Previous Episode: Why do we cough?
Next Episode: Why do we blush?

Chris Smith answers YOUR questions with Pippa Hudson.... Why does temperature change food flavour? Does the full moon impact the human body? Why do car wheels move in reverse in films? Were early humans vegetarians? Can you produce electricity in a vacuum? Does Vitamin-C cure a cold? Do 5G networks affect health? Plus, celebrating 100 years of Arthur Eddington and the eclipse that made Einstein's laws of gravity famous. Like this podcast? Please help us by supporting the Naked Scientists