Alle episoder

At what temperature does sea water freeze? Why do aeroplanes not freeze when up in the cold air? Why can't we use sand on icy roads? We tackle these c...

Is goose fat bad for us? What food ingredients are healthy? Is soy healthier than meat? What is cellulitis? We tackle these questions to kick off our ...

How the moon might make you behave badly, why snowstorms beget thunderstorms, the wrong sort of snow for trains, and whether tomato soup would be a wa...

How do facial scrubs work to remove spots and oil from our skin? does hot water freeze faster than cold water? Why do we not make more use of tidal po...

How is Gold formed? Could hydrogen be used in power plants? How small can an atomic bomb be? Could we reverse electrolysis to make water? We tackle th...

Can we re-set our body clocks? How can we ease the effects of jetlag? Do body clocks change with age? We look into these questions in this week's show...

How can you measure how dark a place is? When do meteor showers occur and how can we see them? How do 'magic eye' paintings work? We reveal the answer...

What is snot? Why do we make saliva? How do babies have such sweet smelling breath? These, and other less bodily questions, get tackled in this Ask ...

Why are tomato skins so tough? Can you make fireworks from custard powder? What is the speed of dark? Join us as Dave Ansell takes on your science qu...

Can venoms be used to treat disease? How deadly is the sting of an Irukandje jellyfish? Do all bees die when they sting? We tackle these buzzing quest...

Is global warming natural as well as man-made? What effect will arctic melting have on our sea levels? Why have cars not evolved past piston engines a...

This week, Dr Dominic Ford joins Dave Ansell to take on your questions about our universe. They reveal whether it's possible to live in outer space f...

Why is our peripheral vision so good in the dark? Why do we have goosebumps? Do UFOs exist and is there life on other planets? We explore the answers ...

Why do cameras use batteries so quickly? Why does warmth help a battery last longer? How do humans survive lightning strikes? We tackle these question...

Do Aliens Exist? Did Neil Armstrong really walk on the moon? What happens over the Bermuda Triangle? We take on these mysteries in this week's show as...

How do new elements enter the periodic table? How much does the earth weigh? Could Jupiter blow up? We tackle these explosive questions on this weeks ...

How do wasps reproduce? Do all spiders bite you? Why have some animals lasted many years without evolving? We take on these questions on this week's s...

How do glowsticks glow? Do mobile phones have limited frequencies? How do 3D films work? We tackle these questions on this weeks show, as well as disc...

You ask Dave Ansell whether parallel universes are possible, how moons are formed around Saturn, what's new for car batteries, the existence of wormho...

Why do astronauts feel weightless in space? What makes teenagers throw tantrums? Do mobile phones damage our health? We tackle these questions on this...

When do stars explode? How does shoe polish work? What happens if you float away from your spacecraft? Why can't we feel the Earth spinning? Dr Dave a...

We take a turn around gyroscopes, find out if it's better to run through the rain, identify the origins of yeast, chomp our way through the make-up of...

We find out why field mice aren't green, why the Earth isn't put off its orbit by the Sun's activity and how dogs have evolved alongside humans. We co...

How big can aeroplanes get? Will we ever teleport? And When we lose weight, where does it go? We take on all these brainteasers and more in this As...

Why does helium make our voices higher? What are hiccups and how can we get rid of them? How contagious is swine flu? We take on these questions on th...

Are Orion's stars shrinking? What are wormholes and do they really exist? What is our universe expanding into? We tackle these cosmic conundrums on th...

How has laughter evolved? Why can'we tickle ourselves? Why do hot and cold water sound different? What is smell and why do things have a smell? We tac...

Can we break glass using sound? Is glass a liquid? Can we use GPS to navigate galaxies? Will climate change make the UK colder by affecting the Gulf s...

How would astronauts cope in a solar wind? Why did dry moon dust hold a footprint? Why does wine age well but beer go off? And should you eat mould? W...

How do cameras work? What are the Herschel and Plank probes hoping to find out? How are messages sent to computers and mobile phones? We tackle these ...