Thus, we have three principles for increasing adequacy of data: if you must work with a single object, look for imperfections that record historical descent; if several objects are available, try to render them as stages of a single historical process; if processes can be directly observed, sum up their effects through time. One may discuss these principles directly or recognize the 'little problems' that Darwin used to exemplify them: orchids, coral reefs, and worms-the middle book, the first, and the last.

Organisms [...] are directed and limited by their past. They must remain imperfect in their form and function, and to that extent unpredictable since they are …

A complete theory of evolution must acknowledge a balance between 'external' forces of environment imposing selection for local adaptation and 'internal' force…

Our failure to discern a universal good does not record any lack of insight or ingenuity, but merely demonstrates that nature contains no moral messages framed…

If your result needs a statistician then you should design a better experiment.

History, like a vast river, propels logs, vegetation, rafts, and debris; it is full of live and dead things, some destined for resurrection; it mingles many wa…

I am acutely aware of the fact that the marriage between mathematics and physics, which was so enormously fruitful in past centuries, has recently ended in div…