The tool section of the emoji keyboard boasts an array of knives, a syringe, a water gun, a beeper, a battery, and a bomb. But when it comes to objects you might find in a laboratory, the options are ...

You’re firing off a punchy text about your day to a friend or colleague—but wait, there’s no petri dish emoji. You scroll through your phone’s keyboard looking for a flask or a lab coat. No luck. The ...