Which of the following is the least likely to be a palindrome (read the same forward and backward, like the number 1,331)? A random four-digit number (from 1,000 to 9,999) A random five-digit number ...

When my daughter was barely five years old, I told her the phone number of someone we knew, a number that went something like “8448”. I then told her that the number was special, since it was a ...

Don’t know? Don’t feel bad. Six of the brightest math minds at Lincoln’s high schools couldn’t figure out that one Thursday. But they figured out plenty of other math problems that would have stymied ...