On this week’s Tech Nation, Science/Tech entrepreneur Safi Bahcall. He’s written “Loonshots … How to Nurture the Crazy Ideas that win wars, cure diseases, and transform industries.” And French biotech - Sensorion Pharmaceuticals. Its president and CEO, Nawal Ouzren, tells us about making progress in severe vertigo, sudden hearing loss, and hearing loss in children following treatment for cancer. Also, Daniel de Boer, the CEO of ProQR Therapeutics, talks about their approach to treat genetic diseases, including as childhood blindness. We’ll learn how it works, and why it’s safe.