Your fingerprints are like special snowflakes, no two people have the same ones. They're made of tiny lines on your fingers that help you grab things and also let scientists know who you are.
Examples
- Your finger ridges help you hold your phone
- You can identify a friend by their fingerprint
- Fingerprint patterns are like tiny personal codes
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See also
- How Do Birds Migrate So Far?
- What Causes Hiccups?
- How Can a Single Seed Grow into a Tree?
- Why Do People Have Different Shapes of Faces?
- Why Do We Blink?