100 Years Young Centenarians have the last word by Zoe Segal-Reichlin As advancements in technology and medical research have skyrocketed, so have life expectancy figures in the U.S.…
What's a Mole?ChemistryThe MoleWhat's a Mole?Molar MassConverting Between Moles, Molecules, and GramsPercent Composition I'm wearing a pair of shoes right now. My question for you: How many shoes…
(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) 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) 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…
(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…
Source: National Institute of Allergy and Infectious Diseases, National Institutes of Health. The problem. In the course of a year, individuals in the United States suffer one billion colds,…
