Does the Big Bang scientific theory have any implications for philosophical or religious beliefs about the origin of the universe? Do modern governments spend too much money on weapons and not enough on scientific research? These questions are addressed by Brano Sitar, a Slovak nuclear physicist who has spent the past 25 years deeply involved in experimental research at CERN, one of the world's top scientfic institutions. In the story of climate change, is technological progress the villain or is it destined to be the hero? Can intelligent machines ever really be 'intelligent' in the sense of being consciously aware of what they're 'thinking' and doing? Artificial intelligence populariser Martin Spano discusses these and other questions.