3D tic-tac-toe are a project on SourceForge. Besides the related tic tac toe, a popular variant is a commercial product called "Score Four". In Score Four the markers are small spheres with a hole drilled all the way through. The base of the game board provides 16 vertical spikes. To make a move, a player places a sphere on one of the spikes. Thus a move can only be made in a cell wherein all of the cells below it are already occupied. 3D tic-tac-toe 3D tic-tac-toe, also known by the trade name Qubic, is an abstract strategy board game, generally for
Names for the human species "Gaian") is frequently used, as it were naming humanity by its planet of origin. Incidentally, this situation parallels the naming motive of ancient terms for humanity, including "human" ("homo", "humanus") itself, derived from a word for "earth" to contrast humans as earth-bound with celestial beings (i.e. deities) in mythology. Names for the human species The common name of the human species in English is historically "man" (from Germanic), often replaced by the Latinate "human" (since the 16th century). In addition to the generally accepted taxonomic name "Homo sapiens" (Latin: "sapient man", Linnaeus 1758), other Latin-based names for the human species