A team of scientists have taken to the streets of the Newcastle to promote "Street Science".
It's part of the British Science Festival which is taking place on Tyneside this week.
More top news
Nigel Farage's former deputy Mr Nuttall says he's the only candidate who can rebuild and unify the party.
The 27-year-old was stabbed in Arthur's Hill, Newcastle on Monday and later died in hospital.
Newcastle get three points from the match and now three points clear at the top.