| ★ |  This Metal Won’t Sink | | 17.3M | — | |
| 7 |  How to Stop This Dangerous Asteroid | | — | — | 92 |
| 11 |  There's Something Alive in Earth's Crust... | | — | — | 92 |
| 14 |  Could You Fly Through the Asteroid Belt? | | — | — | 91 |
| 18 |  Why Are These Mysterious Tubes on Mars? | | 10.2M | — | 91 |
| 6 |  What's Hidden Under This Mountain? | | 9.2M | — | 92 |
| 15 |  Viruses Are Waking Up in Space | | 8.9M | — | 91 |
| 1 |  This Plane Cured My Fear of Flying | | 8.5M | — | 94 |
| 3 |  The Deadliest Ocean Crossing Actually Protects You | | 8.4M | — | 93 |
| 2 |  Is It Aliens? How NASA Would Confirm | | 6.4M | — | 94 |
| 8 |  This Is The Largest Chunk Of Mars On Earth | | 5.3M | — | 92 |
| 12 |  Our Brains Got Bigger. Now They’re Shrinking? | | 4.9M | — | 91 |
| 4 |  This Giant Machine Helps Find Aliens | | 3.2M | — | 93 |
| 16 |  We Should Get Ready for A Big Solar Storm | | 3.1M | — | 91 |
| 10 |  The Sahara Desert Fertilizes the Amazon Rainforest | | 2.8M | — | 92 |
| 19 |  Why Do All Snowflakes Have 6 Sides? | | 2.3M | — | 91 |
| 20 |  They're Doing Brain Surgery on Monarch Butterflies | | 1.5M | — | 91 |
| 13 |  This New Tool Might Save Your Life | | 1.1M | — | 91 |
| 17 |  What's Hidden Under This Stadium? | | 843.4K | — | 91 |
| 9 |  This Olympic Mystery Could Help Us Find Aliens | | 841.4K | — | 92 |
| 5 |  How Does A Privacy Screen Actually Work? | | 649.7K | — | 93 |