| ★ | Gavin Lu: Attacking Titan Cells in Therapy-Resistant Cancer | Brown University @brownuniversity | 107 | Estados Unidos | |
| 20 | Mars Exploration: Why Sending Women First is the Smart Move | Caroline Clark | TEDxWolverhampton | | 31.4K | Estados Unidos | 82 |
| 12 | Astrobiology & The Search for Life Beyond Earth | Nirmell Satthiyasilan | TEDxSeremban Youth | | 17.0K | Estados Unidos | 83 |
| 13 | The Immortal Jellyfish | Olivia Lu | TEDxDanube Intl School Vienna Youth | | 7.2K | Estados Unidos | 83 |
| 8 | "Which me is real me?" | Franciszek Frymus | TEDxSecond HS Szczecin Youth | | 3.3K | Estados Unidos | 84 |
| 4 | No Money, No Poverty? | Leisha Aswani | TEDxWahaha Schools Youth | | 2.1K | Estados Unidos | 85 |
| 17 | Roots Before Wings Why Your Future Starts By Your Roots | Reham Shaker Shaker | TEDxAzharUniversity | | 1.1K | Estados Unidos | 82 |
| 14 | Crabs and the power of decisions | Arav Nath | TEDxThe Orchid School | | 739 | Estados Unidos | 83 |
| 3 | Healthy migration, sustainable populations | Matt Wallace | TEDxUniversityofSalford | | 682 | Estados Unidos | 85 |
| 19 | Ecossistemas de Inovação | Liszeila Martingo | TEDxSão José do Rio Preto Women | | 375 | Estados Unidos | 82 |
| 7 | Devanney Haruta: The Meaning of Musical Instruments | Brown University @brownuniversity | 291 | Estados Unidos | 84 |
| 6 | Chandler Morris: Evolution of El Niño-Southern Oscillation | Brown University @brownuniversity | 214 | Estados Unidos | 85 |
| 15 | Economic Effects of the U.S's Declining Birth Rate | Eva Materese | TEDxSacred Heart Academy Youth | | 190 | Estados Unidos | 83 |
| 2 | Gene-ius: CRISPR-Mediated Immunotherapy | Owen Hawthorne | TED-Ed Student Talks @tededstudenttalks | 179 | — | 86 |
| 5 | Melanie Ortiz Alvarez de la Campa: Childhood Stress Shapes the Microbiome | Brown University @brownuniversity | 151 | Estados Unidos | 85 |
| 1 | Alice Xia: The Hidden Maps Behind Strategic Gossiping | Brown University @brownuniversity | 144 | Estados Unidos | 86 |
| 9 | Ανθεκτικά εντελβάις | Xeni Dimitriou | TEDxUniversityofCrete | | 114 | Estados Unidos | 84 |
| 16 | Ethics of Gene Editing | Irmak Ünal | TEDxWAB Youth | | 87 | Estados Unidos | 82 |
| 10 | Kimberly S. Meza: PIM-Pointing a TRAIL for Cancer Cures | Brown University @brownuniversity | 75 | Estados Unidos | 84 |
| 11 | Las mujeres podemos hacer el cambio, en la administración pública | Rocío Serrano Merchán | TEDxESAP | | 38 | Estados Unidos | 83 |
| 18 | El poder del click: Pedro Huichalaf at TEDxUTFSM | | 36 | Estados Unidos | 82 |