需要再赢得24个席位,这意味着他们需要守住特朗普去年胜选的全部12个民主党选区,并拿下23个在大选中投票支持希拉里克林顿(Hillary Clinton)的共和党选区,另外再添上一两个选区。算起来形势对民主党不利,但从历史先例来看形势有利于民主党。历任总统所在的政党几乎总会在中期选举时丢掉一些众议院席位,有时丢得还挺多,特别是当在位总统的支持率低于50%的时候。看一看2010年的巴拉克奥巴马(Barack Obama)就知道了。
As early as 2008, wearable technology—which can range in anything from measuring your heart rate to curating music based on your mood—has been touted as the next big moment in consumer electronics.
现金全款购房者。难以取悦的贷款人。暴涨的价格。匮乏的挂牌信息。这些现实,都困扰着购房者,使找房子的过程让人倍受打击。不幸的是,在新的一年,购房者们可能依旧需要在卖方市场里打拼。
New Year’s greetings and best wishes!致新年贺忱与最美好的祝福!
Exports to both South Korea and Asean countries fell by about 3 per cent, however, while those to re-exporter Hong Kong dropped by more than 16 per cent.
That's not even a sarcastic quip, it's the truth.

The highest scoring tournament: 1994 in theUnited Stateswhen 24 teams averaged 2.97 over 52 matches.
Skyfall Bond girl Berenice Marlohe has joined the all-star cast of Terrence Malick’s latest movie, which is in production in Austin.
根据声明,通州新的行政中心将把基础设施升级和生态建设放在首位。北京市政府希望可以提高该地区的教育、医疗、文化事务与产业在内的公共服务发展。
neg否认+lect选择→不选择→忽视,不顾
WASHINGTON (MarketWatch) — The U.S. economy finally got a big jolt of energy in 2014 after the lamest recovery since World War II. And 2015 is shaping up to be an even better year.
上个月,以美元计的中国出口跌幅显著超过预期,进口增幅也下滑一半以上。同时,对11月份数据的修正,抹去了原本疑似出现的人们长久期待的对外出口增长。

家居建材企业“斗地主” 品牌商谋自建渠道

Sebastian Payne
加拿大城市温哥华依然是北美地区最贵城市,在生活成本指数榜单上名列第21位。
The civil service exam consists of writing tests and interviews. The interviews are expected to be held in February or March, after the writing test results come out in January.
智能冰箱
中俄双方经贸合作的潜力很大,互补性很强,双方所达成的经贸关系目标是可以实现的。
但当格雷泽给我们带来《皮囊之下》,这部经过他长期酝酿的,由荷兰作家米歇尔·法柏的科幻小说改编的电影时,真是让人惊叹:欢快,不安,大胆。斯嘉丽扮演的外星人藏于人类的皮囊里,穿梭在格拉斯哥街道和商场,不亚于一位一线明星。现实生活中的路人在镜头中完美的展现,而隐身的约翰森面无表情的估算着三个地球人可被利用的热量值。接着演员带着被色诱的人类离开人群,来到她自己的地方:一个神秘的黑暗的洞穴中。在这里,情色恍惚间,人类贡献自己的肉体,被囚禁,被养殖成为食物,谁知道呢,又或许是人类的灵魂。
Estimates vary, but the research firm IDC projects that wearable tech will exceed 19 million units this year—more than triple last year’s sales—and will soar to 111.9 million units by 2018. Credit Suisse values the industry at somewhere between $30 billion and $50 billion in the next two to four years. But before that happens, the nascent market has that pesky wouldn’t-be-caught-dead-wearing-it hurdle to clear.
2015年末,中国银行业不良贷款率从1.25%升至1.67%,商业银行所持不良贷款额达到1.27万亿元人民币。
这些模子能让普通水果长出有趣的形状。
Zhu Xueqin, an NPC deputy and migrant worker from Shanghai.
那么多的人视而不见,不承认事实。真相是泡沫无处不在,随时准备爆掉。证据越来越多,结论只有显而易见的一个:泡沫破灭的风险最高可达98%。2014年这次崩盘几乎是铁定要发生的,躲过这枚子弹的概率只有区区2%。
They are also less likely to seek employment in a different sector after graduation. Only 30 per cent changed industry sector compared with nearly two-thirds of full-time MBA students.
判断权在你手里。
Last year was the hottest on earth since record-keeping began in 1880, scientists reported on Friday, underscoring warnings about the risks of runaway greenhouse gas emissions and undermining claims by climate change contrarians that global warming had somehow stopped.
米尔德里德的女儿7个月前遇害,但凶手仍然逍遥法外,主角一怒之下做出了一个大胆的决定:买下了小镇入口三张广告牌并在张贴图片中抨击颇有威望的警长威廉?威洛比。威廉的副手官迪克逊是一个幼稚的妈宝男,有暴力倾向。迪克逊卷入这件事后,米尔德里德和小镇执法系统之间的较量变得愈发激烈了。

