Eagle

Eagle is a common name for many large birds of prey of the family Accipitridae; it belongs to several groups of genera that are not necessarily closely related to each other. Most of the sixty species of eagles are from Eurasia and Africa. Outside this area, just fourteen species can be found - two in North America, nine in Central and South America, and three in Australia.

Eagles are large, powerfully built birds of prey, with a heavy head and beak. Even the smallest eagles, like the booted eagle (Aquila pennata) (which is comparable in size to a common buzzard (Buteo buteo) or re-tailed hawk (B. jamaicensis)), have relatively longer and more evenly broad wings, and more direct, faster flight - despite the reduced size of aerodynamic feathers. Most eagles are larger than any other raptors apart from some vultures.

The smallest species of eagle is the South Nicobar serpent eagle (Spilornis klossi), at 450 g (1 lb) and 40 cm (16 in). The largest species are discussed below. Like all birds of prey, eagles have very large hooked beaks for tearing flesh from their prey, strong muscular legs, and powerful talons. The beak is typically heavier than that of most other birds of prey. Eagles' eyes are extremely powerful, having up to 3,6 times human acuity for the martial eagle, which eanbles them to spot potential prey from a very long distance.

This keen eyesight is primarily attributed to their extremely large pupils which ensure minimal diffraction (scattering) of the incoming light. The female of all known species of eagle is larger than the male. Eagles normally build their nests, called eyries, in tall trees or on high cliffs. Many species lay two eggs, but the older, larger chick frequently kils its younger sibling once it has hatched. 

The dominant chick tends to be the female, as they are bigger than the male. The parentes take no action to stop the killing.

Sharks

Sharks are a group of fish characterized by a cartilaginous skeleton, five to seven gill slits on the sides of the head, and pectoral fins that are not fused to the head. Modern sharks are classified within the clade Selachimorpha and are the sister group to the rays. However, the term "shark" has also been used for extinct members of the subclass Elasmobranchii outside the Selachimorpha, such as Cladoselache and Xenacanthus. Under this broader definition, the earliest known sharks date back to more than 420 million years ago.

Since then, sharks have diversified into over 505 species. They range in size from the small dwarf lanternshark, a deep sea species of only 17 centimetres 6,7 inch) in length, to the whale shark (Rhincodon typus), the largest fish in the world, which reaches approximately 12 metres (39 foot) in length. 

Until the 16th century, sharks were known to mariners as "sea dogs". The etymology of the word "shark" is uncertain. One theory is that it derives from the Yucatec Maya word "xok", pronounced "shok". Evidence for this etymology comes from the Oxford English Dictionary, which notes shark first came into use after Sir John Hawkins' sailors exhibited one in London in 1569 and posted "sharke" to refer to the large sharks of the Caribbean Sea. 

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Balaenidae

Balaenidae is a family of whales of the suborder mysticete that contains two living genera. Historically, it is known as the right whale family, as it was thought to contain only species of right whales.

Through most of the 20th Century, however, that became a much-debated (and unresolved) topic amongst the scientific community. Finally, in the early 2000s, science reached a definitive conclusion: the bowhead whale, once commonly known as the Greenland right whale, was not in fact a right whale.

The family of Balaenids, therefore, comprises the right whales (genus Eubalaena), and in a genus all to its own, the very closely related bowhead whale (genus Balaena). Their principle distinguishing feature is their narrow, arched, upper jaw, which gives the animals a deeply curved jawline. This shape allows for especially long baleen plates.

Snakes

Snakes are elongated, legless, carnivorous reptiles of the suborder Serpentes that can be distinguished from legless lizards by their lack of eyelids and external ears. Like all squamates, snakes are ectothermic, amniote vertebrates covered in overlapping scales. Many species of snakes have skulls with several more joints than their lizard ancestors, enabling them to swallow prey much larger than their heads with their highly mobile jaws.

To accommodate their narrow bodies, snakes´paired organs (such as kidneys) appear one in front of the other instead of side by side, and most have only one fuctional lung. Some species retain a pelvic girdle with a pair of estigial claws on either side of the cloaca.

Living snakes are found on every continent except Antarctica, and on most smaller land masses - exceptions include some large islands, such as Ireland and New Zealand, and many small islands of the Atlantic and central Pacific. Additionally, sea snakes are widespread throughout the Indian and Pacific Oceans.

