![Chickenpox, Champion Jockeys and Light Speed - podcast episode cover](http://ichef.bbci.co.uk/images/ic/3000x3000/p0d8lrz7.jpg)
Episode description
Will Tingle and the Naked Scientist team present the latest science news, analysis and breakthroughs.
This week, the decision to give chickenpox vaccines to kids: what changed medics' minds? Also, spinal injuries, the building blocks of life and why the universe has a speed limit.
Get the podcast from the BBC Sounds app.