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Arrow poison. Arrow poisons are used to poison arrow heads or darts for the purposes of hunting and warfare. They have been used by indigenous peoples worldwide and are still in use in areas of South America, Africa and Asia. Notable examples are the poisons secreted from the skin of the poison dart frog, and curare (or 'ampi'), a general term ...
Ricin (/ ˈ r aɪ s ɪ n / RY-sin) is a lectin (a carbohydrate-binding protein) and a highly potent toxin produced in the seeds of the castor oil plant, Ricinus communis.The median lethal dose (LD 50) of ricin for mice is around 22 micrograms per kilogram of body weight via intraperitoneal injection.
Rodenticide. Typical rat poison bait station (Germany, 2010) Rodenticides are chemicals made and sold for the purpose of killing rodents. While commonly referred to as " rat poison ", rodenticides are also used to kill mice, woodchucks, chipmunks, porcupines, nutria, beavers, [1] and voles. [2] Despite the crucial roles that rodents play in ...
The history of poison[ 1] stretches from before 4500 BCE to the present day. Poisons have been used for many purposes across the span of human existence, most commonly as weapons, anti-venoms, and medicines. Poison has been heavily studied in toxicology, among other sciences, and its use has led to several technological innovations.
water hemlock, cowbane, wild carrot, snakeweed, poison parsnip, false parsley, children's bane, death-of-man. Apiaceae. The root, when freshly pulled out of the ground, is extremely poisonous and contains cicutoxin, a central nervous system stimulant that induces seizures. [citation needed]
All things are poison, and nothing is without poison; the dosage alone makes it so a thing is not a poison. —Paracelsus, 1538 [1] " The dose makes the poison " ( Latin: dosis sola facit venenum 'only the dose makes the poison') is an adage intended to indicate a basic principle of toxicology. It is credited to Paracelsus who expressed the ...
Thallium was the poison of choice for Saddam Hussein to use on dissidents, which even allowed for them to emigrate before dying. [28] In 1995, Zhu Ling was the victim of an unsolved attempted thallium poisoning in Beijing, China. In 1994, Zhu Ling was a sophomore studying physical chemistry at Tsinghua University in Beijing. She began to show ...
The abbreviation is not always a short form of the word used in the clue. For example: "Knight" for N (the symbol used in chess notation) Taking this one stage further, the clue word can hint at the word or words to be abbreviated rather than giving the word itself. For example: "About" for C or CA (for "circa"), or RE.