Top 23 Most Groundbreaking Scientific Discoveries of Each Year (2000 - 2022)

These discoveries changed the world! For this list, we’ll be looking at the most groundbreaking discoveries in various scientific fields from each year of the 21st century so far. Our countdown includes The Age of the Universe, Mars Surface Shows Signs of Water, Tracking Down the Higgs boson, Evidence of Planet Nine, CRISPR Gene Editing Treats Genetic Disease, and more! Which of these gives you the most hope for the future? Let us know in the comments!

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