The Most Popular ParallelogramsGeometryPutting Quadrilaterals in the ForefrontProperties of All QuadrilateralsProperties of TrapezoidsLet's All Fly a Kite!Properties of ParallelogramsThe Most Popular…
Verbs: All the Right MovesParts of SpeechGrammarNouns: Prime-Time PlayersVerbs: All the Right MovesConjunctions: The Ties That BindPrepositions: Good Things Come in Small PackagesAdjectives: Happy…
(Encyclopedia) Schiavo case, the legal battles over the guardianship and rights of Theresa Maria Schindler Schiavo (1963–2005). Terri Schiavo was incapacitated and hospitalized in 1990, after she…
Vertebrates and Invertebrates Warm-blooded animals regulate their own body temperatures; their bodies use energy to maintain a constant temperature. Cold-blooded animals depend on their…
—Francis Scott Key, 1814O say, can you see, by the dawn's early light,What so proudly we hail'd at the twilight's last gleaming?Whose broad stripes and bright stars, thro' the perilous fight,O'er…
Fastest You wont want to challenge any of these animals to a race! Follow this slideshow to see how fast the cheetah, killer whale, peregrine falcon, and sailfish can travel. Prev…
(Encyclopedia) Mesozoic eraMesozoic eramĕzˌəzōˈĭk [key] [Gr.,=middle life], major division of geologic time (see Geologic Timescale, tablegeologic timescale, table) from 65 to 225 million years ago.…
(Encyclopedia) lemurlemurlēˈmər [key], name for prosimians, or lower primates, of two related families, found only on Madagascar and adjacent islands. Lemurs have monkeylike bodies and limbs, and…
(Encyclopedia) goatsucker, common name for nocturnal or crepuscular birds of the order Caprimulgiformes, which includes the frogmouth, the oilbird, potoos, and nightjars. Goatsuckers are medium in…