Tabun or GA is an extremely toxic chemical substance. It is a clear, colorless, and tasteless liquid with a faint fruity odor. It is classified as a nerve agent because it fatally interferes with normal functioning of the mammalian nervous system. As a chemical weapon, it is classified as a weapon of mass destruction by the United Nations according to UN Resolution 687. Its production is strictly controlled and stockpiling outlawed by the Chemical Weapons Convention of 1993. Tabun is the first of the so-called G-series nerve agents along with GB, GD and GF.
Although pure tabun is clear, less-pure tabun may be brown. It is a volatile chemical, although less so than either sarin or soman.
Tabun can be destroyed with bleaching powder, though the poisonous gas cyanogen chloride is produced.

a hypnotic and sedative drug of the benzodiazepine type

64 is a number in the decimal numeral system represented by the Arabic numeral 64. It is a positive integer which comes after 63 and before 65. It is an even number and is also a square number (8x8). In binary, it is represented as 1000000 and in Roman numerals as LXIV.

A wide variety of Jewish and early Christian sects having an interest in gnosis, or divine knowledge and generally holding the belief that there is a god greater than the Demiurge, or the creator of the world.

The African crocodile is a term that generally refers any of the three species of crocodiles found in Africa. This includes the Nile crocodile (Crocodylus niloticus), the African dwarf crocodile (Osteolaemus tetraspis), and the slender-snouted crocodile (Mecistops cataphractus). They are large semiaquatic reptiles that live throughout the tropics in Africa. African crocodiles are carnivorous, preying on various species and even capable of taking large ungulates. Their behavior and characteristics can differ slightly depending on the exact species.

A sign, symbol or character representing a word or phrase.

long-tailed black-and-white crow that utters a raucous chattering call

Geniality; friendliness; a pleasant, friendly, good-natured manner; an affable and approachable disposition; frank and simple good-heartedness.

Nefud is a desert region located in the northern part of the Arabian Peninsula, specifically in Saudi Arabia. The Nefud desert covers an area of about 103,600 square kilometers and is characterized by reddish, crescent-shaped sand dunes.

To use excessively; to use too often; as, scientists tend to overuse technical terms.