Explore 2 curated forensic science facts on ScienceCards. Discover surprising, well-sourced science one card at a time.
When fired, a gun barrel leaves unique tiny scratches on a… — When fired, a gun barrel leaves unique tiny scratches on a bullet—like a fingerprint. Forensic ballistics uses these marks to reliably link bullets to guns, providing objective evidence in crime…
Every person’s DNA is unique (except twins). — Every person’s DNA is unique (except twins). Forensic scientists use tiny samples like blood, hair, or even skin cells for evidence. Scientific techniques like Polymerase Chain Reaction and…