How were our stone age ancestors able to watch their own movies? Archaeologist Andy Needham joins us this week to tell us exactly why.

We answer your questions on What is a turtle shell made of? And why are diamonds unbreakable?

And we are joined by Professor Hallux and Nurse Nanobot, this week its all about your ears!

An ancient croc is the topic of Dangerous Dan and we hear news of red squirrel babies and a map of the seabed this week!

Of course we are also joined by the smarted school in the universe, Deep Space High, where Pulsar teaches us all about Radioactive dating! 

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