The unexpected discovery of a new type of genetic variation suggests that natural selection -- the force that drives evolution -- is both more powerful and more complex than scientists have thought.

An intriguing study involving walking stick insects shows how natural selection, the engine of evolution, can also impede the formation of new species. An intriguing study involving walking stick ...

Population genetics can be applied to investigate how natural selection has shaped the variability of innate immunity genes in the human population, providing an indispensable complement to ...

James Chen, CMT is an expert trader, investment adviser, and global market strategist. Thomas J. Brock is a CFA and CPA with more than 20 years of experience in various areas including investing, ...