Filed under: deep time, evolution, Hot Earth Dreams | Tags: deep time, evolution, Hot Earth Dreams
I’m not following the primary journals as much as I used to, so this pop-science article in Quanta on the rate of evolution caught my attention. It claims, apparently on the grounds of several different lines of evidence, that rates of mutation and evolution appear to run faster at short time scales than long time scales. In other words, there’s more genetic and morphological variation over short time spans than over long ones.
Paradoxical? Not quite. Useful? Very. Continue reading