Feeding, habitat, distribution, reproduction, anatomy, venom research and more. Facts about the Arizona Bark Scorpion, the Deathstalker Scorpion, the Emperor Scorpion, the Fattail Scorpion. Introduction. Scorpions are creatures that belong to the class of arachnids, the subclass Dromopoda, and the order Scorpiones. In the world, there are between 1,700 and 2,000 species of scorpions organized in 13 taxonomic families.
MOTZ is a techno online magazine, label and events ran by Irish girls based in Berlin, London and Du...
The hertz (symbol: Hz) is a unit of time which measures frequency. Frequency is how often something happens. A frequency of 1 hertz means that something happens once a second. The note Middle C (the C in the middle of the piano) is 262 Hz. This means there are 262 vibrations every second, which is heard as the note Middle C, when that piano key is played. Humans are able to hear sounds between 20-20 000 Hz.