The latest national and international news, exploring the day's events from a global perspective.

Liz McIvor charts the struggles of the builders and engineers tasked with creating a landscape of canals over the rugged terrain surrounding the Pennine hills. Show more

Expert John Wass presents a documentary telling the story of how hormones were discovered and remain at medicine's cutting edge as we try to deal with modern scourges like obesity. Show more

Anatomist Alice Roberts embarks on a quest to rebuild her own body from scratch, taking inspiration from the very best designs the natural world has to offer. Show more

Historian David Olusoga concludes his series with the three African kings who stood up to empire and the shaping of black British identity in the 20th century. Show more

Sanjay the stationmaster is looking for promotion, his boss Bataljit waits for a transfer, and everybody is anticipating the snow on the Kalka-Shimla line. Show more

Architectural historian Jon Cannon goes in search of the clues that shed light on how our medieval forebears were able to build the wonders of their world. Show more

Expert John Wass presents a documentary telling the story of how hormones were discovered and remain at medicine's cutting edge as we try to deal with modern scourges like obesity. Show more

Anatomist Alice Roberts embarks on a quest to rebuild her own body from scratch, taking inspiration from the very best designs the natural world has to offer. Show more