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FIFA have long trumpeted the World Cup trophy as being made of solid gold...but that claim has been cast into doubt.
Professor Martyn Poliakoff of Nottingham University calculated back in 2010 that the trophy could not possibly be made of gold all the way through.
It's more of an Easter egg, than a Yorkie essentially.
World Cup would be too heavy to lift if made of solid gold
As relayed by BBC Sport, Poliakoff said: "Gold is very heavy, it's one of the densest metals that there is.
"According to my calculations, if it was solid all the way through, it would have somewhere between 70 and 80kg of gold in it."
That translates to 154lb or 11 stone, in old money - way too much to be lifted by a single person without tremendous difficulty.
Poliakoff believes, quite intuitively, that the more likely situation is that when FIFA say 'solid gold', they mean that there is nothing but gold in the main body of the trophy - but not that it is 'solid' in the sense of being gold all the way through.
The professor believes that the globe at the top of the trophy, at the very least, is hollow.
Otherwise, Poliakoff says, "I don't think that it would be light enough for people to wave above their heads, and also it would be a big waste of gold."
The current World Cup trophy has been in use since 1974, when it replaced the old Jules Rimet trophy that England fans will recognise from that iconic photo of Bobby Moore at Wembley.
World Cup winners do not actually take home the official trophy with them after lifting it immediately following the final, but are instead given a replica.
Argentina will be hoping to earn themselves another copy this summer.
