Ask the Naked Scientists, South Africa 14.01.24 - Would a swimmer hit by lightning be fried?

Summary: What's the difference between GM technology and cloning? If lightning hits a swimming pool, would a swimmer be fried? What happens when we get used to smells? Why does beetroot make urine red? Why do I stick out my tongue to concentrate? Where does the water in comets come from? What are the products of fuel combustion?