Book of Donmon Teith

Questions and answers introduce the biology habits, and behavior of aquatic animals, from luminous fish to fur seals.

Presents diagrams of inventions from the drawings in Leonardo da Vinci's original notebooks, categorizing them into flying, war, and hydraulic machines and deta

Leonardo nasconde un segreto? In realtà ne nasconde molti, basta cercare nelle pagine dei suoi codici, nelle migliaia di disegni di macchine o di parti di esse

Nine remarkable men produced inventions that changed the world. The printing press, the telephone, powered flight, recording and others have made the modern wor