What is often referred to as “lab-grown meat” has been slow to catch on. Some of it is in the name, which turns many off. But in the tiny city-state of Singapore, which has little capacity for farming, they are embracing the technology. But instead of growing beef from stem cells, they are working on growing seafood. The World’s Patrick Winn reports that Singaporean companies are devising ways to grow shrimp and crab for a hungry continent.