Dr Chris Smith and the Naked Scientist team with the latest science news stories. This week: Will we be able to take a holiday abroad this year as the covid pandemic continues? Also can seeing a sick person improve our immune system? And the latest on sending glow in the dark squid out into space.
Plus a special look at the science of the sun, and what our closest star means to us as a species.
Podden och tillhörande omslagsbild på den här sidan tillhör BBC Radio 5 Live. Innehållet i podden är skapat av BBC Radio 5 Live och inte av, eller tillsammans med, Poddtoppen.
