Sulci are one of three parts of the cerebral cortex, the others being the gyri and the fissures. The three different parts create a larger surface area for the human brain and other mammalian brains.tructure [edit]. Sulci are one of three parts of the cerebral cortex, the others being the gyri and the fissures. The three different parts create a larger surface area for the human brain and other mammalian brains. When looking at the human brain, two-thirds of the surface is hidden in the grooves.
TIME crunches the merry numbers behind the most popular Christmas songs of the modern era. The names Joseph Mohr and Franz Xaver Gruber have largely vanished into the annals of Christmas tormentors, but their greatest triumph lives on.
Quick Answer. The oldest known song in the world is a cult hymn written in the hurrian language 3,400 years ago. The tablet containing the song was discovered by archaeologists in the Syrian city of Ugarit in the 1950s. Continue Reading.