Question of the Week, from the Naked Scientists

This week we hone our noses and sniff out the answer to this stinker of a question...."Why do toenails, and even feet in general, smell cheesy? Plus we ask can we make a magnet so strong that is squashes, rather thanks sticks to, our white goods? Like this podcast? Please help us by supporting the Naked Scientists

Vinny asked us: "I have read mosquitos have a preference for blood type and prefer people with Type O blood over those with Type B, or prefer Type B over Type A. Is this true, and how do they know the difference between types?" To seek out an answer to this one, Adam Murphy got in touch with Immo Hansen, from New Mexico State University to find out... Like this podcast? Please help us by supporting the Naked Scientists

We find out if you can escape detection at a crime scene by using clever gene therapy techniques. Plus we ask, does applying ice to an injury actually help? And if so, how? Like this podcast? Please help us by supporting the Naked Scientists

If you've been to a whale acrobatics display at a tourist centre, you probably noticed some very loud music being played. But does it actually annoy the whales? Plus, we ask how much petrol is the optimum amount to fill the car with each time you visit the pump. Like this podcast? Please help us by supporting the Naked Scientists

Many a dog has been observed barking at the television - but can they see what's going on in 'One man and his Dog'? Can they see images better on LCD TVs rather than CRT? Plus, we ask why one side of our brain is wired up to control the other side of our body. Like this podcast? Please help us by supporting the Naked Scientists

We apply some Naked Science force to this week's question and find out if we make a magnet so strong that is squashes, rather thanks sticks to, your white goods. Plus we ask do motorways create a microclimate? Like this podcast? Please help us by supporting the Naked Scientists

Elizabeth got in touch to ask: "do hairs grow out grey, or do hairs that have colour eventually turn grey?" We asked hair expert Desmond Tobin, director of the Charles Institute of Dermatology, University College Dublin... Like this podcast? Please help us by supporting the Naked Scientists

We find out why we're often told that olive oil is better for you. Is there any truth to the advertising? Plus, we ask about the dangers of apple cores! Like this podcast? Please help us by supporting the Naked Scientists

If birds are dinosaurs, why didn't they get killed by the asteroid 60 million years ago? Tom O'Hanlon put Fay's query to David Norman from the University of Cambridge. Like this podcast? Please help us by supporting the Naked Scientists

Tim says: "The experts at the Energy Saving Trust and British Gas say it's cheaper to heat your home only when you need it. But my heating control panel says that it uses less energy to keep a background temperature when the room is unoccupied, than it does to allow the dwelling to chill too much. I'm confused! Which advice is correct?" We put Tim's question to Mike Childs, head of science, policy and research at Friends of the Earth. Also helping us out is Lewis Tyronney, an engineer with British Gas... Like this podcast? Please help us by supporting the Naked Scientists

We ask why the New World wasn't technologically as advanced as the Old World. Is this a valid question? Plus, we ask what the benefits of kissing might be. Like this podcast? Please help us by supporting the Naked Scientists

If you accidentally relocate a bee in your car, what happens? Would it join another colony or would that be it for the lost bee? For the answer to this insterest-sting question, we spoke to Henry Ferguson-Gow from the Zoological Society of London. Like this podcast? Please help us by supporting the Naked Scientists

Julie wrote in with this question for us: "I have received such conflicting advice from TV food cooks. Some say that cooked chicken should be allowed to cool down to room temperature before refrigeration whilst others say to put the hot cooked chicken into the refrigerator immediately. Which is right?" Mariana Marasoiu nibbled away at this question with Paul Wigley from the University of Liverpool... Like this podcast? Please help us by supporting the Naked Scientists

We investigate the most energy-efficient way to climb stairs: one or two at a time? Like this podcast? Please help us by supporting the Naked Scientists

Do ants or other insects feel pain in the same way as humans do? And what does it have to do with robots? Tom Crawford gets some ant-sight from the University of York's Eleanor Drinkwater... Like this podcast? Please help us by supporting the Naked Scientists

What would peeing on the moon look like? Is it even possible? Tom Crawford puts this astronomical question to Dr. Chris Messenger from the University of Glasgow... Like this podcast? Please help us by supporting the Naked Scientists

Why don't electrons crash into the centres of atoms? Like this podcast? Please help us by supporting the Naked Scientists

This week, a question from Bill. "My question is about Chernobyl and why it is that wildlife seems to be thriving there and yet we understand that humans still can't survive there. Why is this?" Phil Sansom spoke to someone who's actually been there - Victoria Gill, a science correspondent for BBC News... Like this podcast? Please help us by supporting the Naked Scientists

How many people have lived on Earth? We do some number crunching. Like this podcast? Please help us by supporting the Naked Scientists

We find out if raising your baby to be bilingual is a good or bad thing for brain development. Like this podcast? Please help us by supporting the Naked Scientists