The immediate steps at a crime location are paramount to preserving evidence. Criminal science offers a range of procedures to analyze tangible fragments and piece together what occurred. From cellular analysis to firearms examinations, and fingerprint identification, each area fulfills a specific function in the effort for clarity. Effectively … Read More


Before current methods for element arrangement, scientists faced challenges in the known elements. One early attempt was made by Johann Wolfgang Döbereiner, a German chemist who recognized a striking pattern among certain groups of chemicals. He proposed that three elements with similar properties could be grouped together as a triad, forming th… Read More