In 1675, Antony van Leeuwenhoek, an unlearned haberdasher from Delft, placed a drop of rainwater under his microscope and detected thousands of tiny animals in it. Leeuwenhoek proceeded to examine the microscopic activity of his spittle, teeth plaque, and feces, and as the result of his findings the field of bacteriology was born. Some two hundred years later, Wilhelm Conrad Roentgen, a professor of theoretical physics at the University of Wurzburg, invited his wife to his laboratory, asked her to place her hand on an unexposed photographic plate, turned on an electric current, and showed...
In 1675, Antony van Leeuwenhoek, an unlearned haberdasher from Delft, placed a drop of rainwater under his microscope and detected thousands of tiny a...
Millions of people--many of them younger than we care to believe--are living in the aftermath of a heart attack, and it is vital for them to learn how to reduce the risk factors for subsequent heart problems. This unique and important book offers advice to survivors of a heart attack and also to those trying to prevent the onset of a heart attack. Contributors include not only distinguished medical professionals but also eleven individuals who either participated in a cardiac rehabilitation program or designed a program of their own. The patients--men and women of varied ages and ethnic...
Millions of people--many of them younger than we care to believe--are living in the aftermath of a heart attack, and it is vital for them to learn how...
