- published: 23 Apr 2010
- views: 78512
The domestic cat (Felis catus or Felis silvestris catus, informally Felis domesticus) is a small, usually furry, domesticated, carnivorous mammal. It is often called the housecat when kept as an indoor pet, or simply the cat when there is no need to distinguish it from other felids and felines. Cats are valued by humans for companionship and ability to hunt vermin and household pests. They are primarily nocturnal.
Cats are similar in anatomy to the other felids, with strong, flexible bodies, quick reflexes, sharp retractable claws, and teeth adapted to killing small prey. As crepuscular predators, cats use their acute hearing and ability to see in near darkness to locate prey. Not only can cats hear sounds too faint for human ears, they can also hear sounds higher in frequency than humans can perceive. This is because the usual prey of cats (particularly rodents such as mice) make high frequency noises, so the hearing of the cat has evolved to pinpoint these faint high-pitched sounds. Cats also have a much better sense of smell than humans.
In geology, rock or stone is a naturally occurring solid aggregate of minerals and/or mineraloids.
The Earth's outer solid layer, the lithosphere, is made of rock. Three majors groups of rocks are defined: igneous, sedimentary, and metamorphic. The scientific study of rocks is called petrology, which is an essential component of geology.
Rocks are generally classified by mineral and chemical composition, by the texture of the constituent particles and by the processes that formed them. These indicators separate rocks into three types: igneous, sedimentary, and metamorphic. They are further classified according to particle size. The transformation of one rock type to another is described by the geological model called the rock cycle.
Igneous rocks are formed when molten magma cools and are divided into two main categories: plutonic rock and volcanic. Plutonic or intrusive rocks result when magma cools and crystallizes slowly within the Earth's crust (example granite), while volcanic or extrusive rocks result from magma reaching the surface either as lava or fragmental ejecta (examples pumice and basalt).
A stereotypical cat lady, or cat woman, is a singlewoman who dotes upon her cat or cats. The term is usually considered pejorative, though it is sometimes embraced.
At least in the Anglosphere, single women who own cats have long been associated with the concept of spinsterhood. In more recent decades, the concept of a cat lady has been associated with "romance-challenged (often career-oriented) women who can't find a man".
The term is also used to denote an animal hoarder who keeps large numbers of cats without having the ability to properly house or care for them. They may be ignorant about their situation.
The 2009 documentary Cat Ladies tells the stories of four women whose lives have become dedicated to their cats. The film was directed by Christie Callan-Jones and produced by Chocolate Box Entertainment, originally for TVOntario. It was an official selection at the 2009 Hot Docs Festival, Silverdocs Festival, and San Francisco's DocFest.
Naftali Berrill, Ph.D., Director of the New York Center for Neuropsychology and Forensic Behavioral Science told AOL Health, "These may be people who have a very hard time expressing themselves to other people. They may find the human need for affection is met most easily through a relationship with a pet." This devotion can sometimes signal mental or emotional issues such as depression.