Catalyst: Recycled asphalt

“Catalyst” looks at how recycled asphalt can keep our landfills cleaner and our roads smoother.

In this segment:

Kamil Kaloush, School of Sustainable Engineering and the Built Environment

Professor T (UK version)

Detective Sergeant Lisa Donckers and Professor T

Professor Jasper Tempest is obsessed with cleanliness, structure and order. But his genius for solving crimes means he constantly has to get his hands dirty, helping the police to crack their most difficult cases.

Icon: Music Through the Lens "On the Cover"

Journalists, musicians and publicists discuss the enduring appeal and importance of the printed page, with music photographers who shot many of the most iconic front covers telling some touching, scandalous and never-heard-before stories about these images.

Summer fun 2021: Beat the heat at indoor playgrounds

When temperatures rise this summer, stay active with these indoor, kid-friendly activities.