(Encyclopedia) Mortimer, Sir Edmund de, 1376–1409, English nobleman; youngest son of Edmund de Mortimer, 3d earl of March. In 1398 when young Edmund, the 5th earl, nephew of Sir Edmund, succeeded to…
(Encyclopedia) kookaburrakookaburrak&oobreve;kˈəbûrˌə [key], common name for a squat, long-tailed Australian kingfisher, Dacelo novaeguineae. It is one of the largest birds of the family…
(Encyclopedia) rotavirus, double-stranded RNA virus, genus Rotavirus, with a wheellike appearance that can cause severe watery diarrhea and vomiting, sometimes leading to severe dehydration and death…
Growth ringsComplete babyStages of growthSome of the most exciting fossil finds over the last fifty years have been those that have something to do with young dinosaurs – their nests, eggs, or…
PARASITIC FLUKEA LONG LIFEMETAMORPHOSISFIND OUT MOREThe life cycle of an animal consists of all the stages from the start of one generation to the beginning of the next. For many insects, it…
(Encyclopedia) EndymionEndymionĕndĭmˈēən [key], in Greek mythology, young shepherd, loved by Selene (the moon). In one version of his legend, he asked Zeus for immortality and perpetual youth. Zeus…
(Encyclopedia) AnnaAnnaănˈə [key], [Gr.,=Heb. Hannah], in the Bible. 1 Aged prophetess who hailed Jesus' presentation at the Temple. 2 In the Book of Tobit, the mother of young Tobias.
(Encyclopedia) Tyrwhitt, ThomasTyrwhitt, Thomastĭrˈĭt [key], 1730–86, English scholar. He was noted for his studies of Shakespeare (1766) and for his edition of Chaucer's Canterbury Tales (5 vol.,…
The Dual Nature of LightTheories of the UniverseThe Dual Nature of LightYou Can't See It, but It Has to Be ThereThe Experiment That FailedA Little Bit of Quanta Goes a Long Way Light enables us to…