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District of Columbia v. Heller, 554 U.S. 570 (2008), is a landmark decision of the Supreme Court of the United States.It ruled that the Second Amendment to the U.S. Constitution protects an individual's right to keep and bear arms—unconnected with service in a militia—for traditionally lawful purposes such as self-defense within the home, and that the District of Columbia's handgun ban and ...
Science is a rigorous, systematic endeavor that builds and organizes knowledge in the form of testable explanations and predictions about the world. Modern science is typically divided into three major branches: the natural sciences (e.g., physics, chemistry, and biology), which study the physical world; the social sciences (e.g., economics, psychology, and sociology), which study individuals ...
North America covers an area of about 24,709,000 square kilometers (9,540,000 square miles), representing approximately 16.5% of the Earth 's land area and 4.8% of its total surface area. It is the third-largest continent by size after Asia and Africa, and the fourth-largest continent by population after Asia, Africa, and Europe.
Jacqueline " Jackie " Lee Kennedy Onassis ( née Bouvier / ˈbuːvieɪ /; July 28, 1929 – May 19, 1994) was an American writer, book editor, and socialite who served as the first lady of the United States from 1961 to 1963, as the wife of President John F. Kennedy. A popular first lady, she endeared herself to the American public with her ...
International Business Machines Corporation (using the trademark IBM ), nicknamed Big Blue, [6] is an American multinational technology company headquartered in Armonk, New York and present in over 175 countries. [7] [8] IBM is the largest industrial research organization in the world, with 19 research facilities across a dozen countries ...
Kelly Clarkson (born Kelly Brianne Clarkson, April 24, 1982; Kelly Brianne in private [4]) [a] is an American singer, songwriter, and television personality. She rose to fame after winning the first season of American Idol in 2002, which earned her a record deal with RCA Records.
The gamma distribution is the maximum entropy probability distribution (both with respect to a uniform base measure and a base measure) for a random variable X for which E[X] = kθ = α/β is fixed and greater than zero, and E[ln X] = ψ(k) + ln θ = ψ(α) − ln β is fixed ( ψ is the digamma function ). [1]
Mel Gibson. Mel Columcille Gerard Gibson [3] AO (born January 3, 1956 [4]) is an American actor and film director. He is known for his action hero roles, particularly his breakout role as Max Rockatansky in the first three films of the post-apocalyptic action series Mad Max and as Martin Riggs in the buddy cop action-comedy film series Lethal ...