The peppered moth as it looked before the Industrial Revolution and also now that clean-air laws have improved pollution in the United Kingdom. (Olaf Leillinger via Wikipedia) (CN) – Moths that have ...

Scientists have revisited - and confirmed - one of the most famous textbook examples of evolution in action. They showed that differences in the survival of pale and dark forms of the peppered moth ...

Open almost any textbook dealing with biological evolution and you’ll probably find photographs of peppered moths resting on tree trunks—illustrating the classic story of natural selection in action.