(Encyclopedia) differentiation, in biology, series of changes that occur in cells and tissues during development, resulting in their specialization. This, in turn, permits a greater variety of…
(Encyclopedia)
CE5
Replication of strands of DNA
CE5
nucleic acid, any of a group of organic substances found in the chromosomes of living cells and viruses that play a central role in the…
Celebrating the spirit of love Compiled by Ann-Marie Imbornoni Read some of the most popular love poems of all time by a poets ranging from Shakespeare to Nikki Giovanni. Shall I compare…
(Encyclopedia) Alzheimer's diseaseAlzheimer's diseaseălsˈhīˌmərz, ôls– [key], degenerative disease of nerve cells in the cerebral cortex that leads to atrophy of the brain and senile dementia and,…
Notable Filmmakers and Directors
Spike Lee
See also Actors African-American Actors Asian American Film & Television Personalities Hispanic-American Film, Television, and Theater…
Spike Lee
See also Actors African-American Actors Asian American Film & Television Personalities Hispanic-American Film, Television, and Theater Personalities Women Stage and…
IntroductionHistorical Development and Mechanisms of Evolution and Natural SelectionIntroductionEarly Theories of EvolutionNatural Selection and EvolutionNatural-Selection MechanismsDid a giraffe's…
Where the President Lives and Works
Watch this video to learn facts about the famous landmark, the White House, in Washington, D.C.
Choosing a City
In the late 1700s, it was decided that our…
IntroductionMalariaIntroductionA Nasty ParasiteFever and Ague: Malaria's SymptomsA Frustrating, Yet Curable, DiseasePrevention and Cure Malaria is one of the most successful parasites ever known to…