(Encyclopedia) Peter of BloisPeter of Bloisblwä [key], 1135?–1203?, French writer. He was educated in law and theology. From 1167 to 1169 he was tutor to King William II of Sicily. He went (c.1173)…
(Encyclopedia) superfluidity, tendency of liquid helium below a temperature of 2.19K to flow freely, even upward, with little apparent friction. Helium becomes a liquid when it is cooled to 4.2K.…
(Encyclopedia)
Rulers of England and Great Britain(including dates of reign)
Saxons and Danes
Egbert, 802–39
Æthelwulf, son of Egbert, 839–58
Æthelbald, son of Æthelwulf, 858–60
Æthelbert,…
(Encyclopedia) GeoffreyGeoffreyjĕfˈrē [key], 1158–86, duke of Brittany (1171–86); fourth son of Henry II of England. Betrothed (1166) to Constance, heiress of Brittany, he was recognized as heir to…
Kidneys: Not Just for Urine!Anatomy and PhysiologyHormonesFeedback: Not Just for GuitarsHow Hormones WorkHypothalamus: The Head HonchoPituitary: The First LieutenantThyroidKidneys: Not Just for…
For centuries, animals have been used to help fight wars. Before there were tanks, soldiers rode their horses into battle. Pack animals such as camels, mules, and horses carried ammunition and…
Uncovering the business of high fashion —David Johnson The term “haute couture” is French. Haute means “high” or “elegant.” Couture literally means “sewing,” but has come to indicate the business…
(Encyclopedia) MauriceMauricemôrˈĭs [key], c.539–602, Byzantine emperor (582–602). He was a successful general when, on his deathbed, Tiberius II, his father-in-law and the successor of Justin II,…
(Encyclopedia) BentivoglioBentivogliobānˈtēvōˈlyō [key], Italian noble family, one of several powerful clans in the struggle for control of Bologna during most of the 15th cent. Its greatest member…
