It's Boston local news in one concise, fun and informative emailThank you! You have been subscribed to WBUR Today.We were unable to subscribe you to WBUR Today. You can try subscribing here or try again later.
A wooden puzzle in the silhouette of a human head might look fun if the stakes weren't so high. A doctor named Howard Knox invented The Feature Profile Test — the formal name for this puzzle —after officials struggled to administer IQ tests to immigrants because of issues with language and literacy. (Stephen Lewis/Art + Commerce/Smithsonian Magazine)