Hurling has gone electric, while football still thrums away on a banjo

Monkeys, it turns out, have a highly developed understanding of the concept of fairness, writes Tommy Martin.

In one study, scientists trained capuchin monkeys to hand over a pebble in exchange for a slice of cucumber.

When one monkey was instead given a grape (capuchin monkeys love grapes, apparently) the rest went berserk, hopping up and down and chucking their slices of cucumber at the boffins, preferring to go hungry rather than partake in this fiasco.