豆瓣网友“Jiuyuehuashang”称:“剧中,爱情就是女主唯一的追求。她生命的意义似乎就是找一个真命天子谈情说爱。不对,不是一个,是三四个。”
core
"没人能阻止行动,我会用生命为代价一直投放宣传单张到北韩,"Park说,强调他一直有对抗北韩威胁的准备。
During the same period, Braziland Russia slashed their holdings to USD 261.7 billion and USD 108.9 billion,respectively.
12. 《教师》,导演:那达夫·拉皮德。
At least 120 million American voters had been expected to cast votes in the race between the Democratic incumbent and Romney after a campaign focused on how to repair the ailing U.S. economy。
我们对已经达成或者希望达成的一些区域贸易安排一直持开放态度,也乐见其成。只要是有利于贸易自由化的,我们都会去参与、去推进。
'Increased production in the U.S. meant that spot prices weren't reacting quite as much as in previous geopolitical incidents,' Mr. Hansen said. There is so much supply that threats to it have less impact than previously, and 2014 will be 'the first year in a while when supply growth is going to outpace demand growth,' Mr. Hansen said.

About this series

Since 2001, I’ve helped direct an annual 房产指标回落:意味房价普涨结束 楼市分化加剧 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.

Iese商学院的优势之一是其学风严谨。这所位于巴塞罗那的商学院在定制课程的所有指标上一贯表现优异。该校在15项指标中的11项上都跻身前五之列,并在国际客户和师资多样性两项指标上排名第一。
这部由塞巴斯蒂安.马拉比(Sebastian Mallaby)所著的《知者:格林斯潘传》(The Man Who Knew),是这项奖金额为3万英镑的奖项的第12位获奖者。该奖项奖励的是年度“最令人瞩目和愉悦的”图书。
节目29 创意乐舞《指尖与足尖》,郎朗 侯宏澜
From 'heelgate' to the Palm Dog to the 'Dad bod' – it's been a dizzying 12 days. Here are nine lessons from the film festival as it draws to a close.
“中国银行业面临的逆风将延续很长时间,”他说。“除了盈利来源减少,它们还将不得不为坏账带来的亏损做好准备。”
去年此时,罗丝·麦高恩以强奸罪控告制作人哈维·韦恩斯,在娱乐圈引发轩然大波,众多控告纷至沓来。
Some of the leaked photos and videos can still be found on Chinese social media as of press time.
May the coming New Year bring you joy, love and peace.
vi. 领先
romantic
美国哥伦比亚大学地球研究所周一发布的《2013全球幸福指数报告》显示,那些追寻快乐和幸福的人应该到北欧去,但得避开埃及以及那些受到欧元危机影响的国家。
2015年首个周末,全球第二大比特币交易所——位于斯洛文尼亚的Bitstamp遭到黑客袭击,丢失了价值约500万美元的比特币。科技媒体很快指出,此事令数字货币比特币2015年开局不利,财经新闻网站QUARTZ曾称比特币为“2014年最糟糕的投资”。纵观该数字货币2014年1月1日至2015年1月1日的表现,QUARTZ此言非虚:2014年底,比特币的价值仅为同年年初的39%。
Most observers would think the single-aisle Comac C919’s first flight last May (pictured) is illustrative of this, but while it is a key milestone, it does not represent the whole story about what is happening in the industry. Two other events are much more telling.
sc=scene(n 风景),roll(n 卷)-卷着风景的画卷
HSBC said its private reading of China's manufacturing sector was stagnant last month, confirming a "flash" estimate already published.

