Scientists Use DNA to Build World's Smallest Tic-Tac-Toe Board Game

Each strand of DNA consists of a backbone and four types of molecules known as bases. These bases -- adenine, guanine, cytosine, and thymine, abbreviated as A, T, C, and G -- can be arranged in any order, with the order representing information that can be used by cells, or in this case by engineered nanomachines.

from Top Buzz News- News18.com http://bit.ly/2RczBBB