Top 10 Biggest Scientific Discoveries of 2021

These scientific discoveries will shape the world for years to come. For this list, we’ll be looking at the most fascinating and significant things that scientists learned about the world in 2021. Our countdown includes The Maximum Human Lifespan, Complex Thoughts Mirror Fractals, New Organic Molecules on Mars, and more! What recent scientific discovery excites you? Tell us in the comments.

Watch more great science videos here:
Top 10 Things We Wish Science Would Figure Out: https://youtu.be/t4Rw0xLNz-Y
Top 10 Biggest Scientific Discoveries of 2020: https://youtu.be/2WxR_2-faYY
Top 20 Biggest Scientific Discoveries of the Decade: https://youtu.be/tIvtkMRFj-Q

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