(Encyclopedia) killer whale,&sp;orca, or grampus, a large, rapacious marine mammal of the dolphin family. Historically considered one species, Orcinus orca, killer whales may be classified into…
(Encyclopedia) pangolinpangolinpăng-gōˈlĭn [key], armored, toothless mammal of tropical Asia and Africa. Pangolins range in length from 3 to 6 ft (90–180 cm) including the long, broad tail. Their…
Going Their Separate WaysAnatomy and PhysiologyCardiovascular and Lymphatic CirculationVessels To and FroHere, There, EverywhereGoing Their Separate WaysOh, the Pressure!Drainage System The most…
(Encyclopedia) actinium series, natural radioactive decay series beginning with uranium-235 (also called actinouranium) and ending with lead-207. See radioactivity.
Being female has never been easy, especially when you consider the traps and tortures inflicted on girls and women for the sake of someone's idea of beauty. Here's a look at some of the life-…
(Encyclopedia) glaze, translucent layer that coats pottery to give the surface a finish or afford a ground for decorative painting. Glazes—transparent, white, or colored—are fired on the clay. Of the…
(Encyclopedia) LeninogorLeninogorlənēnˈəgôrˌ [key], formerly LeninogorskLeninogorsklyĕˌnyĭnəgôrskˈ [key], city (1989 pop. 68,706), NE Kazakhstan, in the Altai Mts. It is a mining center in an area…
(Encyclopedia) vermilion, vivid red pigment of durable quality. It is a chemical compound of mercury and sulfur and is known as red sulfide of mercury; it was formerly obtained by grinding pure…
(Encyclopedia) plumbing, piping systems inside buildings for water supply and sewage. The Romans had a highly developed plumbing system; water was brought to Rome by aqueducts and distributed to…
