Professor Brian Cox - who seems to front much of the BBC's science content these days - gave a TV lecture just before Christmas which caused some ripples in the science world.
In a nutshell, he gave a simplified explanation of the Pauli Exclusion Principle for a layman audience.
Some people latched onto it and drew some pretty wild "pseudoscience" conclusions. That can't be helped...
Perhaps more interestingly, some respected physicists took issue with the explanation and a little skirmish ensued between the scientists.
In this Sixty Symbols video, we discuss the whole thing:
And here's some Test Tube bonus footage from the interviews above: