Gunther Eysenbach, MD, MPH, FACMI, Founding Editor and Publisher; Adjunct Professor, School of Health Information Science, University of Victoria, Canada Exploring the Use of Smartwatches and Activity ...

Our world has been shaped by two all-consuming conflicts - and by a global superpower stand-off that brought the world to the brink of destruction. Explore the in-depth sections below.

What's new on the Sky HISTORY channel: ...