It's often been thought that a full moon brings out the lunatics.
And if that's the case, police and emergency crews could be in for a big 48 hours with the biggest moon in 70 years due this week.
But is there actually a link between a full moon and increased crime?
"Absolutely not, unfortunately," Dr Geoff Sheldon told Ross and John after examining eight years of police data.
"It's something we've all believed for many years."
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