Leptin is a cell-signalling hormone vital in the regulation of appetite, food intake and body weight. Studies have shown that an absence of leptin in the body or leptin resistance can lead to uncontrolled feeding and weight gain. Mechanisms and actions of leptin Leptin acts as a hormone that modulates the size of the adipose tissues in the body.
The Rosetta Stone The Rosetta Stone What is the Rosetta Stone? The Rosetta Stone is a stone with writing on it in two languages (Egyptian and Greek), using three scripts (hieroglyphic, demotic and Greek).
The Rosetta Stone is written in three scripts because when it was written, there were three scripts being used in Egypt. The first was hieroglyphic which was the script used for important or religious documents.he Rosetta Stone was written in three scripts so that it could be read by visiting priests, government officials, and rulers of Egypt. The first script was Hieroglyphic, which was the script used for religious documents and other important communications.