Babbage: Show me the way to Cordillera

Now that the war between the Colombian government and the FARC has ended, scientists are exploring parts of the country previously held by the rebels. The aim is to make Colombia a "bio-power" by 2030. Also, how lead pollution in Greenlandic ice shows evidence of ancient European societies. And the new insect-sized drones that are causing a buzz. Tim Cross hosts

For information regarding your data privacy, visit acast.com/privacy