Ever wondered how Beowulf sounded? Why 'pickleherring' was one of Johnson's choice insults? Explore the ten ages of English in this interactive timeline and find out.

Scientists have helped to construct a detailed timeline for bacterial evolution, suggesting some bacteria used oxygen long before evolving the ability to produce it through photosynthesis.

Yet, Darwin's revolution -- perhaps the greatest in the history of science -- inspired a counter-revolution that continues today. "Evolution Revolution" is a timeline charting both the rise of ...