Bohr was a Danish physicist who was among the first to recognize the importance of an element’s atomic number. He was also the first to apply the quantum theory to atomic and molecular structure, and his concept of the atomic nucleus was a key step in understanding nuclear fission. He won a Nobel Prize for Physics in 1922 for his work on atomic theory. Though he contributed to atomic bomb research during World War II, he later devoted himself to arms control. What element is named in his honor? Discuss
Source: The Free Dictionary
Classically, escapology is the art of escaping from rope bindings. It has since evolved to include escapes from a variety of restraints, including straightjackets, cages, chains, and prisons. In the early 1900s, Harry Houdini, a master escapologist, began performing his “Chinese Water Torture Cell” act. The escape required a bound Houdini to hold his breath for more than three minutes while freeing himself from a locked, water-filled glass tank. Illusionists before Houdini had relied on what? 
In the 1920s, filmmakers began experimenting with sound effects and music in films. With about 15 minutes of dialogue and songs, The Jazz Singer was the first feature-length film to have synchronized dialogue. Based on the earlier stage play, the film was a landmark in the history of motion pictures, and its release heralded the commercial ascendance of “talkies” and the decline of the silent film era. The first all-talking picture was released a year later. What was it? 
Descendants of the earliest German settlers have observed October 6 as German Pioneer Day or German Settlement Day since 1908, but it wasn’t until 1987 that October 6 was formally designated 
A freed slave, Christophe was a Haitian revolutionary leader who was army chief under Jean-Jacques Dessalines. When Dessalines declared himself emperor, Christophe took part in a successful plot against his life and was elected president of the republic. In 1811, Christophe declared himself king of North Haiti—as Henri I—and created an autocracy patterned after the absolute monarchies of Europe. Engaging in a tyrannical reign, Christophe surrounded himself with lavish wealth. How did he die? 
A necropolis, Greek for “city of the dead,” is a large cemetery or burial ground. The term typically is used in reference to burial grounds that lie in close proximity to centers of ancient civilization. In fantasy literature, the word necropolis takes on a different connotation, often describing cities populated by zombies or the undead. The Hypogeum of Hal-Saflieni, which dates back to 2500 BCE, is probably the world’s oldest necropolis. Why did ancient Romans adopt the necropolis? 
During the French Revolution, 6,000 knife-wielding fishwives and their husbands marched to the Palace of Versailles, gleefully singing songs about killing Marie Antoinette, whom they blamed for recent bread shortages. They broke into the palace early the next morning and beheaded two royal guards. The queen, her children, and her attendants hid in the king’s bedchamber while a large crowd gathered in the courtyard outside, demanding an audience. Aside from food, what did they demand of the king? 
October 9 is the anniversary of the Great Chicago Fire of 1871, which killed more than 250 people and destroyed more than 17,000 structures. Every year since 1925, the week in which October 9 falls has been observed nationwide as National Fire Prevention Week. Each year, the