Aerobics, Fingernails, Video Games, EDM, Toilet, Playing Cards, Plastic. Find out about the inner workings and origins of the things that pique your curiosity. Aerobics: It`s a popular exercise that anybody can pick up and move to the beat. Fingernails: The fingernail is a hard, outer covering of the top of our fingers and toes and is also similarly found in other primate species as well. Video Games: A video game is an electronic game that has a human input device, your controller, and a means to display audio visual content or a screen and some speakers. EDM: EDM or Electronic dance music is a catch all term for all the electronically produced danceable tunes that we listen to. Playing Cards: It is known as a pack, a deck and other names around the world. They are playing cards. A set of 52 cards that make up a deck. Plastic: The term plastic comes from the Greek plastikos meaning capable of being molded. Plastics are a wide range of synthetic and semi synthetic compounds that are malleable and can be molded into shape.