When the Rabbit R1 arrived earlier this year, it was an unfinished product. Engadget’s own Devindra Hardawar called it “a toy that fails at almost everything.” Most of the features Rabbit promised, ...

Timed math fluency exercises—in which students are asked to solve a certain number of problems within a minute or two—do not appear to exacerbate students’ math anxiety, new research finds. The study, ...