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.
Porcupines cannot shoot their quills! Quills are just modified hairs made out of keratin, the same substance found in our own hair and fingernails. The quills do not cover the underside of the porcupine. Porcupines have muscles at the base of each quill that allow them to stand up when the animal is excited or alarmed.