As smart as a cassowary?Brain to body weightDinosaur brain power relative to a crocodile’sHow intelligent were dinosaurs? It is difficult to know how smart dinosaurs were because their brains…
(Encyclopedia) graphene, virtually transparent, highly conductive carbon material in which the atoms are organized into a honeycomblike arrangement and form a thin sheet that is one atom thick. Andre…
actressBorn: 11/21/1941Birthplace: London, England Best known for her portrayal of Phoebe Figalilly in the situation comedy The Nanny and the Professor (1970–71), Juliet Mills has never achieved…
Tips for Writing Essays Since the Homework Helpers can't tell you what to write on, here are some suggestions for coming up with a good topic. First, choose a subject that…
Invented by the Greeks in 400 B.C., catapults were used in ancient and medieval times to hurl stones, spears, and other objects at fortifications.
The crossbow was invented in China but developed…
Homework Center – Writing Skills Tips for Writing Essays Since the Homework Center can't tell you what to write on, here are some suggestions for coming up with a good topic. First…
(Encyclopedia) Mosley, Walter, 1952–, African-American author, b. Los Angeles. He was a computer programmer until his first novel, the best-selling mystery Devil in a Blue Dress (1990; film, 1995),…
(Encyclopedia) grenadegrenadegrĭnādˈ [key], small bomb either thrown by hand or shot from a modified rifle or a grenade launcher. It may be filled with gas or chemicals but more often holds an…
(Encyclopedia) microprocessor, integrated circuit containing the arithmetic, logic, and control circuitry required to interpret and execute instructions from a computer program. When combined with…
BURKE, Yvonne Brathwaite, a Representative from California; born Perle Yvonne Watson in Los Angeles, Calif., October 5, 1932; attended the public schools in Los Angeles; B.A., University of…