https://en.wikipedia.org/wiki/Siegel_zero
https://en.wikipedia.org/wiki/Fermi%E2%80%93Dirac_statistics
https://en.wikipedia.org/wiki/Poincar%C3%A9_conjecture
https://en.wikipedia.org/wiki/Regular_polygon
https://en.wikipedia.org/wiki/Squaring_the_circle
https://en.wikipedia.org/wiki/Chaos_theory
https://en.wikipedia.org/wiki/Tau_(particle)
https://en.wikipedia.org//wiki/The_Ghost_in_the_Machine
https://en.wikipedia.org/wiki/Cognitive_revolution
https://commons.trincoll.edu/macecourses/james-consciousness-of-self/