“Do you know what a frog is?” Kimi Pu, 9, asks her dad with a grin, pointing at a fork. “Frog?” he repeats, sheepish but smiling. “Frog’ is an animal—this is a fork.” “Fork! Sorry!” he says. “Great ...

Luke Daugherty is a freelance writer, editor and former operations manager. His work covers operations, marketing, sustainable business and personal finance, as well as many of his personal passions, ...