Why are viruses so contagious? Are there any treatments for macular degeneration? How are we treating depression with psychedelics? Why do people lose their sense of smell? Is cloud seeding a real thing? Dr Chris Smith and Relebogile Mabotja have all the answers... Like this podcast? Please help...

Is our perfect total eclipse just a total coincidence? Where do our dreams come from? Can you launch a missile without it being picked up by satellites? Which animals have the best memory? Do humans have any instincts? Can gravity be 1g on a planet with a greater mass than Earth? Where could we...