Venus is hell – it’s a toxic, overheated, crushing hellscape where nothing can survive. Every rover ever sent has melted. But Dr Clara Sousa-Silva thinks she has found evidence of life up in the clouds. It’s a game-changer in the search for alien life. Subscribe: http://bit.ly/BBCEarthSub #PlanetExplorers #BBCEarth Watch more: Planet Earth http://bit.ly/PlanetEarthPlaylist Blue Planet…