This video delivers a full timeline of all 44 US presidents in just 150 seconds. From Washington to Obama, it shows how ...

New excavations and high tech scans on one of the world’s most remote islands are forcing archaeologists to redraw the story of how complex societies rise, adapt and endure. On Rapa Nui, better known ...

With easily accessible cross-references that build bite-size pieces of information into a narrative that leads readers back and forth through time, "Timelines of History" makes the past accessible to ...