Curious Cases Folgen

"What is the strongest substance in the universe? Some people say it is spiderweb, because it is stronger than steel. Is it iron? Is it flint? Is it diamond because diamond can be only be cut by diamond?" asks Françoise Michel.Adam and Hannah put a variety of materials, from biscuits to spider web, under the hammer to test their strength.In their quest to find the strongest substance they quiz materials scientist Mark Miodownik, engineer Danielle George and spidergoat creator, Dr Randy Lewis from Utah.Features archive from 'Horizon: Playing God', first broadcast in January 2012.Please send your Curious Cases for the team to investigate to curiouscases@bbc.co.ukPresenters: Adam Rutherford, Hannah Fry Producer: Michelle Martin.

Listener Paul Don asks: "I'm wondering what's the feasibility of terraforming another planet i.e. Mars and if it's possible to do the same thing with something like the moon? Or, why isn't there already a moon-base? Surely that's easier."Adam & Hannah consider moving to another planet, and discover what challenges they would need to overcome to live in space. They consult engineer Prof Danielle George from the University of Manchester and Dr Louisa Preston, UK Space Agency Aurora Research Fellow in Astrobiology.Adam also hears about attempts to recreate a Martian base on a volcano in Hawaii. He calls HI-SEAS crew member Tristan Bassingthwaighte, who has just emerged from a year of isolation.If you have any Curious Cases for the team to solve please email curiouscases@bbc.co.ukFeatures archive from 'Outlook' on BBC World Service, broadcast in August 2016.Presenters: Adam Rutherford & Hannah Fry Producer: Michelle Martin.

"Why do we have middle aged spread?" asks Bart Janssen from New Zealand.From obese mice to big bottoms, the duo discovers what science can tell us about fat. Why do we put on weight in middle age? And are some types of fat better than others?Hannah meets Prof Steve Bloom at Imperial College, London to discuss apples and pears. Adam talks to Dr Aaron Cypess from the National Institutes of Health in Maryland, who has created a 'fatlas' - an atlas that maps fat inside the body.Please email your Curious Cases for the team to investigate to: curiouscases@bbc.co.ukPresenters: Hannah Fry & Adam Rutherford Producer: Michelle Martin.