Germs are everywhere, as this fascinating overview of the subject explains. Some germs are harmful, causing debilitating diseases, while others are beneficial, helping humans and animals to digest food. Covered is the discovery of germs, how some cause disease, how others aid living things, and how various industries have learned to use some germs to improve the quality of human life and communities.
Everyone makes mistakes, but they're not often on display for the whole world to see. These blunders in battle have gone down in history and will never be forgotten.
We celebrate the Ancient Romans for contributions they made to modern engineering and architecture, but their impact is felt in even the smallest details of everyday life. Discover how inventions like socks, fast food restaurants and cinemas got their start in Ancient Rome and evolved into things we enjoy today.
Every four years, the world celebrates one of the most exciting contributions of the Ancient the Olympic Games. That, of course, is not all this great civilization left behind. From theatre to democracy, discover how the Greeks' ancient inventions and philosophies evolved into objects and ideas we know and treasure today.