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
Geordie TV star Ant McPartlin has been charged with drink driving
A bus driver has admitted causing death by careless driving after his single-decker surged across a road and killed a shopper.
As Ant McPartlin return to rehab, his co-host and best friend Declan Donnelly has announced he'll host Saturday Night Takeaway on his own.