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Scientists Reveal The Strange Neurological Reason Your Pupils Dilate When You're Surprised - ScienceAlert

Published by ScienceAlert By Russell McLendon · 23 August 2026 at 13:01
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Scientists Reveal The Strange Neurological Reason Your Pupils Dilate When You're Surprised - ScienceAlert
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What the report says

Your pupils quickly dilate when you enter a dark room, letting in more light to help you see.

Read the full report at ScienceAlert →

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