In a small victory for gamers and TV junkies everywhere, scientists found that viewing 2D images helped create long-term memories, meaning that visual media can help your learn. To form lasting memories, nerve cells normally experience "long-term potentiation" and "long-term depression" -- both essential for learning. Researchers found that long-term depression was achieved when they let rats actively wander around a new environment. When they replaced the explorable area with a computer screen, the sa