(Encyclopedia) nearsightedness or myopia, defect of vision in which far objects appear blurred but near objects are seen clearly. Because the eyeball is too long or the refractive power of the eye's…
(Encyclopedia) life preserver, a personal flotation device (PFD) intended to keep the wearer afloat, particularly in case of shipwreck. A Type I PFD will keep even unconscious people afloat in a face…
(Encyclopedia) FaunusFaunusfônˈəs [key], in Roman religion, woodland deity, protector of herds and crops. He was identified with the Greek Pan. His festival was observed on Dec. 5 with dancing and…
(Encyclopedia) anhydrideanhydrideănhīˈdrīd, –drĭd [key] [Gr.,=without water], chemical compound formed by removing water, H2O, from another compound; the anhydride can also react with water to form…
(Encyclopedia) Basilian monksBasilian monksbəzĭlˈēən [key], monks primarily of the Eastern Church. They follow the Rule of St. Basil the Great, which has been universal among them since the 7th cent…
(Encyclopedia) winter cress or upland cress, species of Barbarea, herbs of the family Cruciferae (or Brassicaceae; mustard family). The pungent leaves of several species have been used for salads or…
Courts of law are the umpires of the American legal system. Two types of cases are taken to court, civil and criminal. Civil cases usually deal with disagreements…
WHAT FORMS CAN ENERGY TAKE? HOW DOES ENERGY CHANGE FORM? DOES ENERGY GET USED UP? KINETIC JOULES FIND OUT MORE
Without energy, the world would be lifeless, dark, and still. When…
Migration Some animals live their whole lives in one location. Others migrate, or move from place to place — sometimes over huge distances. Animals migrate for several reasons: to find food or…