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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

作为门户网站,雅虎将移动技术作为扭转厄运的重中之重。它将目光投向了英国少年尼克达洛伊西奥(Nick D'Aloisio)和Summly,后者能够为小屏幕设备自动生成新闻摘要。
Whedon had always loved the seemingly separate ideas of sci-fi and westerns, and through The Killer Angels, he saw a way to combine them. "I wanted to play with that classic notion of the frontier," he said. "Not the people who made history, but the people history stepped on—the people for whom every act is the creation of civilization." And Whedon decided to set the frontier on a spaceship: a ship named Serenity.
The dollar value of outbound shipments from China rose 12.3 per cent year on year in November, lifting from a revised pace of 6.8 per cent in October, and smashing a median forecast of 5 per cent from economists polled by Reuters.
担忧、紧张、抑郁和愤怒等负面情绪更常在D型人格的人身上体现。一件常常被他人忽视的小事就可能让D型人格的人烦恼,甚至会破坏他的心情。
Currency movements have had a strong impact on agricultural commodity prices this year, with the UK’s referendum on the EU leading to a sharp fall in the pound that pushed up the price of food imports and boosted agricultural exports.
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”。

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.

Will Emmanuel Macron secure a commitment from German chancellor Angela Merkel on a eurozone budget
3. 捷蓝航空(JetBlue) 品牌喜爱度:40%/排名:218
你花在上网上的时间多于你工作的时间
The regulations also specifically stipulate the taxi services.
联合国下属的国际农业发展基金会(IFAD)上周三表示,2016年,约有2亿名打工人员--其中一半是女性--向他们在亚洲、拉美和非洲的家人汇款4450亿美元。
Helsinki-based developer Remedy Entertainment has blurred the line between Hollywood and games with previous incarnations Max Payne and Alan Wake. Now the studio is combining next-generation visuals with the tension and drama of scripted television. Set in the university town of Riverport, Quantum Break puts players in control of Jack Joyce and Beth Wilder, a pair of ordinary people who are given the extraordinary power to manipulate time after an accident that creates a time rift. Time will randomly break down during the game, which causes disasters in the environment that pause, stutter, rewind and freeze. Fans of Max Payne’s bullet time will see new strategies emerge with gunfights involving time-amplified combat as the player fights against the Monarch Corporation. In addition to the virtual storyline, the game features custom live action storytelling that’s personalized based on the decisions one makes.
【中文译文】

John Stevenage, chief executive of British Mensa, said he was delighted for Nishi. He said: 'I hope she will make full use of her membership to meet new, like-minded people and challenge herself. Joining Mensa opens the door to an international network of more than 100,000 people and many members make friends for life.
This technology previously existed for arms, but legs are rather more complicated. And since a misread signal can send you jumping off a bridge or in front of a moving car, thought-controlled legs need more stringent programming than equivalent arms. As one of the researchers delicately put it, “If you're using a bionic arm and it misbehaves, the elbow may move slightly. If the prosthetic leg misbehaves . . . that could be quite a safety issue.”
One of the things that makes Guardians such a great superhero franchise is its sense of humor—which is full of self-deprecation and sarcasm. It's not like you're going to watch this movie and laugh your way through it, but you'll at least have some moments of "ha ha, Groot," and "lolololol Chris Pratt."
The release of Apple's iPhone 6s and 6s Plus models in September led to record sales in China, which accounts for more than a fourth of the company's operating income. Apple, whose products are often viewed as status symbols in China, is in competition not just with its South Korean archrival Samsung, but with the increasingly popular Chinese smartphone makers Huawei and Xiaomi.
You'd probably never think that a belt could be integrated with artificial intelligence, yet Belty managed to do it and make it seem stylish. The Beltyautomatically makes you think, "why do I need this?" Then your second thought will probably be, "what if it's hacked and they make it so tight I can't breathe?" The first question is rational; the second one is far-fetched — but if it makes you think twice about buying this product, that's not a bad thing.
感谢和凯尔特人的选秀权交换,他们没有理由摆烂。他们或许会从参选球员中选到一个最佳安慰奖以推动球队前行。
习及一些领导人员已经明确指出,中国将会进行可持续发展、内需为依托的经济转型,为此中国可以忍受稍微慢一些的增长速度。于是一些预言家马上就下出结论,认为中国经济会因而立即大幅减速。特别是中国曾经有过这样的先例。在1978到1993年中国领导人进行改革开放,然而在政策施行的最初阶段中国经济曾经遭遇不稳定。
Until now Thor has been the neglected child of the Marvel Cinematic Universe. Though some liked Kenneth Branagh’s first film featuring the god of thunder, Chris Hemsworth was arguably overshadowed by Tom Hiddleston’s preening popinjay of a villain, Loki. And the second film, the humourless Thor: The Dark World, is widely regarded as the worst film released by Marvel Studios to date. So to inject new life into this sagging franchise, Marvel brought in New Zealand comedy auteur Taiki Waititi to add some Kiwi quirk. This time Thor faces down the goddess of death, played by Cate Blanchett. Thor may have the hammer, but she has the attitude. Released November 1 in Serbia and Hungary, November 2 in Cambodia and Israel and November 3 in India and Canada. (Credit: Marvel Studios)
Hurricane Irma
This is second major English-language role for the French actress, who co-stars opposite Daniel Craig in Skyfall as the enigmatic Severine. The movie opens Nov. 9 in North America but already is shattering records internationally.
深化生态文明体制改革。
['di:li?]
“The worker threw a brick through the window with the words ‘I quit’ written on it.”
5Japan
"It may affect them for life," Dershowitz said.
benefit
For: A huge box office hit that could benefit from a slowly-changing Oscar voting demographic.
Admittedly, choosing the most clichéd gender colors can seem a bit simplistic, but Pantone has a broad constituency to manage; this is not about the cutting edge, but the big middle.
乔布斯在苹果全球研发者大会上手持iPhone 4 ,2010年6月7日,旧金山

