evolutionary theory

Should we be surprised if Neandertals, Denisovans, and modern humans didn’t form stable hybrid zones?

A geneticist asks why we don't see more persisting hybrid populations, and I find an answer in the theory of population source-sink dynamics.

Aug 2, 2016 •

Why do some invasive species start to succeed only after a delay?

Reviewing a body of evolutionary theory that tries to understand the ultimate success of some invasions after a lag.

Aug 13, 2010 •

Did Neandertals evolve in a population sink?

The dynamics of adaptation in shrinking populations may help understand how many ancient populations evolved.

Mar 21, 2009 •

The legend of Henry Ford's kingpins in evolutionary biology

Looking critically at a story used to illustrate the process of natural selection.

Aug 11, 2005 •

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