For more information on the Audience earSmart family of products and more detailed specifications on the eS515, please go here.

ENGADGET: Audience eS515 Smart Sound Processor brings three-mic support and selective audio capture to phones

For the full Lumosity rankings, please go here.

FORBES: The 25 Colleges With The Smartest Students

If you or your organisation is not yet a member of World Heritage UK and you would like to take advantage of the free ticket offer, please go to join here for more information on how to sign up.

UNESCO: Sign up now for inaugural World Heritage UK Conference