Over the past 500 million years, nearly all evolutionary changes in octopuses and squids occurred in rapid bursts during the emergence of new species, according to research from the University of ...

The concept of punctuated equilibrium was, to some, a radical new idea when it was first proposed by Stephen Jay Gould and Niles Eldredge in 1972. Now it is widely recognized as a useful model for one ...

History is often shaped by moments of profound change—inflection points that redefine what’s possible, much like cosmic asteroids that strike the planet and alter the course of evolution. Today, we ...

"Originally published as the central chapter of Gould's masterwork, The structure of evolutionary theory"--P. [4] of cover. https://siris-libraries.si.edu/ipac20/ipac ...

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