(AI), international organization headquartered in London that seeks to inform public opinion about violations of human rights, especially the abridgments of freedom of speech and of religion and the imprisonment and torture of political dissidents, and which actively seeks the release of political prisoners and the relief, when necessary, of their families. In
In 1903 the British inventor Donald Murray, following the ideas of Baudot, devised a time-division multiplex system for the British Post Office. The transmitter used a typewriter keyboard that punched tape, and the receiver printed text. He modified the Baudot Code by assigning code combinations with the fewest punched holes to the most frequently encountered letters
In classical Islamic theory, the four major sources from which law is derived: the Qur'an; the sunna, or sunnah (practice of the Prophet as transmitted through his sayings); ijma' (consensus of scholars); and qiyas (analogical deductions from these three). The usul, systematized under ash-Shafi'i (767820), were the result of an Islamization of law that began about the 2nd century of the Muslim era
Kourouma spent his early years in Guinea and attended secondary school in Bamako, Mali, until he was expelled and was drafted into the army by the French. He was sent to Indochina and served in Saigon. Later he continued
In the gold-silicon system of Figure 5, at compositions far from the cusp, glasses cannot be formed by melt quenchingeven by the rapid splat-quench technique of
Born of an old Norman family, Régnier began to prepare for a career as a diplomat, but while studying law in Paris he came under the influence of the Symbolist poets and published his first volume of poems, Lendemains (Tomorrows), in 1885. Other volumes followed: Les Jeux rustiques et
Despite the country's large human population, the land mammals of Japan are relatively numerous in the remote, heavily forested mountain regions. These animals include bears, wild boars, raccoon dogs (tanuki), foxes, deer, antelope, hares, and weasels; some species are distinct from those of the neighbouring Asian continent. Wild monkeys (the Japanese macaque) inhabit
In sympathy with many of their various ends, many scholars have contributed to encyclopaedias. Not all their contributions are known because, until recently, it was not the custom to sign articles. Even today there is what amounts to partial concealment in that articles are often initialled only, and, although a key is provided, few readers look up the writer's identity.
The period from the 1760s to about 1900 was one dominated by exploitation of Antarctic and subantarctic seas, particularly along Scotia Ridge. Sealing vessels of many nations, principally American and British but including Argentine, Australian, South African, New Zealand, German, and Norwegian, participated in hunting that eventually led to near extinction of the southern
Human fossil remains discovered in a rock shelter at Chancelade in southwestern France in 1888. The skeleton was found in a curled posturean indication of a deliberate burialbelow the lower Magdalenian occupation floors of the shelter; it is assumed to be of Magdalenian age (about 17,000 years old). The Chancelade skull was studied by the French anatomist Jean-Léo Testut, who
Also called Bulbospongiosus, a muscle of the perineum, the area between the anus and the genitals. In the male, it surrounds the bulb (the enlarged inner end of the structure that surrounds the urethra) of the penis and can be contracted to expel the last drops of urine or semen. In the female it is divided into halves that extend from just behind the clitoris to the central tendon of the perineum and
Of humble origins, Alaungpaya was a village headman from the
(family Ephippidae), any of about 17 species of marine fishes (order Perciformes), predominantly tropical though also found in temperate regions. In appearance the spadefishes are deep-bodied and laterally compressed, with five or six vertical black bands on a silvery body. The vertical bars may disappear with age, the adults being solid white, black, or, more commonly,