The ukulele is a Hawaiian musical instrument developed from the Portuguese guitar. It has a fretted fingerboard and four strings that are plucked or strummed. A similar instrument is the banjolele, which has a banjo body. The ukulele became popular in the US through a 1915 exposition held in San Francisco, at which the Hawaiian Pavilion featured a guitar and ukulele ensemble. Vaudeville performers took it up, and its popularity spread. “Ukulele” is Hawaiian for what? Discuss
Source: The Free Dictionary
Salmonella is a certain type of bacteria, several species of which are responsible for typhoid fever, paratyphoid fever, and food poisoning in humans. It is usually contracted from poultry, meat, or raw eggs and from food that has been cooked or frozen and not eaten right away. Salmonella poisoning could also result from handling reptiles, such as iguanas or terrapins, which commonly host the bacteria. According to the US government, what percentage of chickens is contaminated with salmonella? 
The poppy family is composed chiefly of herbs from the Northern Hemisphere that have characteristic milky or colored sap. Most species are native to the Old World, and many are cultivated in gardens for their brilliantly colored, if short-lived, blossoms. The opium poppy is grown for its opium as well as for its seeds for cooking and baking. The poppy has been the symbol of the dead and of sleep since antiquity. In many countries, the poppy is worn to commemorate what holiday? 
The modern Highland Games began in the 1780s as an organized effort to revive Scottish Highland traditions. These celebrations of Scottish and Celtic heritage center around competitions in piping, drumming, dancing, and Scottish heavy athletics. The caber toss, in which a competitor balances a long, heavy wooden pole vertically and then tosses it, has become a recognized symbol of the Highland Games. What other feats of strength are often included in the Games’ athletic competitions? 
Pointillism, a Post-Impressionist school of painting exemplified by Georges Seurat and his followers in late 19th-century France, is characterized by the application of paint in small dots and brush strokes. These distinct points of primary colors create the visual effect of a wide selection of secondary colors, relying heavily on the viewer’s perceptive ability to mix the color spots into a full range of tones. The technique is analogous to the color production of what modern devices? 
Apartheid was a system of racial segregation enforced in South Africa for almost 50 years that was legally abolished in the early 1990s. Apartheid served not only to separate whites from non-whites, but also non-white groups from one another. The 1959 Sharpeville Massacre, in which police officers opened fire on unarmed protesters, killing 69 and injuring 186, was a major turning point in public opinion of South African apartheid. What does the word apartheid mean in Afrikaans? 
Alzheimer’s is a degenerative disease of nerve cells in the cerebral cortex that leads to atrophy of the brain and senile dementia. First described in 1906, the disease is characterized by abnormal accumulation of plaques and malformed nerve cells. The disease usually affects people over age 65; short-term memory loss is an early symptom. The cause of Alzheimer’s is not known, and, as yet, there is no known cure. How do chess and crossword puzzles factor into Alzheimer’s prevention? 
A Chinatown is a section of an urban area outside of China that is associated with a large number of Chinese residents or commercial activities. These are most common in Southeast Asia and North America. Today, some Chinatowns are focused on commercial tourism while others are actual living and working communities; some are a synthesis of both. Many Chinatowns have beautifully crafted paifang, large red arched entrance structures. Who traditionally financed paifang construction? 
Wall Street is a narrow street in lower Manhattan, New York City, extending east from Broadway to the East River. It is the center of one of the greatest financial districts in the world. As the first permanent home of the New York Stock Exchange, the term “Wall Street” has come to denote US financial interests. Many New York financial firms, however, are no longer headquartered on Wall Street, but elsewhere in Manhattan, Connecticut, or New Jersey. Where did Wall Street get its name? 
Longfellow was a popular 19th c. American poet. He wrote some of the most popular poems in American literature and his works created a new body of romantic American legends. In preparation for professorships, he traveled to Europe twice to study languages. His works were immensely popular during his lifetime and remain so, despite critics’ complaints that they are simple, sentimental, and moralizing. As a teenager, Longfellow began a lifelong friendship with what other famous American novelist?