About this video
This video talks about how scientists use clues to solve crimes. It explains some old methods that weren't very accurate and shows us how DNA testing is much better.
🧠 Quiz & Trivia
Test your knowledge after watching!
Q1 What was used as evidence in crime scenes before DNA?
Answer: Hair
Q2 What animal's hair can sometimes be mistaken for human hair?
Answer: Dog
Q3 What year did the FBI stop using microscopic hair analysis alone to solve crimes?
Answer: 1999
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