Question of the Week

Do our skin and hair prefer it soft? What about our teeth and bones? Time to weigh up this watery wrangle...

We have adrenaline to send us into 'fight or flight' mode, and many insects are great at flight

Listener Margaret noticed the difference between sweat when she exercises, and sweat when she's nervous...

And does being in space affect your body clock?

We're talking about "latchkey incontinence" this week...

Six-year-old Jonathan sent us this question after it stumped his dad...

Light travels faster than sound, but do we perceive it faster too?

Can you help the environment by burying your paper?

Shampoo bottles say you should wash twice. Is there any science to that?

The UK government has provided more than a billion items of PPE - why so much?

What makes instant coffee disappear so quickly into hot water?

If identical twins have children with identical twins, how related are all the children?

If dimpled golf balls fly better, why aren't there dimpled planes?

Is there any research on the antiviral properties of saponins?

Are astronauts still going to and from the International Space Station? A flight surgeon answers...

Do electrons leave their atoms to make electric current?

Do we all have the same number of nerve endings in our skin, regardless of body size?

Babies get their helpful bacteria when they're born. Does the same happen to a C-section baby?

Listener Jon keeps his pet frogs in a terrarium. If he sealed it, who would win: the frogs or the plants?

Fusion could be the most sustainable source of energy in the future. But how much can we get out of it?

Bigger dog, bigger brain - does that mean a great dane is cleverer than a chihuahua?

Can my kitchen sponges be used forever if I microwave them or put them in the dishwasher?

Sick of sunburn? Could it be your immune system?

When will the Earth's magnetic field next flip? Will it cause problems for our technology?