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Ruby Bridges was the first African-American child to attend an all-white public elementary school in the American South. Bridges’ bravery paved the way for continued…

Pyruvic Acid Definition Pyruvic acid is a colorless organic liquid formed by the breakdown of carbohydrates and sugars during cell metabolism. Its Chemical formula: C3H4O3.…

Spodumene Definition Spodumene is a greyish-white, green, or lilac pyroxene mineral consisting of lithium aluminium silicate in monoclinic crystalline form. It’s formula: LiAlSi 2O6. It…

Martin Luther King Jr. (1929-1968) was a Baptist minister and social activist who played a key role in the American civil rights movement from the…

Civil rights activist Rosa Parks refused to surrender her bus seat to a white passenger, spurring the Montgomery boycott and other efforts to end segregation.…

About Asthma Definition Asthma is a common lung disorder in which inflammation causes the bronchi to swell and narrow the airways, creating breathing difficulties that…

Hypersthene Definition Hypersthene is a green, brown, or black pyroxene mineral consisting of magnesium iron silicate in orthorhombic crystalline form. It is a common rock-forming…

Jackie Robinson, at the age of 27, became the first Black Baseball player in Major League history (1947). He broke the color barrier when he…

Sialic Acid Definition Sialic acids are a diverse family of sugar units with a nine-carbon backbone that are typically found attached to the outermost ends…

Binary operations involve two quantities and include addition, subtraction, multiplication, division and exponentiation. A binary operation f(x,y) is an operation that applies to two quantities…

Beryl Definition Beryl is a usually green or bluish-green hexagonal mineral occurring as transparent to translucent prisms in igneous and metamorphic rocks. Transparent varieties, such…

European Expansion In looking at the disparity between the countries of the North (us) and the South (Africa, South America etc), one must start by…