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Ancient people learned about magnetism from lodestones (or magnetite) which are naturally magnetized pieces of iron ore.The word magnet was adopted in Middle English from Latin magnetum "lodestone", ultimately from Greek μαγνῆτις [λίθος] (magnētis [lithos]) [1] meaning "[stone] from Magnesia", [2] a place in Anatolia where lodestones were found (today Manisa in modern-day Turkey).
Forensic geology is the study of evidence relating to materials found in the Earth used to answer questions raised by the legal system. In 1975, Ray Murray and fellow Rutgers University professor John Tedrow published Forensic Geology. [1] The main use of forensic geology as it is applied today is regarding trace evidence.
Physical and chemical properties [ edit ] Carbon monoxide is the simplest oxocarbon and is isoelectronic with other triply-bonded diatomic species possessing 10 valence electrons, including the cyanide anion, the nitrosonium cation, boron monofluoride and molecular nitrogen .
Paul Leland Kirk (May 9, 1902 – June 5, 1970) [1] [2] was a biochemist, criminalist and participant in the Manhattan Project who was specialized in microscopy.He also investigated the bedroom in which Sam Sheppard supposedly murdered his wife and provided the key blood spatter evidence that led to his acquittal in a retrial over 12 years after the murder.
Forensic entomology is a branch of forensic science that uses insects found on corpses to help solve criminal cases. This includes studying the types of insects commonly found on cadavers , their life cycles, their presence in different environments, and how insect assemblages change with decomposition .
A routine semen analysis should include: physical characteristics of semen (color, odor, pH, viscosity and liquefaction), volume, concentration, morphology and sperm motility and progression. To provide a correct result it is necessary to perform at least two, preferably three, separate seminal analyses with an interval between them of seven ...
He has worked on famous cases such as the JonBenét Ramsey murder case, the Helle Crafts wood chipper murder (the first murder conviction in Connecticut without the victim's body, [8]) the O. J. Simpson and Laci Peterson cases, the 9/11 forensic investigation, the Washington, DC sniper shootings and reinvestigated the assassination of John F. Kennedy.
A Bertillon record for Francis Galton, from a visit to Bertillon's laboratory in 1893. The history of anthropometry includes and spans various concepts, both scientific and pseudoscientific, such as craniometry, paleoanthropology, biological anthropology, phrenology, physiognomy, forensics, criminology, phylogeography, human origins, and cranio-facial description, as well as correlations ...