Gestation, in mammals, the time between conception and birth, during which the embryo or fetus is developing in the uterus. This definition raises occasional difficulties because in some species (e.g., monkeys and man) the exact time of conception may not be known. In these cases the beginning of
Embryo, the early developmental stage of an animal while it is in the egg or within the uterus of the mother. In humans the term is applied to the unborn child until the end of the seventh week following conception; from the eighth week the unborn child is called a fetus. A brief treatment of
Modernism, in the fine arts, late 19th to mid-20th century, a break with the past and the concurrent search for new forms of expression. It fostered a period of experimentation in literature, music, dance, visual art, and architecture. Learn more about the history of Modernism and its various manifestations.
Potemkin village, in its original meaning, any of a number of fake villages designed to impress the Russian empress Catherine the Great. The term has also come to be used to describe an elaborate facade designed to hide an undesirable reality. The phrase “Potemkin village” bears the name of Russian
An overview of the pros and cons of owning a cat, the care and maintenance of cats, typical cat behavior, senior cats, cats for the elderly, as well as common cat health issues and diseases.