THE ANSWER: 2.
The numbers represent the number of characters in Roman numerals, beginning with 1 (I).
Why Do Paper Cuts Hurt So Much?
Can You Really Go Blind Staring at a Solar Eclipse?
Beyond Battleship: 3 More Board Game Movies in the Works
14 Essential Talking Points About The Berenstain Bears
10 Uninhabited Islands and Why Nobody Lives on Them