By definition, the iron lung is "an airtight metal tank that encloses all of the body except the head and forces the lungs to inhale and exhale through regulated changes in air pressure." According to Robert Hall author of History of the British Iron Lung, the first scientist to appreciate the mechanics of respiration was John Mayow.
Trabajar como niñera (au pair) en Estados Unidos requiere seguir unas directrices estrictas establecidas por el gobierno para sacar la visa J-1 para ese programa específico. Además, las agencias autorizadas para contratar extranjeros para esa posición pueden establecer sus propias preferencias. En este artículo se informa sobre los requisitos legales y también sobre los que habitualmente piden las agencias autorizadas para contratar.
The Borgia Codex: The Borgia Codex is an ancient book, created in Mexico in the age before the arrival of the Spanish. It consists of 39 double-sided pages, each of which contains pictures and drawings. It was most likely used by native priests to predict cycles of time and fate. The Borgia Codex is considered one of the most important surviving pre-Hispanic documents, both historically and artistically.
John Erskine, earl of Mar (1675-1732) Jacobite leader who changed stance several times during his career. Initially he was in favour of the act of Union between England and Scotland, although before he fell from power he had changed to become an advocate of repeal. After the death of Queen Anne, he joined the camp of James Edward Stuart, the Old Pretender, and on 6 September 1715 he raised the Jacobite flag in Scotland, starting the First Jacobite Revolt.
Frankenstein , by Mary Shelley, is a classic horror novel and a prime example of the Gothic genre. Published in 1818, Frankenstein tells the story of an ambitious scientist and the monster he creates. The unnamed creature is a tragic figure who becomes violent and murderous after being rejected by society.