At the beginning of February 1887 a text signed by a large artist circulated in Paris, in the form of an open letter to Monsieur Alphand, director of the works of the city of Paris. The text said things

It is the best method of minimizing tissue damage and death. Screening tests include a microscopic examination of cells and mammography, an X-ray technique used to detect lumps in the breasts and to determine

Body image is the physical aspect of our personality, the image we think we present to the world. We are so accustomed to feeling our body as if we were observers placed inside our head, that, when we

Pulleys and gears are wheels ready to transmit movement, and are counted among the oldest machines invented by man. In the Middle Ages a system of wooden gears was used to transmit movement in windmills,

The greater the power of man over the environment, the greater his efforts are in maintaining redoubts free from the effects of progress and development. The Gran Paradiso National Park is a clear example

Among the great monuments of Rome, the Pantheon is the best preserved and the most impressive. If it has been preserved so well, it is because the Byzantine emperor Focas donated the building to Pope Boniface

Santiago de Compostela is one of the most beautiful cities in Spain. Its old streets with arcades, its old noble houses, built with magnificent stones, have, with the rain, that particular tone of silver

Prejudice supposes a hostile feeling, manifesting in different ways against certain human groups. The word prejudice means action of "prejudging" and in this sense we all prejudice favorably

The skin, an organ that covers the body, is threefold susceptible to diseases: first, because of its location; second, because of its dependence on the rest of the body; and third, because the skin itself

Speaking of the Mitanni kingdom poses to the modern historian a great number of problems stemming from the lack of sources. It is well known that historical assertions only have value when they can be

There are two opposite ways of considering human nature. one considers the man moved by forces, impulses and instincts that act on him from within, the other considers him shaped by the environmental,

A mixed peasant is more self-sufficient than a specialized one. Thus, unlike the aviculturist and the pig breeder, he uses the manure: he throws it to the ground. Soil care is the cornerstone of organic

A biological or organic crop is one that the farmer grows naturally, without using inorganic fertilizers or other chemical products. The farmer feeds the soil naturally and thus gives him energy to feed

In recent years, preventive medicine has evolved; not so much insists on the absolute prevention of infectious diseases as the early diagnosis through periodic check-ups of the diseases that threaten maturity.

Preventive medicine is the sum of measures (check-ups, vaccinations, visits to the dentist, eye control) that prevent the disease, preventing its appearance or detecting it so early that it can be treated

It has been a long time being discussed whether Cannabis sativa, a euphoric and relaxing derivative of indian hemp, is a dangerous drug of addiction or a source of innocuous pleasure. The dry leaves of

Drug addiction is the non-medical and repeated use of a drug that constitutes a danger to the user. All drugs can be dangerous and should be treated with extreme prudence, breaking certain current fashions

In every society there are people accustomed to taking substances that produce alterations of consciousness. There are two main groups of such substances: alcoholic beverages (beer, wine, liquor, etc.)

3 If the wife legitimated a chronic illness or suffered severe ailments, her husband could take a second wife, always of lower rank than the first. The children of this second woman were legitimate if

2 The Sumerian law recognized a certain legal personality for married women. For example, they could act as witnesses in the signing of a contract, generally of sale. They could also own property of all