Search results
Results from the WOW.Com Content Network
Highly Toxic: a gas that has a LC 50 in air of 200 ppm or less. [2] NFPA 704: Materials that, under emergency conditions, can cause serious or permanent injury are given a Health Hazard rating of 3. Their acute inhalation toxicity corresponds to those vapors or gases having LC 50 values greater than 1,000 ppm but less than or equal to 3,000 ppm ...
In 1923, Hans von Seeckt pointed the way, by suggesting that German poison gas research move in the direction of delivery by aircraft in support of mobile warfare. Also in 1923, at the behest of the German army, poison gas expert Dr. Hugo Stoltzenberg negotiated with the USSR to build a huge chemical weapons plant at Trotsk, on the Volga river.
Devil's venom was a nickname coined by Soviet rocket scientists for a hypergolic liquid rocket fuel composed of a dangerous combination of red fuming nitric acid ...
Naturally occurring sour gas is a fast-acting atmospheric poison, which can be released by volcanic activity or drilling rigs. Plant-based contact irritants, such as that possessed by poison ivy , are often classed as allergens rather than poisons; the effect of an allergen being not a poison as such, but to turn the body's natural defenses ...
In addition to killing the prey, part of the function of a haemotoxic venom for some animals is to aid digestion. The venom breaks down protein in the region of the bite, making prey easier to digest. The process by which a haemotoxin causes death is much slower than that of a neurotoxin. Snakes which envenomate a prey animal may have to track ...
Texas has the most snakes in the United States but if you want to talk about venomous snakes, you have to look to Arizona, which has — wait for it — 19 of the country’s 20 dangerous snakes.
Chemical warfare (CW) involves using the toxic properties of chemical substances as weapons.This type of warfare is distinct from nuclear warfare, biological warfare and radiological warfare, which together make up CBRN, the military acronym for chemical, biological, radiological, and nuclear (warfare or weapons), all of which are considered "weapons of mass destruction" (WMDs), a term that ...
Of more than a thousand known species of scorpion, only a few dozen have venom that is dangerous to humans, [6] most notably the bark scorpions, including: Centruroides spp. Deathstalker (Leiurus quinquestriatus) Central and South American Tityus, include the Brazilian yellow scorpion. Androctonus spp. Parabuthus spp. Hottentotta spp.