Question of the Week

Why are some batteries rechargeable, while others are not?

If you look at a normal movie with one eye dimmed by sunglasses, why does it look 3D?

Throughout history, how does nutrition affect the rich and the poor?

Could a baby grow in space?

Is there a finite amount of new music?

Listener Eleanora wants to know the reason behind her dad's toilet quirks...

On a planet with more mass, could rockets still reach orbit? A space systems engineer explains...

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?