Study shows the microRNA miR-19 helps budding adult brain cells stay on track - A small stretch of ribonucleic acid called microRNA could make the difference between a healthy adult brain and one that’s prone to disorders including schizophrenia. Scientists at the Salk Institute discovered that miR-19 guides the placement of new neurons in the adult brain, and the … [Read more...] about Small molecule keeps new adult neurons from straying, may be tied to schizophrenia
Criminalistics
Scientists find clue to why Mitochondrial DNA comes only from Mom
Scientists have found a clue to why one type of DNA is passed down to children by their mothers — but not their fathers. DNA inside energy-producing organelles called mitochondria is destroyed in a dad’s sperm shortly after it fertilizes an egg, researchers report online June 23 inScience. A protein called CPS-6 cuts apart the mitochondrial DNA in the male sperm so that the … [Read more...] about Scientists find clue to why Mitochondrial DNA comes only from Mom
Difference between Criminology and Criminalistics
Criminology and Criminalistics are both centered in law enforcement. However, criminology explores the nature of crime and prevention, while criminalistics involves the collection and analysis of evidence. Criminology is the study of crime and its prevention, as well as the exploration of criminals and their treatment. Criminology students study the criminal justice system … [Read more...] about Difference between Criminology and Criminalistics
Francis Galton and Fingerprints
Although Galton was not the first to propose the use of fingerprints for identification (Sir William Herschel had used them in India for this purpose) he was the first to place their study on a scientific basis and so lay the groundwork for their use in criminal cases. He was able to collect a large sample of prints through his Anthropological laboratories, eventually … [Read more...] about Francis Galton and Fingerprints
Cognitive Interview Steps
The Cognitive Interview was developed after investigators were challenged in court for using forensic hypnosis due to issues pertaining to suggestibility. Forensic Hypnosis does not pass the "Frye Test" as established by case law. As an alternative, psychologists created the Cognitive Interview as a Memory Enhancement Tool for investigative interviewing. Let's review the … [Read more...] about Cognitive Interview Steps
