Electronic media is the media that use electromechanical energy or electronics for public to access the content. Main resources of electronic media are CD-ROM, online content, slide presentations, audio recordings, video recordings and multimedia presentations. Most of the new media are in the form of electronic media. Analog electronic data or Digital electronic data are two types and electronic media may be in either form. Journal Article is sometimes called a Scientific Article, a Peer-Reviewed Article, or a Scholarly Research Article. Together, journal articles in a particular field are often referred to as The Literature. Journal articles are most often Primary Research Articles. However, they can also be Review Articles. These types of articles have different aims and requirements. Sometimes, an article describes a new tool or method. Because articles in scientific journals are specific, meticulously cited and peer-reviewed, journal databases are the best place to look for information on previous research on your species.