20/02/2016 Newsround

Hi, I'm Martin with the day's top stories live.

The Prime Minister David Cameron announces an important vote

And what's this penguin doing on a treadmill?

First let's get straight to that big announcement on Europe.

The Prime Minister David Cameron has said wants people to decide

whether the UK should stay in or leave an important club

Here is he making that announcement just a short while ago.

We are approaching one of the biggest decisions this country will

face in our lifetimes. Whether to remain in a reformed European Union

or to leave. The choice goes to the heart of the kind of country we want

to be. And the future we want for our children.

The Prime Minister wants adults to take part in a special vote

called a referendum on the 23rd of June.

Although children won't be able to take part in that vote,

the decision made will have a big impact on your lives.

Let's take a really quick look with Ayshah.

And that's when the UK joined what is now known

It's a club of 28 countries from around Europe who work together.

and its own money, the Euro, used by most of its members,

Countries join the EU because they think it will help

But now, British Prime Minister David Cameron has promised to hold

a vote on whether or not the UK should stay in or leave the EU.

Supporters of the EU think the UK is stronger as part of it.

That's because we buy and sell lots of things

People who want to leave the EU say it forces too many rules on Britain.

They say leaving will give British people more control over

It will be up to adults around the UK to decide what's best

And you can keep up to date with all you need to know

about the UK's vote on the European Union

with our special guide over on the Newsround website.

If your oldest in your family do you remember what it was like to meet

your brother or sister for the first time # for five years I have been

the only child. But that is going to change. I am excited. There is a

baby in my mummy 's tummy. It is a funny picture. But this is the baby

waving to us. Yes! I have got the baby, baby brother. Going to hug him

and I'm going to be so happy I'm going to cry.

Hello, dad. Where is he? We have got a Spider-Man lunchbox. In case he is

angry. -- hungry. Hello! I am your Big Brother.

And for more amazing siblings, Brothers and Sisters,

A Newsround Special, is online now, so check it out.

Next, a new rocket that will take the first ever tourists up

into space has been unveiled in California, in America.

The plan is for it to carry six passengers nearly 100

700 people have signed up to take a trip already, even though it

Polar bears are meeting for the first time in this enclosure. Polar

bears are classed as a rare species. A group of people in Hampshire have

been swapping hats and coats for their goggles and preparing for a

cold dip. That's because the UK's first ever

ice swimming championships is taking The new sport is definitely not

for wimps - rules say swimmers have to take to the freezing water

with only a swimming costume Finally, it wouldn't be

Newsround without a penguin, Cute as it looks, there's serious

science behind it. Researchers studying king penguins,

including this little guy, found the fatter they are,

the more wobbly they are when they waddle,

which makes life more dangerous That's all from me,

Newsround's back tomorrow.