Weight loss jabs, COP29, and Brainy birds

5 Live Science Podcast - A podcast by BBC Radio 5 Live - Sundays

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 obesity crisis.