In this interview Matt Crawford speaks with author William Sargent about his book Crab Wars. Who knew Horseshoe Crabs were so integral to the healthcare industry? 450 million years old these creatures have blood that is the building block for the most reliable test for deadly bacteria. Every drug certified by the FDA must be tested by using this horseshoe crab derivative. Sargent shares his life long fascination with these beautiful animals and chronicles their plight. The COVID-19 pandemic has made horseshoe crabs even more in demand and we owe them quite a lot. Start by reading this book.