Looks at the history of medicine in the ancient world, examining how people faced new problems as their communities grew larger, and how physicians began to recognize that diseases might have natural
Shows how a wide range of inventions, developments, and other factors created ideal circumstances for medicine to make huge advances in the Industrial Age.
Looks at the new 'scientific' ways of learning and experimentation of the Renaissance period, to show what health and disease were like in the Old and New Worlds.
"Read the amazing and inspiring stories of some dogs, cats, elephants, geese, and other animals—You'll be surprised at what your lazy cat or dog might be capable of!"
Looks at the scientific ways of learning and experimentation of the Renaissance period to show what health and disease were like in the Old and New Worlds.
Discusses how a wide range of inventions, developments, and other factors created ideal circumstances for medicine to make huge advances in the Industrial Age.
Describes the dramatic changes that have taken place in medicine since the start of the twentieth century, brought about by scientific discoveries and technological advances.
Presents an introduction to the solar system, describing its origin, planets, moons, the Sun, orbits, and the changes to it that will occur in the distant future.
Describes the building of the Three Gorges Dam on the Yangtze River in China, one of the largest and most expensive engineering projects ever, and discusses the benefits and problems caused by the dam
Presents a tour of the early Arab world, discussing facts about climate, landscape, religion, social classes, transportation, clothing, food, customs, culture, hygiene, medicine, and language.
Looks at the importance of health, discusses the challenges of controlling the spread of disease, and explains how every problem might have a solution.
Looks at how population is measured, discusses the relationship between population growth, food supplies, and poverty, and examines the issues around family planning.
Looks at society's reliance on fossil fuels, discusses the benefits and limitations of renewable sources, and examines how energy can be used more efficiently.
Discusses the issue of pollution and waste throughout the world, including the long- and short-term affects on the environment, worldwide government regulations on pollution, and how to reduce waste a
