Question Of The Week - From The Naked Scientists

Listener Jo asked: "Why is it so I can sit with a sudoku until I have no idea what to do next, so I leave it. When I go back to it later I always find new possibilities straight away." James Tytko spoke to Alejandro Lleras Like this podcast? Please help us by supporting the Naked Scientists

Listener David wrote this cosmic conumdrum into the Naked Scientists "How are black holes formed? And why are they often at the center of galaxies?" Otis Kingsman spoke to astrophysicist and author of the book "A Brief History of Black Holes", Dr Becky Smethurst... Like this podcast? Please help us by supporting the Naked Scientists

Listener Ed wrote to the Naked Scientists with this particular question. "Why is it recommended to drink cola after swimming in a river? And does it really reduce the risk of getting an upset stomach?" Otis Kingsman splashes around in the science of this river rumour with Dr John Tregoning from Imperial College London... Like this podcast? Please help us by supporting the Naked Scientists

Listener Kandi wrote into the Naked Scientists to explain the science behind this major medication method. "I have Hyponatremia as a result of a medication. How does a drug stop your body from using/absorbing the salt you consume?" Otis Kingsman spoke to Gerogetown University's professor of medicine, Joseph G Verbalis to find the answer... Like this podcast? Please help us by supporting the Naked Scientists

Listener Lara wrote into the Naked Scientists to ask "Is there a biological benefit for cats and dogs to bury their faeces? Can it help plants grow similar to horse manure?" Otis Kingsman spoke to the primary medical care director of the veterinary medicine company Linnaeus, Dr Simon Hayes, about this question on the fascinating function of faeces... Like this podcast? Please help us by supporting the Naked Scientists

Listener Neil wrote in looking for find the answer to this brain blaster. "Would an explosion on the moon be more powerful than on the surface of the earth?" Otis Kingsman spoke to University of Cambridge's public astronomer Matt Bothwell to make sense of this outer-space occurrence... Like this podcast? Please help us by supporting the Naked Scientists

Listener Josie asked us "Why can't I immediately open my fridge door after closing it? It feels like air pressure is keeping it closed. Is this the case?" James Tytko spoke to Cambridge University's Engineering Professor Vikram Deshpande about this fascinating fridge function... Like this podcast? Please help us by supporting the Naked Scientists

Listener Alaster wrote in to ask "The electricals in my car stopped working after it was transported from Cape Town to the UK. I think there was a fault in the scanner in Cape Town. My question is, how does a car scanner work? Can it damage the electrical components within cars?" Julia Ravey presented this troublesome transport problem to Roger Worrall from the security company Westminster Group PLC... Like this podcast? Please help us by supporting the Naked Scientists

Listener Mike presented this question to The Naked Scientists. "Does email and texting affect our brain's cognitive functions?" Otis Kingsman spoke to Dr Ravi Gajendran from Florida International University to help find the answer to this communication conundrum... Like this podcast? Please help us by supporting the Naked Scientists

Tim wanted to know "Why can't my partner smell certain strong odours when in the countryside? She can smell manure but is immune to smelling certain potent flowers and herbs." Otis Kingsman spoke to Professor Sandeep Roberta Datta from Harvard Medical School to find the aromatic answers to this question... Like this podcast? Please help us by supporting the Naked Scientists

Listener Mark wrote in to ask 'What happens to the potential energy of a compressed coil spring that is dissolved in acid?'. Otis Kingsman sprung to action in speaking with Dr Martin Buzza from the University of Hull to find the answer to this question. Like this podcast? Please help us by supporting the Naked Scientists

Linda wrote in to ask "Can the spinning of the earth generate electricity similar to the spinning of wind turbines?" Otis Kingsman spoke to Matthew Rooney from the Insitute of Mechanical Engineers to find the answer to this head-spinner... Like this podcast? Please help us by supporting the Naked Scientists

Listener Tibor wanted to know the answer to the question, "Does potential energy have any mass? If I was to charge a phone battery, would it become heavier?" Dr Israel Temprano from the Univserity of Cambridge explains to Otis Kingsman about this battery baffler... Like this podcast? Please help us by supporting the Naked Scientists

Listener Barry wants to know, 'What causes degredation in electric car batteries, and what are the upcoming developments in EV technology?' Chloe Coates from the University of Cambridge spoke to Evelyna Wang... Like this podcast? Please help us by supporting the Naked Scientists

Malcolm wrote in to ask "How can we identify a disease? When looking at a sample of chromosomes, what are scientists looking for to spot a diseased gene?". Otis Kingsman spoke to Jocelynn Pearl from the Lady Scientist Podcast to solve this mutation mystery... Like this podcast? Please help us by supporting the Naked Scientists

Ranjit wrote in to ask this, "As gravity and time have an inverse relationship, at some time in the future, will astronauts bring back moon rocks that are older than the Earth?" James Tytko spoke to King College London's, Professor Ruth Gregory to help us find the answer to this lunar mystery... Like this podcast? Please help us by supporting the Naked Scientists

Mariam has been itching to find an answer to the question of "When I scratch an itch, the itch seems to move around my body. And I want to know why this is." Dr Yvonne Couch from the Radcliffe Department of Medicine spoke to Otis Kingsman... Like this podcast? Please help us by supporting the Naked Scientists

Fiona wrote in to ask "Why do I hear voices in my head when I'm thinking? And can this voice be influenced by accents?" In order to find answers, James Tytko reached out to Helene Loevenbruck from Grenoble Alpes University to rattle our brains... Like this podcast? Please help us by supporting the Naked Scientists

Listener Sal wanted to know the answer to the question 'Is the behaviour of school students affected by moon phases?' Otis Kingsman found 'Teresa Pavia', neurologist and the clinical director of the Sleep Medicine Centre in Lisbon, to give us a lesson on if and how the moon can impact our behaviour... Like this podcast? Please help us by supporting the Naked Scientists

Daniel wrote into The Naked Scientists with the question of 'How do they stop the mirror on the Hubble telescope from getting dirty?' Otis Kingsman spoke to Sarah Kendrew from the European Space Agency to clear up the answers to this question. Like this podcast? Please help us by supporting the Naked Scientists