Worldview is hosted by Adam Boulton and tackles big questions with the help of the best academics.

Soldier flying a drone
The old Silk Route between India and China.
Nineteenth century typesetter and printers working with Stanhope cast iron printing press in print shop. Credit: Arterra Picture Library / Alamy Stock Photo
Electricity pylon. Credit: David Leadbitter / Alamy Stock Photo
Mock-up of the air defense system around Moscow, in the Patriot Park In Moscow Region, Russia
A retro circuit board with germanium transistors and diodes, electrolytic and ceramic capacitors, carbon resistors, aluminium coils. Credit: KPixMining / Alamy Stock Photo.
Oil drills
Space rocket