Lower Vascular Plant

Formerly  pteridophyte,  also called  vascular cryptogam,   any of the spore-bearing vascular plants, including the ferns, club mosses, spike mosses, quillworts, horsetails, and whisk ferns. Once considered of the same evolutionary line, these plants were formerly placed in the single group Pteridophyta and were known as the ferns and fern allies. Although modern studies have shown that the plants are not in fact related, these

Alba

Town, Cuneo provincia, Piedmont regione, northwestern Italy. It lies along the Tanaro River southwest of Turin. It occupies the site of the Roman Alba Pompeia, which was probably founded by Pompeius Strabo (consul, 89 BC) when he constructed the road from Aquae Statiellae (Acqui Terme) to Augusta Taurinorum (Turin). The town became an episcopal see dependent on Milan in the 4th

Fletcher, Alice Cunningham

Fletcher taught school for a number of years, lectured occasionally on various topics,

Scorsese, Martin

Scorsese was a frail, asthmatic child who grew up in New York City in an Italian-American neighbourhood on the Lower East Side of Manhattan. His early interest in film returned after he tried unsuccessfully to enter the Roman Catholic

Radio-frequency Heating

Process of heating materials through the application of radio waves of high frequency—i.e., above 70,000 hertz (cycles per second). Two methods of radio-frequency heating have been developed. One of these, induction heating, has proved highly effective for heating metals and other materials that are relatively good electric conductors. The other method, called dielectric

Bréguet, Abraham-louis

Bréguet was apprenticed in 1762 to a watchmaker at Versailles. He took refuge in London during the French Revolution and, upon his return to France, became a principal watchmaker of the Empire. Among Bréguet's many inventions

Kirkcaldy

First developed by Dunfermline Abbey nearby, Kirkcaldy was a flourishing port during the later Middle Ages. It was designated a royal burgh in 1450, and the royal charter was confirmed by King Charles II in 1662. In the course of the 16th century it became an important

Marr, Nikolay Yakovlevich

A professor at St. Petersburg University from 1900, Marr published numerous collections of old Georgian and Armenian literature and attempted to prove a relationship between

Sartre, Jean-paul

Sartre lost his father at an early age and grew up in the home of his maternal grandfather, Carl Schweitzer, uncle of the medical missionary Albert Schweitzer and himself professor of German at the Sorbonne. The boy, who wandered in the Luxembourg Gardens of Paris in search of playmates, was small in stature and cross-eyed. His brilliant autobiography, Les Mots (1963; Words,

Palatal

In phonetics, a consonant sound produced by raising the blade, or front, of the tongue toward or against the hard palate just behind the alveolar ridge (the gums). The German ch sound in ich and the French gn (pronounced ny) in agneau are palatal consonants. English has no purely palatal consonants, except for the y sound (a semivowel) in “you.” (The sh sound in “ship” and the zh sound

Vacuole

In biology, a space within a cell that is empty of cytoplasm, lined with a membrane, and filled with fluid. Especially in protozoa, vacuoles are cytoplasmic organs (organelles), performing functions such as storage, ingestion, digestion, excretion, and expulsion of excess water. The large central vacuoles often found in plant cells enable them to attain a large size without

Sangha River

Also spelled  Sanga,   tributary of the Congo River, formed by the Mambéré and Kadeï headstreams at Nola, southwestern Central African Republic. The Sangha River flows 140 miles (225 km) south to Ouesso in Congo (Brazzaville), forming part of Cameroon's border with the Central African Republic and Congo. The river then turns south-southeast and southwest, flowing 225 miles (362 km) to its mouth on the Congo