Ask the Naked Scientists

What is a flame? How do fireworks control their explosions? Why is it impossible to swat flies? Dr Chris tackles these question in this week's Ask the Naked Scientists as well as discovering how much heavier a tree is made by its leaves, predicting the outcome of a flu epidemic in todays society and revealing why a tea bag doesn't float in hot water. Like this podcast? Please help us by supporting the Naked Scientists

How do planes make shadows on the clouds? Can mosquitoes transmit HIV? Which sense do we lose last under anaesthetic? Drs Chris and Dave have the answers in this week's Ask the Naked Scientists when they also delve into cellulitis and how not to catch it, how athletes can constantly break world records, why men and women get fat in different places and why perpetual motion is a pipedream Like this podcast? Please help us by supporting the Naked Scientists

How do we weigh the Earth, what's the basis of diabetes, does dandruff really trigger rain and clone alone - who would you make a copy of given the chance? Dr Chris pits his wits against these and other questions in this weeks edition of Ask the Naked Scientists. Like this podcast? Please help us by supporting the Naked Scientists

When is wood not safe to burn? What makes poisonous plants dangerous? Could you get a satellite to orbit the moon? This week on Ask The Naked Scientists, we'll give you the answers to all these questions. We'll also find out the difference between cold and flu viruses, compare sheet and fork lightning and find whether a bluetooth headset could be used to track you down... Like this podcast? Please help us by supporting the Naked Scientists

Is it dangerous to feed nuts to babies? Can dogs get hayfever? Where does the static on your radio come from? All these and more are answered this week on Ask the Naked Scientists! We'll also be finding out whether blue-eyed people are more sensitive to the sun and why some people get more drunk than others after a couple of pints down the pub! Like this podcast? Please help us by supporting the Naked Scientists

Why does our head hurt when we eat too much ice cream? How is it possible to communicate with people on the other side of the world without any wires? What is cellular architecture? Why do only some of us get allergies? We tackle these questions and more on this week's Ask the Naked Scientists! We also find out what causes gaut, reveal if bottled water is safer to drink than tap water, and discover how wind is created. Like this podcast? Please help us by supporting the Naked Scientists

Do the cells controlling our memory renew themselves? Where does the rubber go when tyres wear down? What would happen if we grew plants in space? Why do we have earwax? We answer these questions this week on Ask the Naked Scientists.We also find out how coffees can heat themselves, discover how online streaming works, investigate what would happen to water at absolute zero and create sparks by revealing how static electricity forms. Like this podcast? Please help us by supporting the Naked Scientists

Could piezo electricity be used to supply power to the world's population? In space, can anyone hear you scream, or actually hear anything? How do dolphins direct themselves underwater? We tackle these questions and more this week on Ask the Naked Scientists! We also look into how far sound can travel, find out how the Large Hadron Collider will work and reveal how the sun manages to rise so quickly! Like this podcast? Please help us by supporting the Naked Scientists

How was the Sun created? How are dead bodies decomposed? Does hot water freeze faster than cold water? We answer these questions and more on this week's Ask the Naked Scientists! We also find out why it's colder at high altitude even though you are closer to the Sun, reveal the sources and abundance of aluminium worldwide and discover the power of painkillers. Like this podcast? Please help us by supporting the Naked Scientists

How can bombs bounce without going off? Could a volcanic eruption be deadly worldwide? What is St Elmo's Fire? Are computers worse for the environment than planes? We tackle these question this week on Ask the Naked Scientists.We also find out if different parts of our body could have different DNA, investigate how to create a car that cannot be seen on radar, reveal the difference in oil found in Saudi Arabia and find out what a light year is. Like this podcast? Please help us by supporting the Naked Scientists