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A method for nitrogen fixation was first described by Henry Cavendish in 1784 using electric arcs reacting nitrogen and oxygen in air. This method was implemented in the Birkeland–Eyde process of 1903. [73] The fixation of nitrogen by lightning is a very similar natural occurring process.
Victim of unsolved homicide The murder of Betsy Aardsma is an American murder case dating from November 1969, in which a 22-year-old graduate student was murdered by a single stab wound inside the Pattee Library at the Pennsylvania State University (Penn State) in University Park , Pennsylvania .
Abiological nitrogen fixation describes chemical processes that fix (react with) N 2, usually with the goal of generating ammonia. The dominant technology for abiological nitrogen fixation is the Haber process, which uses iron-based heterogeneous catalysts and H 2 to convert N 2 to NH 3. This article focuses on homogeneous (soluble) catalysts ...
America's Most Wanted Until 2021, Robert William Fisher was one of the FBI’s 10 most wanted fugitives. On April 10, 2001, Fisher allegedly murdered his wife and two children.
The Skeleton Crew: How Amateur Sleuths Are Solving America's Cold Cases. Cambridge: Cambridge University Press. ISBN 978-1-107-04145-5. Katz, Hélèna (2010). Cold Cases: Famous Unsolved Mysteries, Crimes, and Disappearances in America. Santa Barbara: Greenwood Publishing Group. ISBN 978-0-313-37692-4. Pettem, Silvia (2017).
The series used re-enactments and interviews with key persons to reveal the incidents of real mysteries that at that time were unsolved. (Episode information: season 12, episode 46; titled: "Wanted: Michael Alfonso"; originally aired on October 1, 2001.) [ 16 ] [ 17 ] [ 18 ]
Cold Cases: Famous Unsolved Mysteries, Crimes, and Disappearances in America. Santa Barbara: Greenwood Publishing Group. ISBN 978-0-313-37692-4. Newton, Michael (2004). The Encyclopedia of Unsolved Crimes. New York City: Checkmark Books. ISBN 0-816-04980-7. Thompson, Emily G. (2018). Unsolved Child Murders: Eighteen American Cases, 1956–1998.
The Mineral, Washington murders, dubbed by the media as "the Tube Sock Killings," is a series of unsolved murders that occurred in remote areas of Lewis and Pierce County, Washington, near the remote community of Mineral, Washington, in 1985. The murder cases were widely publicized, and were featured on the television series Unsolved Mysteries ...