Finally! A shirt with an evolved sense of humor! Fans of biologist Stephen Jay Gould's will get/love this design.
For the rest of us, punctuated equilibrium is an evolutionary biology hypothesis that evolution is a process best characterized by fits and starts rather than gradual change over time.
Poorly-Punctuated Equilbrium T-Shirt is the perfect gift for biologists, science lovers, and grammarians alike.
We ship worldwide. Shipping to
your country is 20% off
Everything you buy is guaranteed. If you're
not completely happy, we'll give you a