Television advertisement

A commercial advertisement on television (usually abbreviated to TV commercial, ad, ad-film, and known in UK as advert, or TV advert) is a span of television programming produced and paid for by an organization, which conveys a message, typically to market a product or service.

Advertising revenue provides a significant portion of the funding for most privately owned television networks. The vast majority of television advertisements today consist of brief advertising spots, ranging in length from a few seconds to several minutes (as well as program.length infomercials). 

Advertisements of this sort have been used to promote a wide variety of goods, services and ideas since the dawn of television. The effects of television advertising upon the viewing public (and the effects of mass media in general) have been the subject of philosophical discourse by such luminaries as Marshall Mcluhan. The viewership of television programming, as measured by companies such as Nielsen Media Research, is often used as a metric for television advertisement placement, and consequently, for the rates charged to advertisers to air within a given network, television program, or time of day (called a "day-part").

In many countries, including the United States, television campaign advertisements are considered indispensable for a political campaign. In other countries, such as France, political advertising on television is heavily restricted, while some countries, such as Norway, completely ban political ads. The first official, paid television advertisement was broadcast in the United States on July 1, 1941 over New York station WNBT (now WNBC) before a baseball game between the Brooklyn Dodgers and Philadelphia Phillies. The announcement for Bulova watches, for which the company paid anywhere from $4.00 to $9.00 (reports vary), displayed a WNBT test pattern modified to look like a clock with the hands showing the time.

The Bulova logo, with the phrase "Bulova Watch Time", as shown in the lower right-hand quadrant of the test pattern while the second hand swept around the dial for one minute. The first TV ad broadcast in Asia was on Nippon TV in Tokio on August 28, 1953, advertising Seikosha (now Seiko), with also displayed a clock with the current time. The first TV ad broadcast in the UK was on ITV on 22 September 1955, advertising Gibbs SR toothpaste.

Smart TV

A Smart TV, sometimes referred to as connected TV or hibrid TV, (not to be confused with IPTV, Internet TV, or with Web TV) is a television set or set-top box with integrated Internet and Web 2.0 features, and is an example of technological convergence between computers and television sets and set-top boxes.

Besides the traditional functions of television sets and set-top boxes provided through traditional broadcasting media, these devices can also provide online interactive media, Internet TV, over-the-top content, as well as on-demand streaming media, and home networking access.

The software that runs smart TVs can be preloaded into the device, or updated or installed on demand via on app store or app marketplace, in a similar manner to how the Internet, Web widgets, and software applications (in this context commonly just referred to as "apps") are integrated in modern smartphones.

The technology that enables smart TVs is also incorporated in devices such as set-top boxes, digital media players, Blu-ray players, game consoles, digital signage hotel television systems, and other network connected interactive devices that utilize television type display outputs. 

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Television or TV.

Television (TV) is a telecommunication medium that is used for transmiting and receiving moving images and sound. Television can transmit images that are monochrome (black and white), in color, or in three dimensions.

The word "television" comes from Ancient Greek (tele = far),  and Latin (visio = sight). Television may also refer specifically to a television set, television program, or television transmission. First commercially available in very crude form on an experimental basis in the late 1920s, then popularized in greatly improved form shortly after World War II, the television set has become commonplace in homes, businesses, and institutions, particularly as a vehicle for entertainment, adevertising, and news. During the 1950s, tv became the primary medium for molding public opinion.

In the mid-1960s, color broadcasting and sales of color tv sets surged in the US and began in most other developed countries. The availability of storage media such as video cassettes (mid 1970s), laserdiscs (1978), DVDs (1997), and highdefinition Blu-ray discs (2006) enabled viewers to use the television set to watch recorder material such as movies and broadcast material. 

Internet TV has seen the rise of television programming available via the Internet through services such as iPlayer, Hulu, and Netflix. In 2009, 78% of the word´s households owned at least one television set, an increase of 5% from 2003. The replacement of bulky, high-voltage cathode ray tuve (CRT) screen displays with compact, energy-efficient, flat-panel alternatives such as LCDs (both fluorescentbacklit and LED-backlit), plasma displays, and OLED displays was a major hardware revolution that began penetrating the consumer computer monitor market in the late 1990s and soon spread to TV sets. In 2013, 87% of televisions sold had color LCD screens.