editing

  Water Water, a substance composed of the chemical elements hydrogen and oxygen and existing in gaseous, liquid, and solid states. It is one of the most plentiful and essential of compounds. A tasteless and odourless liquid at room temperature, it has the important ability to dissolve many other water Water is made up of hydrogen and oxygen, and it exists in gaseous, liquid, and solid states. Water is one of the most plentiful and ... Water Explained in 5 Questions Water is an inorganic chemical compound abundantly found on Earth. Each water molecule consists of two hydrogen atoms and one oxygen atom. Pure water is ... Vitamins   from the article   Human Nutrition Water is consumed not only as water itself and as a constituent of other beverages but also as a major component of many foods, particularly ... Water Resource Water resource, any of the entire range of natural waters that occur on the Earth, regardless of their state (i.e., vapour, liquid, or solid) and ... Ice, Water, Vapo

  The Hill (film by Lumet [1965]) The Hill, American film drama, released in 1965, that was an acclaimed work of Neorealism from director Sidney Lumet. Set in a British military prison in the Libyan desert during World War II, The Hill centres on a group of soldiers jailed for such offenses as insubordination, drunkenness, and Joe Hill (American songwriter and labour organizer) Hill was commemorated in a famous ballad bearing his name, written in 1925 by poet Alfred Hays. Butte (geology) Butte, (French: hillock or rising ground) also spelled bute, flat-topped hill surrounded by a steep escarpment from the bottom of which a slope descends to ... George Roy Hill (American director) Hill subsequently signed a long-term deal with Universal, and his first project for the studio was Slaughterhouse-Five (1972). With its time-traveling hero and bitterly ironic ... Anita Hill (American attorney and educator) For some 20 years after her Senate testimony, Hill maintained a relatively low profile.

  Anode (electronics) Anode, the terminal or electrode from which electrons leave a system. In a battery or other source of direct current the anode is the negative terminal, but in a passive load it is the positive terminal. For example, in an electron tube electrons from the cathode travel across the tube toward the plate tectonics (geology) Although this has yet to be proven with certainty, most geologists and geophysicists agree that plate movement is caused by the convection (that is, heat ... Toward a unifying theory   from the article   Plate Tectonics Most agree that plate movement is the result of the convective circulation of Earths heated interior, much as envisaged by Arthur Holmes in 1929. The ... Preparing stereotypes and plates   from the article   Printing The plates are trued up by milling or filing to the desired thickness and glued either to the plate cylinder of the rotary or to ... Chile earthquake of 1960 The Nazca plate is a large tectonic plate that underlies th

  Corona Australis, (Latin: Southern Crown)also called Corona Austrina, constellation in the southern sky, at about 19 hours right ascension and 40 south in declination. The ... Cigar Modern cigars are described by their size and shape as follows: corona is a straight-shaped cigar with rounded top (the end placed in the mouth), ... Eclipse research activities   from the article   Eclipse Because the corona is a million times fainter than the disk of the Sun, it cannot be seen unaided in broad daylight. In 1930 the ... Transition Region And Coronal Explorer (United States satellite) TRACE revealed a much more dynamic solar corona than had previously been known. Structures in the corona were seen to change over a period of ... Corona   from the article   Sun Since the discovery of the nature of the corona, such low-density superhot plasmas have been identified throughout the universe: in the atmospheres of other stars, ... Coronal Mass Ejection (astronomy) Before the invention of the cor

  Money Money, a commodity accepted by general consent as a medium of economic exchange. It is the medium in which prices and values are expressed; as currency, it circulates anonymously from person to person and country to country, thus facilitating trade, and it is the principal measure of wealth. The Currency (economics) Currency, in industrialized nations, portion of the national money supply, consisting of bank notes and government-issued paper money and coins, that does not require endorsement ... What Will Be Used for Money After Bills and Coins? Money, it has been said, is a social convention. Everyone agrees some pieces of paper or discs of metal issued by a government have a ... Fiat Money (economics) Fiat money, in a broad sense, all kinds of money that are made legal tender by a government decree or fiat. The term is, however, ... Bank money   from the article   Bank In contrast to the earliest forms of money, which were commodity moneys based on items such as seashells, to

  Fire Ant (insect) Fire ant, (genus Solenopsis), also called thief ant, any of a genus of insects in the family Formicidae, order Hymenoptera, that occur in tropical regions ... Antlion (insect) Antlion, (family Myrmeleontidae), any of a group of insects (order Neuroptera) that are named for the predatory nature of the larva, which trap ants and ... Sahara Desert Ant (insect) Matthias Wittlinger of the University of Ulm (Germany) and colleagues hypothesized that the ants measure the distance traveled by registering their leg movements using a ... Honey Ant (insect) Honey ant, any member of several different species of ant (family Formicidae; order Hymenoptera) that have developed a unique way of storing the honeydew, a ... Leafcutter Ant (insect tribe) Leafcutter ant, (tribe Attini), any of 39 ant species abundant in the American tropics, easily recognized by their foraging columns composed of hundreds or thousands ... Driver Ant (insect) Driver ant, African member of the insect subfa

 Typically, the lion inhabits grasslands and savannas , but is absent in dense forests . It is usually more diurnal than other wild cats, but when persecuted it adapts to being active at night and at twilight . During the Neolithic period, the lion ranged throughout Africa , Southeast Europe , and Western and South Asia , but it has been reduced to fragmented populations in sub-Saharan Africa and one population in western India . It has been listed as Vulnerable on the IUCN Red List since 1996 because populations in African countries have declined by about 43% since the early 1990s. Lion populations are untenable outside designated protected areas. Although the cause of the decline is not fully understood, habitat loss and conflicts with humans are the greatest causes for concern. One of the most widely recognised animal symbols in human culture, the lion has been extensively depicted in sculptures and paintings, on national flags, and in contemporary films and literatur