A new study theorizes that evolution ticks at different speeds, especially when a big group of organisms first appears.
Human evolution is often told as a tidy story of adaptation, yet some of our most familiar body parts still defy straightforward explanation. From the jut of the human chin to the curve of the outer ...
A review examines the prevailing theory of cancer evolution. The authors highlight both practical and theoretical limitations of the clonal model of cancer evolution and propose areas for improving ...