Hello, welcome along to a brand new episode of the Fun Kids Science Weekly. My name's Dan,

thank you so much for giving us a listen, giving us a download, finding us. This is the only show

where we uncover all the secrets that are lurking out there in the deep dark universe. Now this

week, we will travel to the deepest part of the ocean to have a look at what's floating around the seabed.

Also, I've got some brilliant news about how we're using energy, and you can hear about a brand new rocket that is getting ready to head to Mars.

It's all on the way, plus I will answer some of the questions that you have left as a review over on Apple Podcasts.

First, let's catch up with one of our favorite geniuses at Fun Kids HQ.

This is Professor Hallex.

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

To honour great uncle halitosis, dentist 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.

If you've got a close friend, you could always ask them to be honest.

There's a simple test you can do.

Lick the back of your hand and take a sniff. If the smell

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