From furry felines to hard-working horses, animals have had a tremendous impact on world history. For example, rats, through the diseases they carry, have probably killed more people than any war or natural disaster, goats may have been the first to discover coffee and, thanks to camels, people were able to survive for long periods in the desert and open up trade routes between Europe and Asia. However, animals can also be destructive. Mosquitoes...

A guide to football that covers leagues, rules, the history of the sport, significant players and moments, the field, gear, and other related topics.