Question of the Week

What's left behind when a body is cremated?

Are there health benefits, or downsides, to the popular loaf?

Why can eggs be made at body temperature, but sperm need to be made at cooler temperatures?

Compost breaks down organics better - but do more greenhouse gases get released? We've got the answer...

Let's make sure we're not barking up the wrong tree!

How many people could have my last name in 300 years?

When should I water my veggies - morning, midday, or evening?

Satish has been wondering how being upside down affects blood circulation...

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?