This week, what makes birds invasive, and a robotic fish powered by a blood-like battery.In this episode:00:44 How do alien bird species establish themselves?Researchers have been looking at how bird species settle in non-native locations. Research article: Redding et al.08:22 Research HighlightsCrafting the perfect crêpe, and anti-fungal wasp eggs. Research Highlight: Physicists tackle a delicate challenge: making the ideal crêpe; Research article: Strohm et al.10:09 Robot bloodMultipurpose battery fluid both moves and powers a robot fish. Research article: Aubin et al.; News: Robo-fish powered by battery ‘blood’16:30 News ChatResearchers reviewing misconduct investigations, and redefining pressure. News: What universities can learn from one of science’s biggest frauds For information regarding your data privacy, visit acast.com/privacy