Chris Smith covers another cast of interesting queries submitted by listeners. They...

James Tytko asked Toby Wiseman, professor of theoretical physics at Imperial College...

Linguistics - the scientific study of language - is our topic for today. Chris Smith...

In the news pod, the nanotechnology enabling the production of a new vaccine to...

Dr Chris takes on listener questions: how long can someone survive without food and...

Jimmie sends in this week's question, seeking an answer as to why plastic loses its...