不会。结束罗伯特穆加贝(Robert Mugabe)长达37年的执政(军方在这件事上也帮了点忙)后,埃默森姆南加古瓦(Emmerson Mnangagwa)承诺在2018年举行自由选举。这引出了一个问题:他可能会输掉大选。他至少要装作选举是公平的,因为他需要政治献金来扭转经济。这将意味着要推行选举改革——可能会让其不受欢迎的非洲民族联盟-爱国阵线(Zanu-PF)输掉选举。即使姆南加古瓦准备好在选举中赌一把,还不清楚军方愿不愿意。已经把自己的人推上台的津巴布韦将军们,不太可能会容许公众再把他踢下去。
“My manifesto with Summly was to get our technology into as many users’ hands as possible,” Mr D’Aloisio said, pointing to Yahoo’s hundreds of millions of users. “With Yahoo’s reputation as a content portal, we have an opportunity to fundamentally change the way content is consumed.”
At the forum, tech entrepreneurs also shared their views on virtual reality, which they said will be the most important computing platform over the next five to 10 years.
Contrary to the consensus view -- which assumes that smartphones in China will only get cheaper -- she cites research showing that the average selling price stablized last yearand has actually started to increase as Chinese users trade up to higher-quality smartphones.
Slow growth around the world won't hurt the U.S. all that much. American exports might flatten out or even dip, but that would be offset by lower imports of petroleum because of sinking oil prices. So the trade deficit is unlikely to get further out of whack.
当瑞秋布鲁姆听闻自己赢得喜剧类电视最佳女主角奖项时,喜极而泣。亚马逊节目《丛林中的莫扎特》也意外斩获最佳剧集奖项。
在世界五大电脑制造商中,苹果公司是去年唯一一家出货量保持增长的公司,涨幅超过了6%;宏碁公司则是下跌幅度最大,下跌超过了18%。
单词galaxy 联想记忆:
The US has overtaken India as the leading user of anti-dumping and other trade defence cases, with China and its steel sector the biggest target, according to research.

?Bond is supremely confident. This makes him sexy. It also makes him great at his job; being overconfident often gives better results than being objective and rational. (We'd all be better off moderately overconfident.) Neither men or women prefer modest guys. Bond has the personality of a trained man of action: SWAT team members differed from the average person by being extremely confident ("self-deceptive enhancement"), more emotionally stable and more resilient.
5、毕福剑违纪

