Corrected: An earlier version of this story incorrectly stated the number of registered users of the Khan Academy. It is 137 million users. A bevy of technology and software tools are taking center ...

(CBS News) Sal Khan is a math, science, and history teacher to millions of students, yet none have ever seen his face. Khan is the voice and brains behind Khan Academy, a free online tutoring site ...

During the years Salman Khan spent scrutinizing financials for hedge funds, he rationalized the profit-obsessed work by telling himself he would one day quit and use his market winnings to open a free ...

PHILADELPHIA (CBS) - My grandson told me he was learning advanced math and when I asked where, he told me it was at a free website program, Khan Academy, a site with more than 3,300 videos that have ...

Before he started the most popular education site on the Web, Salman Khan was neither an educator nor an entrepreneur. His outsider status helps explain why he's been able to solve a problem that ...

All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Mashable may earn an affiliate commission. Khan Academy's math lessons ...

On a Coffee Break in Silicon Valley, Amrita Gandhi catches up with Sal Khan, the founder of the non-profit education foundation Khan Academy. The MIT and Harvard Business School alum was raised by a ...

The stellar Khan Academy offers free, well-structured online courses in a variety of subjects that you'll find in US schools, and serves as a reliable source for anyone with a hunger to learn. Where ...