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 ...

Since debuting short videos to tutor his young cousins on YouTube in 2005, Sal Khan has been lauded as a Most Creative Person in Business, acclaimed by Bill Gates from the stage at TED, and received ...

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 ...

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 ...