Which film dominates with their most realistic use of lasers? Like this podcast? Please help us by supporting the Naked Scientists

We find out if fermentation yeast survive in Space, we ponder if it is possible to brew up a beer at zero gravity, plus we ask which is the most realistic fictional laser weapon?..... Like this podcast? Please help us by supporting the Naked Scientists

A 57 year old male wonders - do I have any original parts? How much of the baby that was born in 1954 is still part of me? Plus we ask can you brew beer in space..... Like this podcast? Please help us by supporting the Naked Scientists

We're told to save electricity by switching off devices on standby. But if a home is heated solely by electricity, would there still be any savings by turning off all those devices? And a 57 male asks if any of his original parts remain..... Like this podcast? Please help us by supporting the Naked Scientists

This week I'll be getting inside your head.....with a question from Jarraryd Dunn. Plus we'll be asking is there any point in switching off your lights, TVs, and phone chargers during the winter?... Like this podcast? Please help us by supporting the Naked Scientists

With New Year's Resolutions in full swing here's a sweet thermal caramel quandary for us to sink our teeth into..... Like this podcast? Please help us by supporting the Naked Scientists

Can wearing sunglasses fool your senses into thinking there is less sun and increase your risk of getting sunburn? We take on this quandry and also wonder why cooking caramel causes temperature to increases in stages.... Like this podcast? Please help us by supporting the Naked Scientists

Why would your feet seem further away when lying down? We put our visual depth perception to the test to find out how being horizontal could change the way you see the world. Plus, we ask if wearing sunglasses increases your risk of getting sunburned? Like this podcast? Please help us by supporting the Naked Scientists

Fish reproduce by squirting out eggs and fertilising them, so where's the joy in that? Is there any form of pleasure that fish can experience through reproducing? We explore this fishy conundrum in Question of the Week. Plus, we ask why one's feet can sometimes look farther away than they ought to..... Like this podcast? Please help us by supporting the Naked Scientists

Why is it that the sound of nails being dragged down a blackboard makes every muscle tense and every nerve jangle? We tackle this teeth-grittingly uncomfortable problem in QotW. Plus, we ask whether fish experience extra benefits in laying eggs. Like this podcast? Please help us by supporting the Naked Scientists