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Chemistry

How Chemiluminescence Is Used in Forensic Bloodstain Detection

Quick fact

Luminol can detect blood diluted up to 1 in 10,000, meaning a single drop of blood in a large swimming pool could still be found.

Why this is interesting

Ever wonder how detective shows find invisible bloodstains? The answer isn't a magic wand—it's a chemical reaction that makes blood glow in the dark.