The Hardest Problem Evolution Ever Solved

Hank Green July 9, 2025
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Mathias Ball is one of my favorite illustrators and he designed my shirt: https://store.dftba.com/products/we-never-left-the-water-shirt It's really hard for me not to title this video "You are just a weird hairy fish" and, who knows...maybe that's the right choice. We shall see... Here's more of Matthias's work! https://www.mathiasball.com/ Fact Check by Deboki Chakravarti Edited by Digital Gator: https://www.youtube.com/@DigitalGator SOURCES: https://www.scientificamerican.com/article/how-a-380-million-year-old-fish-gave-us-fingers/ https://pmc.ncbi.nlm.nih.gov/articles/PMC3610043/ https://www.nature.com/articles/eye1999114 https://www.sciencedirect.com/science/article/pii/S0960982299801808 https://www.pnas.org/doi/10.1073/pnas.2220404120 https://www.sciencedirect.com/science/article/pii/S0888754320320061?via%3Dihub#s0070 https://pmc.ncbi.nlm.nih.gov/articles/PMC9323002/#s3 https://www.tmd.ac.jp/english/press-release/20210515-1/ https://www.nature.com/articles/s41421-022-00393-3 https://comparativephys.ca/bernierlab/wp-content/uploads/sites/4/2014/11/1433.pdf https://edis.ifas.ufl.edu/publication/FA212 How Evolution Cracked Land