This is a podcast from the children's radio station Fun Kids. Listen on DAB Digital Radio across the UK or online at FunKidsLive.com.

Right, time to explore the universe. Welcome along. It's the Fun Kids Science Weekly.

Thank you so much for giving us a listen. My name's Dan and this week in the only show that takes you to the far reaches of the galaxy

and then brings you back in about 30 minutes so no one notices that you're gone.

We're chatting about humanity's mission to get closer to the sun than ever before.

Also, we'll learn about the most dangerous tree in the world.

It makes a fruit that the Spanish call the little apple of death. And we'll talk to a scientist

about the secret life of one of the planet's rarest antelopes. That's on the way. Also, I've got

some of your questions to run through in just a sec. First, let's catch up with one of our

favourite geniuses on the Fun Kid Science Weekly, it's Professor Hallex,

and this week he's looking into your mouth.

Professor Hallex's Digital Dental Depository, with support from Philip Zonikare.

To honour great-uncle halitosis, dentists' extraordinaire, on the occasion of his 100th birthday,

Professor Hallex is creating a pop-up digital dental depository, an oral health help desk.

He's going to see how many questions all about teeth he can answer against the clock.

Right, Nurse Nanobot.

Today we've got some particularly pongy poses, all about bad breath. Did you know that's what halitosis means?

Great Uncle halitosis never found it funny for some reason.

Okay, let's start.

How can you tell if you've got bad breath?

Well, there are some pretty obvious signs,

like if people start to move away from you when you talk or hold their nose.

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