• coursera

    Take the world's best courses, online,for free.

     

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  • Geoguessr

    Think you’re a geography expert? Test your knowledge with BBC Travel’s GeoGuessr – the game that proves how well you know the world! The world’s a huge place – get exploring!

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  • Khan Academy

    A free world-class education for anyone anywhere.  All of the site's resources are available to anyone.  Khan Academy's materials and resources are available to you completely free of charge.

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  • MITOPENCOURSEWARE

    MIT OpenCourseWare (OCW) is a web-based publication of virtually all MIT course content. OCW is open and available to the world and is a permanent MIT activity.

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  • TED

    We believe passionately in the power of ideas to change attitudes, lives and, ultimately, the world. So we're building a clearinghouse of free knowledge from the world's most inspired thinkers, and also a community of curious souls to engage with ideas and each other.

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