Chemical element element (by mass) making up Earth, while oxygen is the most common element in the Earth's crust. Chemical elements constitute all of the ordinary matter of the universe. However astronomical observations suggest that ordinary observable matter makes up only about 15% of the matter in the universe: the remainder is dark matter; the composition of this is unknown, but it is not composed of chemical elements. The two lightest elements, hydrogen and helium, were mostly formed in the Big Bang and are the most common elements in the universe. The next three elements (lithium, beryllium and boron) were formed mostly
Human Element Human Element Human Element was an online multiplayer video game under development by Robotoki for Microsoft Windows, PlayStation 4, and Xbox One. Development was halted when the studio was closed as indicated by a farewell message on Robotoki's (now defunct) blog on January 20, 2015, by the studio's founder, Robert Bowling. "Human Element" is the first game being developed by the independent game company Robotoki, which was formed by Robert Bowling after he left Infinity Ward following the release of "". The premise of the game centers on the question, "What is the greatest threat in a zombie apocalypse?"; Bowling