The optional hint tells you how many segments can be broken. Your task is to then find which ones. Did Time Tick Slower for a Woman Who Spent 500 Days Alone in a Cave?

Sharma is CEO and co-founder of Zearn, a nonprofit dedicated to transforming K-8 math education. Sharma is also the author of "Math Mind: The Simple Path of Loving Math," a book that dives into how we ...

For all of the recent strides we’ve made in the math world—like a supercomputer finally solving the Sum of Three Cubes problem that puzzled mathematicians for 65 years—we’re forever crunching ...

Barnyard animals teach a chicken how to read analog clocks in this instructional picture book. After Chicken shows up late to meet with Farmer Ed, a letter arrives from “Brutus the Boxer,” promising ...