Sal Khan's non-profit online school began with free maths classes for his cousins

Sal Khan's non-profit online school began with free maths classes for his cousins

Now playing Next

Sal Khan's non-profit online school began with free maths classes for his cousins

Latest news bulletin | April 24th – Midday

Now playing Next

Latest news bulletin | April 24th – Midday

A Ukrainian serviceman with the 65th Brigade walks to his armored vehicle at the frontline in Zaporizhzhia region, Ukraine, Sunday, April 21, 2024.

Now playing Next

Large-scale Russian offensive expected soon in Ukraine: ISW

Russian ship sailing in Sevastopol harbour in Crimea (Russian Defense Ministry Press Service via AP, File)

Now playing Next

Ukraine damage Russian ship in Crimea

In this photo provided by the Dnipropetrovsk Regional Military Administration, a view of the damage after Russia's attack on residential building in Dnipro, Ukraine, Friday,

Now playing Next

Russian missiles hit the Dnipro region in Ukraine

Math teacher Margie Howells teaches a fifth grade class at Wheeling Country Day School in Wheeling, W.Va., on Sept. 5, 2023.

Now playing Next

Made in Europe: AI company aiming to solve the teacher shortage crisis

A local resident swims in the flooded street between houses in Orenburg, Russia

Now playing Next

WATCH: Russia and Kazakhstan continue to grapple with floods

FILE - Farmer Sergiu Calmac stands in his apple orchard in Harbovat, Moldova, Aug. 7, 2014

Now playing Next

Europe's fruit farmers worry as unseasonal frosts threaten harvests

Demonstrators during a protest to ask for more guarantees on the enforcement of the abortion law in front of the Italian Senate in Rome, Tuesday, April 23, 2024

Now playing Next

Italy permits pro-life groups access to abortion clinics

Latest news bulletin | April 24th – Morning

Now playing Next

Latest news bulletin | April 24th – Morning

Results of Senate vote on $95 billion foreign aid package

Now playing Next

US Senate passes $95 billion aid package for Ukraine and Israel

A family inspects their house after it was hit by an Israeli airstrike in Rafah, southern Gaza, April 4, 2024

Now playing Next

Josep Borell says Gaza destruction is like Germany in WWII

Updated: 23/10/2019 - 19:25

Video. Sal Khan's non-profit online school began with free maths classes for his cousins

The non-profit Khan Academy now provides thousands of online classes for people around the world

Read full article

More from interview

'I know I'm clean': Two-time Grand Slam champion Simona Halep opens up about doping scandal

Now playing Next

Tennis star Simona Halep: Doping suspension 'worst moment of my life'

'I'm still hungry to run fast': Long-distance legend Eliud Kipchoge has plenty more in the tank

Now playing Next

In it for the long run: Marathon man Eliud Kipchoge isn't done yet

2023 Princess of Asturias awards celebrates 'Mary's Meals' initiative

Now playing Next

International school meal initiative wins 2023 Princess Asturias award

Supermodel turned entrepreneur Tyra Banks expands her ice cream business

Now playing Next

Partner content

Supermodel entrepreneur Tyra Banks expands her ice cream business

PARTNER CONTENT PRESENTED BY DEPARTMENT OF TOURISM AND COMMERCE MARKETING DUBAI

Latest video

Power grid

Now playing Next

What Europe needs to get on with the clean energy transition

FILE - Ukrainian soldiers fire at Russian positions from a US-supplied M777 howitzer in Kherson region, Ukraine, 9 January, 2023.

Now playing Next

Russian forces gain ground in eastern Ukraine

EU foreign policy chief Josep Borrell (left) meets Ukraine's Volodymyr Zelenskyy in February 2023

Now playing Next

EU Policy. MEPs call to seize Russia’s hundreds of billions in frozen assets

Firefighters work on the site of a burning building after a Russian drone attack in Odesa, Ukraine.

Now playing Next

Watch: Russia strikes batter Odesa, injuring at least nine civilians

Police officers evicted migrants from a makeshift camp in Paris a few steps from the Seine River (AP Photo/Nicolas Garriga)

Now playing Next

Police evict migrants from makeshift camp in Paris

Santiago Abascal, leader of far-right Vox Party, addresses supporters outside the party headquarters after the announcement of the general election first results, in Madrid.

Now playing Next

Will Vox benefit from the rise of Europe's extreme right?

British Prime Minister Rishi Sunak speaks during a press conference at Downing Street in London, Monday, April 22, 2024.

Now playing Next

Council of Europe's human rights commissioner condemns Rwanda bill

A worker packages spools of cotton yarn at a textile manufacturing plant, as seen during a government organized trip for foreign journalists, in Aksu in China's Xinjiang

Now playing Next

EU to ban forced-labour products in move mostly targeted at China

The accredited assistant of MEP Maximilian Krah has been arrested over suspicions of espionage.

Now playing Next

After Russiagate, MEPs rush to denounce emerging Chinagate

Student protesters at pro-Palestinian demonstration at Columbia University campus in New York, Monday, April 22, 2024. (AP Photo/Stefan Jeremia

Now playing Next

Pro-Palestinian protests sweep US college campuses after arrests

Péter Magyar, the former husband of one-time justice minister and Orbán ally Judit Varga holds a smoke-candle after his speech on Hungary's National Day in Budapest on Friday,

Now playing Next

Hungarian government targets former Fidesz ally in elections campaign

People stage a protest on 'International Safe Abortion Day', Milan, Wednesday, Sept. 28, 2022.

Now playing Next

Italy moves closer to allowing anti-abortion activists inside clinics

A woman looks among the bodies found in a mass grave in Khan Younis

Now playing Next

283 bodies found in mass grave in Khan Younis

Activists supporting Ukraine demonstrate outside the Capitol in Washington DC

Now playing Next

Biden says military aid on way to Ukraine after Senate approval

Humanitarian aid is airdropped to Palestinians over Gaza City, Gaza Strip on March 25, 2024

Now playing Next

UNRWA report says no evidence from Israel of terror links

The European elections will take place 6-9 June 2024

Now playing Next

European elections: Top tips to avoid misinformation