The Rosetta Stone, not to be confused with the language learning software, is a granodiorite stone. It was found in 1799 in Rosetta, Egypt by French scholars and sent to Napoleon.
A tycoon, also known as business magnate or mogul, is an extremely wealthy and powerful person whose fortune derives primarily from one particular industry. This can encompass anything from oil to real estate to shipping vessels, with notable examples being Aristotelis Sokratis Onassis, a shipping tycoon, and Henry Ford, the automotive tycoon.
Toxins can be products of ordinary metabolism (such as lactic acid), can be produced to kill or immobilize prey (such as the toxins in snake venom), or can be produced for self-defense (such as the cyanide produced by several plants). Toxins produced by bacteria cause disease. See: toxin agent.