中国财富榜每年的变化反映了中国资本的流动,显示了这个国家超级富豪的金融实力。
万分沮丧之下,他发明了可以允许自拍的东西:他称之为"伸缩杆"。因为智能手机还没发明出来,所以,连接在自拍杆末端的是一个微型相机。在杆的前端有一面小镜子,方便使用者调整他们在相机里的姿态。他在1983年为"伸缩杆"申请了专利。虽然自拍杆进行了大量生产出售,却属商业败笔——相片的质量比较差。另外,以前的研究表明,那时的女士会因自己有自拍的想法而感到尴尬。在2000年,自拍杆被韦恩·弗洛姆(Wayne Fromm)重新发明,那时,上田宏的"伸缩杆"专利期尚有三年。弗洛姆称他的自拍杆为"快捷豆荚"。他认为他才是当今自拍杆的发明者,甚至起诉其他自拍杆生产者。当被问到上田宏的自拍杆时,弗洛姆评论说它们是"先前的艺术"。
1、拖延
Additional reporting from Stefan Wagstyl in Berlin
Columbus Day became a U.S. holiday in 1971. It is generally observed by banks, state government offices, the Postal Service and federal agencies. The bond markets are closed for the holiday, but many businesses and stock exchanges remain open.
本周二在竞选的最后阶段,罗姆尼还前往俄亥俄州和宾夕法尼亚州,希望能在这些摇摆州取得选票支持。奥巴马竞选阵营这边,副总统拜登也前往了俄亥俄州,奥巴马本人留守芝加哥。
4.虚拟助理:增长了17.6%
Top programme:Tsinghua/Insead
你感到抓狂是对的。公司无时无刻不在监视着你。无论你做什么都有记录:你打的每个电话,发的每条短信,每条在推特上发的帖子和讯息。在大部分公司,这些记录可永远不会删除(这吓人的吧,真可怕~)
在欧洲所有商学院中,高管MBA校友在毕业3年后的平均薪资为14.3万美元,管理硕士毕业生为5.4万美元。MBA毕业生平均薪资为12.3万美元。西班牙和德国的管理硕士毕业生在毕业3年后的薪资最高,均为平均7万美元。法国MBA毕业生和瑞士EMBA毕业生的薪资最高,平均薪资分别为13.7万美元和16.6万美元。
Not only does its small cohort of about 50 allow the school to select highly experienced participants, it also creates a strong bond between them.
A recent example: When Gwen Stefani launched her new album Spark the Fire, Swyft created a free sticker pack and distributed it on several of its messaging apps. It was downloaded almost a million times and sent between users seven million times, resulting in 41 million impressions in 10 days. Such campaigns cost anywhere from $50,000 to $250,000 for brands, Wray says.
墓地主人的身份依然是个迷。这座墓地曾经被盗过,而且墓地中没有任何的文字记录来表明这些死者的名字以及他们的职位。
beneficial
But some people might just remember the mustaches.
这场比赛的糟糕表现是本赛季截止现在科比打的最差的一场,但是坦白来说,这与之前的比赛并没有太大差别。在他的第二十个NBA赛季,37岁的科比的发挥已经和他的年龄相符了。
In addition, the urban population has increased and now represents 55.88 percent of the total population, an increase of 6.2 percent over the census of 2010.
Friends count too
STEP 3: PRACTICE CREEPY LOOKS
“Through the second half of the 20th century we had this big dispersion of trade and economic activity around the world. All this specialisation meant exports rose faster than GDP,” Mr Williams says.
人类在过去50年的平均寿命比人类存在的20万年中的平均寿命要长的多。目前,人类的平均寿命是70岁,1950年的平均寿命是47岁,两者存在很大的差异。
Recent initiatives to support two-way tourism between the two countries include the trial of the 10-year visitor visa; the open aviation market services arrangement which removes all capacity restrictions for airlines on both sides; and a new Beijing to Sydney service by Qantas Airways which was launched in January.
Take the intriguing reintroduction of “unfeigned regards” — last big in the 18th century and now found on emails from Indian help centres. But the winning sign-off, at the bottom of a message sent one Friday, was: “weekend well”. I nearly awarded it second prize for the best noun pretending to be a verb, though at the last minute this award was snatched by a consultant overheard saying: “Can we cold towel that?”
乔布斯在苹果博览会上展示iPod mini ,2004年1月6日,旧金山
8.Prosthetic Hands That Sense Touch
因此,D型人格的人并不是缺乏社交兴趣,而是可能对别人感兴趣,但又害怕接近别人,因为他们害怕被拒绝。
AT&T (T, Fortune 500) approved a stock repurchase of up to 300 million shares worth about $10.5 billion in March. The buyback is the fourth initiative announced over the past three years. Since 2012, when the company started its stock buybacks, it has repurchased 775 million of its shares.