Plus: “It’s such a universal instrument.” Filmmaker Theo Schear and world-renowned harpist Mary Lattimore pull some strings to create a harp emoji. 

Also: A Sudanese-Canadian man says his sister died waiting for approval to come to Canada; TikToker Talia Cadet tells us what’s at stake for creators like her as a U.S. court considers the country’s proposed ban on the Chinese-owned platform; and a new type of parasitoid wasp burrows inside fruit fly abdomens to lay its eggs.