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| 2 |  There's Something Alive in Earth's Crust... | | — | — | 92 |
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| 17 |  How to Stop This Dangerous Asteroid | | — | — | 89 |
| 18 |  New Medical Treatment Saved This Little Boy’s Life | | — | — | 89 |
| 8 |  This Metal Won’t Sink | | 17.3M | — | 91 |
| 16 |  What's Hidden Under This Mountain? | | 9.2M | — | 90 |
| 9 |  Viruses Are Waking Up in Space | | 8.9M | — | 91 |
| 11 |  This Plane Cured My Fear of Flying | | 8.5M | — | 90 |
| 13 |  The Deadliest Ocean Crossing Actually Protects You | | 8.4M | — | 90 |
| 14 |  Which Animal is the Most Efficient Traveler? | | 7.9M | — | 90 |
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| 3 |  Is It Aliens? How NASA Would Confirm | | 6.4M | — | 92 |
| 10 |  This Is The Largest Chunk Of Mars On Earth | | 5.3M | — | 91 |
| 19 |  What's Inside This Tiny Laundry Tile? | | 5.0M | — | 89 |
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| 15 |  We Should Get Ready for A Big Solar Storm | | 3.1M | — | 90 |
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