“理查三世研究小组”的成员菲利帕?朗丽说,她希望能重塑理查三世的形象,都铎王朝的继任者塑造出来的片面形象将不复存在。她负责协调研究工作以及筹款。
It’s wall-to-wall pure pop heaven, crackling with originality and dark humor, teeming with action sequences so perfectly timed and executed you almost want to run out of the theater on the spot so you can call a friend and rave about it — but you wouldn’t dare leave your seat because you wouldn’t want to miss a frame of this brilliant, pulse-quickening gem.
3. Feng Shui
虽然出现上述下跌,但保费收入同比增长37.3%,至1.88万亿元人民币,保险业资产总量达到14.27万亿元人民币,增长了15.42%。
headway
May the New Year bring many good things and rich blessings to you and all those you love!

揭秘家居建材行业6种营销活动“真相”

adj. 投影的,投射 v. 投射(project的过去
社会科学家们分析了来自大西洋两岸的数据,发现了一些惊人的事情:在社区内,引起白人不满,并令他们支持反移民政策的,并不是多样化民族或种族的人数,而是变化的速度。
我国经济基本面好,商业银行资本充足率、拨备覆盖率比较高,可动用的工具和手段多。对守住不发生系统性金融风险的底线,我们有信心和底气、有能力和办法。
10.自拍杆
It was the best of times, it was the worst of times…
adj. 无限的,无穷的
Last year, the CPI increase peaked at 2.5 percent in January, and later fluctuated below 2 percent during the rest of the year.
The prize sold for a winning bid of $950,000 at auction, and an additional buyer's commission brought the final sale price to $1.16 million.
[in'telidns]
No wonder that banks have begun to get creative.
你从来没有一醒来就能积极地工作
In early December, authorities announced that market circuit breakers would be introduced become effective from January 1 in an effort to limit the volatility seen during the savage, summer sell-off from June. The circuit breakers would see trading in shares, options and futures halted for 15 minutes if they fell by more than 5 per cent. On their first day of use, that first threshold was breached just after the return from the lunchbreak, prompting a 15-minute halt.
This slide in the dollar value of exports has entirely been a price effect, driven by lower commodity prices. In volume terms, emerging market exports have continued to rise since 2014, even if volume growth in year-on-year terms has moderated to around 2 per cent, a fraction of the double-digit rates witnessed either side of the global financial crisis, as the second chart shows.
●"Florida man dies in meth-lab explosion after lighting farts on fire"
在北大和清华大学之后,中国内地入选该榜单前20名的院校还有中国科学技术大学,该校位居第15位;复旦大学排名第16位,上海交通大学排名第18位,而浙江大学排名第19。

