Elon Musk recently announced that the Hyperloop transport system will be unveiled in Los Angeles soon and able to travel at up to 250km/h. We find out how it works with Dr Geoffrey Beck from the Physics Department at Wits University and explore how South Africa’s transport system could evolve with Prof Roger Behrens from the department of Civil Engineering at the University of Cape Town. Also on the show we chat human hibernation and gamma ray constellations in our news. Our Unscience finds out why birds help each other for their own benefit.