Egyptian strongman Ashraf Mahrous recently pulled two ships totalling 1,150 tonnes with his teeth, setting his sights on the Guinness World Record. Inspired by this story, this week we’re tackling the science of all things strong.

First, we find out about new research that could keep our muscles strong as we age. Next up, we discover why graphene is so strong and how it could help improve data storage.

We're then joined down the line by Dr Matt Caplan, an astrophysicist from Illinois State University, who tells us about his search for a weird substance called ‘nuclear pasta’. And no, you won’t find it in your local Italian restaurant.

Plus, find out how robo-exoskeletons can help you climb hills and why Ernest Shackleton’s Endurance was weaker than expected.

Presenter: Marnie Chesterton, with Kai Kupferschmidt and Andrada Fiscutean