Hair: Microscopic Analysis

The document discussed the microscopic analysis of hair, emphasizing its significance in forensic science. It highlighted that humans lose 100-150 scalp hairs daily, making hair a common piece of evidence at crime scenes. The study explained that human and nonhuman hairs are distinguishable under a microscope, allowing for the identification of the species and sometimes the individual. The variability of human hair within and between individuals was noted as a challenge for forensic examiners. The article also covered the integration of microscopic examination with DNA testing and evaluated the reliability of hair as forensic evidence.