Since its debut in 1972, punctuated equilibrium (PE) has been both a source of controversy and a catalyst for new thinking in evolutionary biology. Proposed by Stephen Jay Gould and N iles Eldredge, PE argued that most species spend long periods in morphological stasis, only to undergo rapid bursts of change during spe…
When we imagine evolution, we often picture it unfolding at a leisurely, predictable pace, small changes stacking up over time like bricks in a wall. That’s the traditional view: gradualism, the slow grind of nature perfecting its handiwork. But what if evolution doesn’t always play by those rules? What if nature has a…
When we think about evolution, we usually imagine something like survival of the fittest, organisms scrabbling to adapt to harsh environments, with only the strongest traits passing on to the next generation. But what if much of the story wasn’t written in the open battlefields of nature, but quietly, deep inside the w…