This week we've been sequencing Lorianna's question: if babies have different genetic sequences from their mother, and are technically foreign objects in the womb, why doesn't the mother's immune system attack? Ziyad Yehia asked Dr Lucy Fairclough, an immunologist from Nottingham University to find out... Like this podcast? Please help us by supporting the Naked Scientists

This week we've been sequencing Lorianna's question: if babies have different genetic sequences from their mother, and are technically foreign objects in the womb, why doesn't the mother's immune system attack? Ziyad Yehia asked Dr Lucy Fairclough, an immunologist from Nottingham University to find out...

This week we tackle Allana's question: If we were to travel to gas giant Jupiter, would we sink to the core? Or float straight on through? Heather Douglas put this to Dr Marc Rayman from NASA's Jet Propulsion Lab to see if he could clear the air... Like this podcast? Please help us by supporting the Naked Scientists

This week we tackle Allana's question: If we were to travel to gas giant Jupiter, would we sink to the core? Or float straight on through? Heather Douglas put this to Dr Marc Rayman from NASA's Jet Propulsion Lab to see if he could clear the air...

How do black boxes work? When a plane crashes, there's always a huge search for the elusive 'black box' to solve the mystery. But what is this, and how does it work? Heather Douglas put this to David Barry, senior lecturer in aviation safety, from Cranfield University Like this podcast? Please help us by supporting the Naked Scientists

How do black boxes work? When a plane crashes, there's always a huge search for the elusive 'black box' to solve the mystery. But what is this, and how does it work? Heather Douglas put this to David Barry, senior lecturer in aviation safety, from Cranfield University

We put this question to Dr Pierre Lanchantin from the University of Cambridge... Like this podcast? Please help us by supporting the Naked Scientists

We put this question to Dr Pierre Lanchantin from the University of Cambridge...

Unripe pears are dry, yet ripe pears are juicy so how do they become moist? Philip Garsed put Dennis' question to plant scientist Sonja Dunbar, from Cambridge University... Like this podcast? Please help us by supporting the Naked Scientists

Unripe pears are dry, yet ripe pears are juicy so how do they become moist? Philip Garsed put Dennis' question to plant scientist Sonja Dunbar, from Cambridge University...