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11 epic mysteries scientists totally can’t solve - Vox
The 18 biggest unsolved mysteries in physics - Live Science
10 Unsolved Mysteries in Chemistry - Scientific American
Top 10 scientific mysteries for the 21st century - Science News
The Universe’s 7 biggest mysteries (and why they’re unsolved)
List of unsolved problems in physics - Wikipedia
Science Mysteries No One Has Figured Out - Reader's Digest
'Unsolved' Mysteries, Solved: 10 Times We Answered ... - HowStuffWorks
6 mysteries that scientists cracked in 2023 — and one they didn’t - CNN
10 mysteries that physics can't answer... yet - New Scientist
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