G Challenge Video (VIDEO) Johns Hopkins University This video is under embargo. Please login to access this video. Caption Researchers at Johns Hopkins University say most participants in a study couldn't pick out the correct form of lowercase g, a letter shape most of us have seen millions of times. Play this game to find out if you can spot the right g. Credit Len Turner and Dave Schmelick/JHU Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.