Question of the Week

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?

The immune system is supposed to hunt down invaders - why doesn't sperm get the same treatment?

Why is my phone signal sometimes good, and sometimes bad, in the same place?

Is it best to keep your home at a constant background temperature, or heat only when you need it?

We sought out the answer to this hairy question...

We dive into the reasons behind why sea levels go up in some parts of the world and go down in others.

Why might mosquitoes prefer to munch on certain people?

Check out the expert answer to this c-c-cool question...

Are most animals edible?

How will 12,000 satellites impact telescopes - let alone spacecraft trying to get through?

Should you let it cool down first, or can it go straight in the fridge?

Can we use fingernails and toenails to satisfy the demand of rhino horn and reduce poaching?

When you add rice or pasta to a pan, why does the water boil over?

Some say it's unsafe for humans, but even David Attenborough has remarked on the animal life there...

How will climate change affect monsoons? We have been pour-ing over an answer...