A History of Surgery

By Tim Lambert Ancient Surgery Surgery was invented in the Stone Age. Some adults had holes cut in their skulls. At least sometimes, people survived the ‘operation’ because the bone grew back. We do not know the purpose of the ‘operation’. Perhaps it was performed on people with head injuries to release pressure on the… Continue reading A History of Surgery

A Brief History of Communication

By Tim Lambert Communication in Ancient Times The first means of communication was, of course, the human voice but about 3,200 BC writing was invented in Iraq and Egypt. It was invented about 1,500 BC in China. Other civilizations in Central America like the Mayans also invented systems of writing. The next big step was… Continue reading A Brief History of Communication

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A History of Farming

By Tim Lambert The Farming Revolution After 9,000 BC a great change came over the world. Previously humans lived by hunting animals and gathering plants. Then about 8,500 BC people began to grow wheat, barley, peas, and lentils instead of gathering them wild. By 7,000 BC they domesticated sheep, pigs, and goats. By 6,000 BC… Continue reading A History of Farming

A History of Clocks

By Tim Lambert Early Clocks Today we take knowing the time and the day of the year for granted but for our ancestors, it was far more difficult. Until mechanical clocks were invented in the 13th century there were various ways of telling the time. The earliest method of telling the time of day was… Continue reading A History of Clocks

A History of Mathematics

By Tim Lambert Mathematics in the Ancient World Prehistoric people must have used simple arithmetic. However, when people became civilized mathematics became far more important. Proper record-keeping was essential. In Iraq, a people called the Sumerians counted in sets of 60. We still divide hours into 60 minutes and minutes into 60 seconds. We also… Continue reading A History of Mathematics

A History of Science

By Tim Lambert Ancient Greek Science The Ancient Greeks were the first scientists. Greek philosophers tried to explain what the world is made of and how it works. Empedocles (c. 494-434 BC) said that the world is made of four elements, earth, fire, water, and air. Aristotle (384-322 BC) accepted the theory of the four… Continue reading A History of Science

A Brief History of Weapons

By Tim Lambert Prehistoric Weapons Human beings have probably always killed each other. Early people used clubs, axes, and spears. They also used bows and arrows. (Cave paintings from Spain dating from 10,000 to 5,000 BC show men fighting with bows). A wooden club is a surprisingly effective weapon. As early as 6,000 BC African… Continue reading A Brief History of Weapons