MERN (MongoDB, ExpressJS, ReactJS, Node.js) is a popular alternative to the MEAN stack, and that has a nicer-sounding name. Therefore many of us want to learn the MERN stack, and this video tutorial series is an excellent way to start.
Learn The MERN Stack [1] - Series Introduction
Learn the MERN Stack [2] - Express API & MongoDB
Learn The MERN Stack [3] - Client Setup & Reactstrap
Learn The MERN Stack [4] - ShoppingList Component & Transitions