A report from the ministry showed that employers recruited 5.2 million workers through public employment service agencies in the first quarter, dropping 229,000, or 4.5 percent, from the previous year.
而中国工商银行排在榜单的第十位,是该榜单上排名最高的中国企业。
今年时装周预计在今年9月14日至18日举行,在此之前,由歌手帕洛玛费斯撰写并由善待动物组织出版的公开信中呼吁伦敦时装周和英国时装协会禁止动物皮草的使用。
该项目曾在2006年荣获亚军,并在2008年斩获冠军头衔。
But, despite the incessant warnings from security researchers, many people are still turning to weak, easily guessable passwords to protect their devices.
Science and engineering fields dominate the list of highest-paying college majors, with software engineering, bioscience, and electronic information engineering among the most lucrative majors.
Sam Smith is a fluid soul man, with style channeling Otis Redding, Aretha Franklin and Ray Charles alongside modern icons like Amy Winehouse and Adele.
I wonder why LeBron James doesn't wear those weird things on his biceps and shoulder anymore. Well, actually I bet he doesn't wear them because they're useless.

About this series

Since 2001, I’ve helped direct an annual 南玻A原大股东精准减持引质疑 或涉嫌内幕交易及操纵 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.

祝好运、健康、佳肴伴你度过一个快乐新年。
6. Smart refrigerator
11. 另外26部我喜爱的影片——为什么不呢?其中很多影片本可以跻身我的十佳之列的。《迷失1971》(’71)、《艾米》(Amy)、《失常》(Anomalisa)、《骇客交锋》(Blackhat)、《芝拉克》(Chi-Raq)、《机械姬》(Ex Machina)、《实验者》(Experimenter)、《诉讼》(Gett: The Trial of Viviane Amsalem)、《恐龙当家》(The Good Dinosaur)、《伟人》(The Great Man)、《头脑特工队》(Inside Out)、《奋斗的乔伊》(Joy)、《洛杉矶消逝的风景》(Lost Landscapes of Los Angeles)、《魔力麦克2》(Magic Mike XXL)、《办公室》(Office)、《结果》(Results)、《荒野猎人》(The Revenant)、《西默简介》(Seymour: An Introduction)、《小羊肖恩》(Shaun the Sheep Movie)、《女间谍》(Spy)、《冲出康普顿》(Straight Outta Compton)、《橘色》(Tangerine)、《廷巴克图》(Timbuktu)、《生活残骸》(Trainwreck)、《白色上帝》(White God)及《狼群》(The Wolfpack)。
制度也可能失效。
最佳喜剧类编剧:阿兹?安萨里(Aziz Ansari)和艾伦?杨(Alan Yang),《无为大师》,“父亲母亲” (Master of None, "Parents")
Samsung’s comment was shorter: “Media reports of the acquisition are groundless.”
Entrepreneur Pat Crowley, the hydrologist who invented the Chapul cricket protein bar, used Bigcommerce to validate early interest in his products and build the momentum to negotiate deals with health food stores and supermarkets. The team recently recommitted toBigcommerce, despite a compelling opportunity to switch to the Shopify platform for far less money. “We don’t think we will outgrow them anytime soon,” he said.
6. Cutting Down on Saturated Fats Could Preserve Your Memory
Sn(EgO+kESd8fwo
adj. 相同的,同一的
On Monday night, Ankara confirmed that the Dutch ambassador would not be welcome to return to Turkey.
“但书中又总是有人质疑他、说服他、跟他说‘慢着’。”
4. We can’t go into detail on this matter.
考克斯说:“没人真正知道末日是什么样子的,上帝又会如何让末日降临。”
Its GDP increased 7.5 percent compared to last year, according to a report by 21st Century Business Herald.

Children show “Paper-cutting Flowers” (China Southern Dance School under the China Dancers Association)
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.
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。
Video footage recorded by the RSPCA shows the house littered with mess, including animal faeces.
他说,本周早些时候他和美国国务卿克里的会谈显示,美国准备朝“解决只有通过共同努力方能解决的问题”的方向发展。
Price growth in top cities was slower, however, with Beijing, for instance, reporting a rise of only 0.5 per cent from the previous month, compared to 4.9 per cent in September.
中国迅猛发展的网红经济历经了3个阶段——第一阶段基于语言文字,第二阶段是文字加图片,现在由于宽带网络的可获得性,第三阶段就是视频。
它们的计算方法着重于学校的研究成果和声誉而非特定的本科或研究生课程。这不同于该报在编纂最佳学院排名和最佳研究生院排名时所用的方法。
Will José Antonio Meade be the next president of Mexico

