EasyScience
"I am your identity written on every surface you touch. No two of me are alike in the entire world. I have been used to catch criminals and identify the dead. What am I?"
Answer
A Fingerprint
Explanation
Fingerprints — the patterns of ridges on fingertips — are unique to each individual, including identical twins. They are left on almost every surface touched. Fingerprint analysis has been used in forensic identification since the late 19th century.
This is an easy riddle in the Science category — Riddles about physics, space, biology and the laws of the universe.
Tags:classicsciencebody
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