- Scientists study the brain of mice every single day.
- They look at many small signals in the brain.
- Special lights help researchers see the signals.
- Pictures show when and where signals change.
- Signals move around inside the brain daily.
- When mice wake, signals start deep inside.
- Later the signals move toward the brain surface.
- The team wants to find signs of tiredness.
- Such signs could help safety in jobs.
- The groups share tools and ideas across countries.
Difficult words
- signal — a small change that gives informationSignals
- researcher — a person who studies or tests thingsresearchers
- surface — the outside part or top of something
- tiredness — the state of feeling very low energy
- safety — the state of being free from danger
- share — to give or use something with others
Tip: hover, focus or tap highlighted words in the article to see quick definitions while you read or listen.
Discussion questions
- Have you ever seen pictures of a brain?
- Would signs of tiredness help at work?
- Do you like science?
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