Dr Chris Smith and the Naked Scientist team present the latest science news. Including a look at what is at stake at this year's UN Climate Summit, and the 80 million year old fossil revealing how birds developed their big brains. Plus, an in-depth look at whether weight loss jabs could solve the...

Dr Chris Smith and the Naked Scientist team look at the latest science news. Including an enormous black hole defying our existing laws of physics, and what DNA analysis is revealing about the inhabitants of Pompeii. Plus, an in-depth look at whether smartphones can harm children's' development.