Slideshow · Science
23 Scientific Discoveries That Made Headlines Around the World
Which breakthrough discoveries captured headlines and changed our world?
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⏱10 Min Read◫24 Slides
23 Scientific Breakthroughs That Changed Our World 
23. Rediscovery Of The Coelacanth Living Fossil 
22. Mapping The Ocean Floor And Plate Tectonics 
21. Discovery Of Pulsars By Jocelyn Bell Burnell - AdvertisementSwipe or tap ▶ to continue countdown
20. Detection Of The Antarctic Ozone Hole 
19. Discovery Of Nuclear Fission 
18. Unearthing The Lucy Hominin Fossil 
17. The Trappist-1 Seven Exoplanet System - AdvertisementSwipe or tap ▶ to continue countdown
16. First Exoplanet Orbiting A Sun-Like Star 
15. Eddington 1919 Solar Eclipse Experiment 
14. Edwin Hubble And The Expanding Universe 
13. Jonas Salk And The Inactivated Polio Vaccine - AdvertisementSwipe or tap ▶ to continue countdown
12. Wilhelm Rontgen Discovers X-Rays 
11. Marie And Pierre Curie Isolate Radium 
10. Cloning Dolly The Sheep 
9. NASA Confirms Water Ice On Mars - AdvertisementSwipe or tap ▶ to continue countdown
8. Discovery Of The Cosmic Microwave Background 
7. CRISPR-Cas9 Precision Gene Editing 
6. Completion Of The Human Genome Project 
5. Double Helix Molecular Structure Of DNA - AdvertisementSwipe or tap ▶ to continue countdown
4. Alexander Fleming Discovers Penicillin 
3. Direct Detection Of Gravitational Waves 
2. Observation Of The Higgs Boson At CERN 
1. First Direct Image Of A Supermassive Black Hole - Advertisement🔥 UP NEXT IN THIS SERIES◫ 16 Slides
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Throughout modern history, sudden scientific discoveries have captured the global imagination and fundamentally altered humanity understanding of reality. From deep space mysteries to genetic code, these 23 landmark discoveries dominated international headlines and changed science forever.
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©NASA / STScI
