Doctors help people stay healthy. When people get sick, doctors help them get well again. Today, doctors use many complex instruments to treat people. Long ago, doctors had few instruments and did not know as many ways to help people get well.
Many years ago, doctors trained nurses to help them treat people. Today, nurses go to school to learn about medicine and about how to help people when they are sick. Nurses perform many of the same duties as doctors.
This gripping title traces the causes, symptoms, and treatment of plague through the height of the Black Death in Europe and into the modern day.
British scientist Robert Hooke built an early microscope and was the first scientist to observe cells and give them their name. Anton van Leeuwenhoek created the best microscopes of his time and used them to study living organisms. Matthias Schleiden, Theodor Schwann, and Rudolf Virchow created Cell Theory, which says that all living things are made of cells; cells are the smallest part of a living thing; and all cells come from other cells.
Examines the basic concepts of junk food through the lens of the latest scientific studies and finding. Provides tools for evaluating conflicting and ever changing ideas.
Examines the basic concepts of obesity through the lens of the latest scientific studies and finding. Provides tools for evaluating conflicting and ever changing ideas.
Introduces readers to the cool career of veterinarian by giving a better understanding of this cool job.