Nobody Knows

Nobody knows how Greek Fire was made. Nobody quite knows the recipe for Roman concrete, or the process for Damascus steel; nobody knows the smell of silphium. There are countless examples of past knowledge lost to time. It might be reassuring to think that knowledge builds on knowledge – that […]

Punctuated Equilibrium

Punctuated Equilibrium is the theory, proposed and popularized by Stephen Jay Gould, that evolutionary change isn’t gradual, but instead has long periods of stability interspersed with rapid change. It is not the only theory to describe evolutionary change, but it is a persuasive one, and one that rings true when […]