8. How to dip dye hair
每平方英尺单价:310美元(每平方米约合人民币2.1万元)

China does not want to see a trade war between the US and China. That would not make our trade fairer and cause loss for the both sides.
图表二显示的是实际联邦基金利率(计入通胀因素后)和实际自然利率。可以再次看到,当联邦基金利率高于自然利率时,新兴市场危机更为常见。
Investigators have arrested one youth and one 18-year-old in connection to the July 9th shooting death, which occurred inside a Jamestown Cres. home.
We will boost the development of modern agriculture.
与此同时,大学毕业生选择继续深造的意向也降低了,这让今年选择就业的人数比例达到了75.6%,而去年这一数据为71.2%。
有人会认为卡莉·西蒙演唱的《海底城》的主题曲最好听。他们可能有自己的理由,可能是因为这是"邦德电影中最好听的歌曲"。曲调欢快、充满吸引力、浪漫抒情,卡莉西蒙的演唱打动人心。但是这些对詹姆斯·邦德、他的冒险旅程、他的来历甚至他的电影没有任何特殊引导作用。尽管《没人做得更好》被认为是一首好歌,但是由于上述原因它并没能进入榜单前五名。
[f]
The Shape of Water
美国的排放量在经过了最近几年的持续下降后,提高了2.9%。
下面是一些应该引以为戒的例子,求职者:
Huawei, the Chinese technology group, has taken market share from both Apple and Samsung, according to BrandZ.
In one example, Christie’s was offering the mid-18th-century canvas “Rebecca and Eliezer at the Well” by the Venetian artist Francesco Fontebasso at a low estimate of 120,000. The pleasant piece of rococo decoration had been bought at auction in 1990 for $286,000, according to Artnet. At the Dec. 8 sale it fell to a single telephone bid of 115,000, about $170,000, before fees. Investors do not expect to incur a loss of about 40 percent a quarter century after buying a Warhol or a Basquiat. Reselling an old master can be even harder when that painting has been languishing in a dealer’s gallery.
苹果公司首席执行官蒂姆库克
Turn your work in on time. If extra credit work is offered, do that too.
announced
Isolated in northern China, this virus was similar to the virus that spread before 1957. For this reason, individuals born before 1957 were generally protected, however children and young adults born after that year were not because they had no prior immunity. By January 1978, the virus had spread around the world, including the United States. Because illness occurred primarily in children, this event was not considered a true pandemic. Vaccine containing this virus was not produced in time for the 1977-78 season, but the virus was included in the 1978-79 vaccine.
英国气象办公室哈德莱中心(UK Met Office's Hadley Centre)气候监测与分析的负责人彼得斯托特(Peter Stott)表示,人为造成的气候变化是升温的罪魁祸首,导致世界进入“未知领域”。哈德莱中心发布的研究报告也印证了美国研究人员的分析结果。
With interest rates expected to rise only slowly, commodities are likely to attract hedge funds and other speculative investors looking for juicier returns, said the bank.
来自荷兰的Anita Eerland和Rolf Zwaan,以及来自秘鲁的Tulio Guadalupe被授予心理学奖,其研究题目是《向左倚靠会让埃菲尔铁塔看上去更小一些》。
5.Taxi Driver
《Chandelier》的视频点击量已突破7.12亿,是YouTube点击量最高的MV排行榜上的第17名。
The seven large brick tombs were likelyconstructed for people of wealth, the researchers said.
“An employee bragged to all his colleagues that it was his last day, but failed to let his boss or the HR manager know.”
凯特哈德森接受ELLE专访谈感情
“目前市场上有大量尖端,环保的人造皮草,我相信你会同意现在没有任何借口来杀死动物以获取皮草了。”
艾玛·汤普森曾因影片《霍华德庄园》(Howards End)以及《理智与情感》(Sense and Sensibility)两次获得奥斯卡金像奖,而她把小金人放在洗手间这一做法也广为人知,她说:“放在其他地方都显得格格不入,它们太大了,又金光闪闪。”而艾玛并不是唯一一个这样做的人,苏珊·萨兰登(Susan Sarandon)、莱昂纳尔·里奇(Lionel Richie)以及肖恩·康纳利(Sean Connery)都称自己把小金人放在浴室等地方。
中国与世界其他地区的贸易10月同比大幅下滑,原材料进口受到尤其沉重的打击,中国投资放缓削弱了这个全球最大商品贸易国的需求。