Catch of the day

China is the world's biggest seafood exporter and the population consumes around a third of world's catch. How do they do it and at what consequence? Might facts be overrated and what can we learn about vaccinations from the 1976 swine-flu fiasco. What has 43 quintillion potential variations, has sold more than 350 million, and began as a spatial tool for people with science, math, or engineering backgrounds?