Why do Guinness bubbles go downwards?

What happens to helium balloons that float away? Are satellites safe from terrorist attacks? Why does the truth hurt? Why does some poo float after flushing? Are there any treatments for tinnitus? Do headphones contribute to tinnitus? What are restless legs? What is the best way to regulate cortisol levels?…

Why does La Nina cause more rainfall in South Africa? How can we keep our skin moist without buying products? Is it possible to be averse to iron in your diet? What causes hot flushes during the menopause? What could cause a potential iron taste in my mouth? Like this…

It's another jam-packed episode of Ask the Naked Scientist, illuminating listener questions - in all their usual, rich variety - with fascinating scientific explanations. What do we know about the latest interstellar objects to pass through our Solar System? Is having a great memory all upside? Why does eating pineapple…

In this episode of Ask the Naked Scientist: is it possible to teleport atoms? Does garlic repel mosquitoes? What is vaginal thrush? Like this podcast? Please help us by supporting the Naked Scientists

In today's episode of Ask! Dr Chris answers: why do some people attract more mosquitoes than others? Is there a link between sweating and sour tastes? What causes nasal polyps to form in the nose? Is Covid still around? Like this podcast? Please help us by supporting the Naked Scientists