The legendary city of Carthage on the coast of present-day Tunisia was the home of Hannibal, whom many historians call the greatest military commander of all time. Descendants of the Phoenicians, the Carthaginians were the undisputed rulers of the sea by the third century BCE, dotting the Mediterranean region with busy trading outposts. In a battle for supremacy of the ancient world, Hannibal attacked Rome with an enormous army, which included dozens of war elephants.
These sub-microscopic infective agents are capable of growth and spreading but only when in contact with living agents. Find out how humans keep viruses alive in sicknesses such as colds, measles, polio and more. Learn about the two parts of a virus: the core and the coat.
Fungus feeds off of other living organisms and therefore grows on them. Mushrooms, yeast and mold are examples of this simple organism. How do they come to be and how do they affect us? Learn how fungi release chemicals to digest the substances they live off. Discover some of the unique uses of things like yeast and mold for food and medicine.
Upon the fall of the Roman Empire, a new imperial rule rose. From Constantinople — the "new Rome" — Emperor Constantine ruled land from Spain to Mesopotamia and from Asia to Egypt. A rift with the Catholic Church led to the establishment of the Eastern Church, and eventually the Eastern Roman Empire. The Byzantine Empire survived more than 1,000 years in spite of the deadly plague and attacks from crusaders and pillagers, but eventually fell victim to a new invention: gunpowder.
As an accompaniment to the excellent Students' Book, this is a must buy for any Business English teacher, who, let's be honest, probably knew/cared little/nothing for/about Macro/Micro Economics before entering his/her current profession. Broken down into four sections: Management; Production and marketing; Finance; Economics with four assessment tests, this upper-intermediate to advanced level reading, speaking, listening and writing course Teacher's Book provides (as well as priceless answers) much needed guidance on getting optimum value from the included materials.