09/05/2017 Newsround

Hi, I'm Ayshah and this is Newsround.

The space trip with a secret mission.

And the gooey new trend for making slime.

First to the mysterious space plane that's got a lot of people

Touchdown, after a top-secret mission lasting two years.

This unmanned US military space plane landed at Nasa's Kennedy Space

Exactly what the plane has been up to during its 718 days

The X37B belongs to the US Air Force,

But the small bit of information we do know is that this space plane

It's 29 feet long, with a wingspan of 15 feet, much smaller

It's thought a series of experiments are being carried out on board,

testing different technologies and materials in space.

But still, a lot of what happens on this plane is kept secret.

When it came into land, it caused a sonic boom,

with one Twitter user in living nearby saying her house shook

Another mission is scheduled later this year.

Footie next, and Chelsea are just one win away from the Premier League

title after last night's three-nil win against Middlesbrough.

Diego Costa scored this goal after 23 minutes.

Then Marcos Alonso netted this shot 11 minutes before the break

and Nemanja Matic scored the last goal.

That crushing defeat means Middlesborough are relegated

from the Premier League after just one season.

Middlesbrough's head coach thanked fans after the match.

That support, both home and away, has been absolutely top class

and the one thing that supporters deserve is Premier League football.

We're all disappointed, we need to finish the season strong

It's gooey, it's sticky and it's slimy.

Well, it's slime and loads of you have been making it at home.

But there are some worries that one ingredient you use to make it,

Therapeutic... Satisfying... Messy...

Oh, right, well, some of you love slime and some of you, not

It comes in rainbow, unicorn pink, green and just about any other

On some social media sites, there are millions of posts.

When you type in "slime" online, loads of how-to videos pop up.

I've come along to this class, where they

This type of slime is called oobleck.

And when you pick it up, it seems solid and when you

leave it in your hand, it goes into a very liquidy mixture.

The best thing about it if you can play with it for

hours and hours and it never seems to stop.

You can make it into different things.

But some of you have been making it at home and

there have been reports that one of the ingredients, is called Borax.

It's a type of chemical used in cleaning products and is found in

some household items in a very small doses.

But it has caused problems with some children's skin.

Hi, Newsround. You need to keep Borax Abhay were small children

cannot reach it. If you have eczema or sensitive skin, wear gloves. That

will keep your skin say. Try not to splash any in your eye. It will be a

good idea to tell an adult before you start making slime. Just to be

sure that if there's any problems, somebody knows. If your skin hurts

get itchy or red, run it under lots of cold water and if that doesn't

make it better, speak to an adult and perhaps ring 111, otherwise

happy slime making. Thank you. Go online to find out more

about other games and crazes like fidget spinners

and what about the new skill-toy Join me in half an hour,

when I'll show you the weird sport that's getting really popular

with girls in Finland.