主播大秀

Dr Chris Smith and the Naked Scientist team present the latest science news, analysis and breakthroughs.

In today鈥檚 programme: Why we might need to re-draw dinosaur faces: it turns out T Rex had lips - how did we miss that? Also, as the UK government moves to make laughing gas illegal we look at how it works and why they鈥檙e doing this.

Plus these days nothing seems to be repairable - it鈥檚 almost as if manufacturers don鈥檛 want you to fix a broken gadget and instead buy a new one. We find out why that might be.