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Lady Justice, often used as a personification of the law, holding a sword in one hand and scales in the other.

Law is a set of rules that are created and are enforceable by social or governmental institutions to regulate behavior, with its precise definition a matter of longstanding debate. It has been variously described as a science and as the art of justice. State-enforced laws can be made by a group legislature or by a single legislator, resulting in statutes; by the executive through decrees and regulations; or established by judges through precedent, usually in common law jurisdictions. Private individuals may create legally binding contracts, including arbitration agreements that adopt alternative ways of resolving disputes to standard court litigation. The creation of laws themselves may be influenced by a constitution, written or tacit, and the rights encoded therein. The law shapes politics, economics, history and society in various ways and also serves as a mediator of relations between people.

Legal systems vary between jurisdictions, with their differences analysed in comparative law. In civil law jurisdictions, a legislature or other central body codifies and consolidates the law. In common law systems, judges may make binding case law through precedent, although on occasion this may be overturned by a higher court or the legislature. Historically, religious law has influenced secular matters and is, as of the 21st century, still in use in some religious communities. Sharia law based on Islamic principles is used as the primary legal system in several countries, including Iran and Saudi Arabia.

The scope of law can be divided into two domains: public law concerns government and society, including constitutional law, administrative law, and criminal law; while private law deals with legal disputes between parties in areas such as contracts, property, torts, delicts and commercial law. This distinction is stronger in civil law countries, particularly those with a separate system of administrative courts; by contrast, the public-private law divide is less pronounced in common law jurisdictions. (Full article...)

Selected article

Targeted Killing in International Law is a book about the legality of targeted killing, written by Nils Melzer. It was first published by Oxford University Press in May 2008. The book explores the history of targeted killing, as a government strategy by multiple countries including the United States, the United Kingdom, Israel, Switzerland and Germany; for both military and law enforcement purposes. Melzer argues that directly after the September 11 attacks in the United States, perceptions of the tactic became more positive.

Melzer holds a PhD degree in law from the University of Zürich. His dissertation dealt with targeted killing and the book updates and revises that work. He had earlier written on the subject for Yearbook of International Humanitarian Law in 2006. Melzer serves as a legal advisor for the International Committee of the Red Cross (ICRC). He has lectured at the Master-level at the Geneva Academy of International Humanitarian Law and Human Rights. (Full article...)

Selected biography

A black and white photograph of Scipio Africanus Jones

Scipio Africanus Jones (August 3, 1863 – March 2, 1943) was an American educator, lawyer, judge, philanthropist, and Republican politician from the state of Arkansas. He was most known for having guided the appeals of the twelve African-American men condemned to death after the Elaine Massacre of October 1919. More than one hundred African Americans were indicted in the aftermath of the riot, although an estimated one hundred to two hundred Black Americans were killed in the county, along with five whites. No whites were prosecuted by the state. The case was appealed to the United States Supreme Court, which in Moore v. Dempsey (1923) set a precedent of reviewing the conduct of state criminal trials against the Due Process Clause of the Fourteenth Amendment to the United States Constitution.

Born into slavery in Smith Township near Tulip in Dallas County in south Arkansas, Jones became a successful and powerful businessman. Jones was the first lawyer in Arkansas to raise the question that African Americans had not been permitted to serve on grand juries and petit juries. In 1915, Jones broke a color barrier when he was appointed to serve as acting judge of the Little Rock police court, presiding over a case in which all the parties were blacks, as were the witnesses and attorneys except the city attorney, who supported having a Negro judge preside at this particular trial. Jones also represented Negro Shriners as part of a successful defense against efforts to keep them from using the name and paraphernalia of the Shriners organization. (Full article...)

Selected statute

A statute is a formal written enactment of a legislative body, a stage in the process of legislation. Typically, statutes command or prohibit something, or declare policy. Statutes are laws made by legislative bodies; they are distinguished from case law or precedent, which is decided by courts, regulations issued by government agencies, and oral or customary law.[better source needed] Statutes may originate with the legislative body of a country, state or province, county, or municipality. (Full article...)


A large gleaming white truck faces diagonally right towards the camera.

Hours of service (HOS) regulations are issued by the Federal Motor Carrier Safety Administration (FMCSA) and govern the working hours of anyone operating a commercial motor vehicle (CMV) in the United States. These regulations apply to truck drivers, commercial and intercity bus drivers, and school bus drivers who operate CMVs. These rules limit the number of daily and weekly hours spent driving and working, and regulate the minimum amount of time drivers must spend resting between driving shifts. For intrastate commerce, the respective state's regulations apply.

The HOS's main purpose is to prevent accidents caused by driver fatigue. This is accomplished by limiting the number of driving hours per day, and the number of driving and working hours per week. Fatigue is also prevented by keeping drivers on a 21- to 24-hour schedule, maintaining a natural sleep/wake cycle (or circadian rhythm). Drivers are required to take a daily minimum period of rest, and are allowed longer "weekend" rest periods to combat cumulative fatigue effects that accrue on a weekly basis. (Full article...)

Did you know...

  • ... that, in the cases of Klayman v. Obama and ACLU v. Clapper, US district courts issued conflicting rulings on the constitutionality of bulk data collection by the US government?
  • ... that in 2011, Nitehawk Cinema successfully lobbied to overturn a Prohibition-era liquor law that prevented movie theaters in New York from serving alcohol?

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Selected case

Case law, also used interchangeably with common law, is a law that is based on precedents, that is the judicial decisions from previous cases, rather than law based on constitutions, statutes, or regulations. Case law uses the detailed facts of a legal case that have been resolved by courts or similar tribunals. These past decisions are called "case law", or precedent. Stare decisis—a Latin phrase meaning "let the decision stand"—is the principle by which judges are bound to such past decisions, drawing on established judicial authority to formulate their positions. (Full article...)


Brown v. Board of Education of Topeka, 347 U.S. 483 (1954), was a landmark decision of the U.S. Supreme Court ruling that U.S. state laws establishing racial segregation in public schools are unconstitutional, even if the segregated schools are otherwise equal in quality. The decision partially overruled the Court's 1896 decision Plessy v. Ferguson, which had held that racial segregation laws did not violate the U.S. Constitution as long as the facilities for each race were equal in quality, a doctrine that had come to be known as "separate but equal". The Court's unanimous decision in Brown, and its related cases, paved the way for integration and was a major victory of the civil rights movement, and a model for many future impact litigation cases.

The case originated in 1951 when the public school system in Topeka, Kansas, refused to enroll local black resident Oliver Brown's daughter at the school closest to their home, instead requiring her to ride a bus to a segregated black school farther away. The Browns and twelve other local black families in similar situations filed a class-action lawsuit in U.S. federal court against the Topeka Board of Education, alleging that its segregation policy was unconstitutional. A special three-judge court of the U.S. District Court for the District of Kansas heard the case and ruled against the Browns, relying on the precedent of Plessy and its "separate but equal" doctrine. The Browns, represented by NAACP chief counsel Thurgood Marshall, then appealed the ruling directly to the Supreme Court. (Full article...)

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