On this week’s Tech Nation, Dr. Jonathan Javitt from NeuroRX Pharma talks about a scientific discovery which lingered for nearly two decades in some 70 boxes in deep storage – it’s now being tested as a treatment for COVID-19. Then Rick Carreon, the CEO of ImpediMed, tells us about a technology developed in the 1990’s for research purposes. Today it’s approved for the early detection of lymphedema following breast cancer – and early intervention can stop its progression