:00:00. > :00:00.Hi, I'm Martin with the day's top stories live.
:00:07. > :00:12.The Prime Minister David Cameron announces an important vote
:00:13. > :00:27.And what's this penguin doing on a treadmill?
:00:28. > :00:30.First let's get straight to that big announcement on Europe.
:00:31. > :00:33.The Prime Minister David Cameron has said wants people to decide
:00:34. > :00:36.whether the UK should stay in or leave an important club
:00:37. > :00:45.Here is he making that announcement just a short while ago.
:00:46. > :00:51.We are approaching one of the biggest decisions this country will
:00:52. > :00:57.face in our lifetimes. Whether to remain in a reformed European Union
:00:58. > :01:02.or to leave. The choice goes to the heart of the kind of country we want
:01:03. > :01:03.to be. And the future we want for our children.
:01:04. > :01:06.The Prime Minister wants adults to take part in a special vote
:01:07. > :01:08.called a referendum on the 23rd of June.
:01:09. > :01:12.Although children won't be able to take part in that vote,
:01:13. > :01:15.the decision made will have a big impact on your lives.
:01:16. > :01:20.Let's take a really quick look with Ayshah.
:01:21. > :01:30.And that's when the UK joined what is now known
:01:31. > :01:36.It's a club of 28 countries from around Europe who work together.
:01:37. > :01:44.and its own money, the Euro, used by most of its members,
:01:45. > :01:48.Countries join the EU because they think it will help
:01:49. > :01:52.But now, British Prime Minister David Cameron has promised to hold
:01:53. > :01:58.a vote on whether or not the UK should stay in or leave the EU.
:01:59. > :02:01.Supporters of the EU think the UK is stronger as part of it.
:02:02. > :02:03.That's because we buy and sell lots of things
:02:04. > :02:08.People who want to leave the EU say it forces too many rules on Britain.
:02:09. > :02:11.They say leaving will give British people more control over
:02:12. > :02:17.It will be up to adults around the UK to decide what's best
:02:18. > :02:29.And you can keep up to date with all you need to know
:02:30. > :02:31.about the UK's vote on the European Union
:02:32. > :02:36.with our special guide over on the Newsround website.
:02:37. > :02:45.If your oldest in your family do you remember what it was like to meet
:02:46. > :02:51.your brother or sister for the first time # for five years I have been
:02:52. > :02:57.the only child. But that is going to change. I am excited. There is a
:02:58. > :03:13.baby in my mummy 's tummy. It is a funny picture. But this is the baby
:03:14. > :03:23.waving to us. Yes! I have got the baby, baby brother. Going to hug him
:03:24. > :03:36.and I'm going to be so happy I'm going to cry.
:03:37. > :03:53.Hello, dad. Where is he? We have got a Spider-Man lunchbox. In case he is
:03:54. > :04:05.angry. -- hungry. Hello! I am your Big Brother.
:04:06. > :04:17.And for more amazing siblings, Brothers and Sisters,
:04:18. > :04:19.A Newsround Special, is online now, so check it out.
:04:20. > :04:22.Next, a new rocket that will take the first ever tourists up
:04:23. > :04:25.into space has been unveiled in California, in America.
:04:26. > :04:27.The plan is for it to carry six passengers nearly 100
:04:28. > :04:43.700 people have signed up to take a trip already, even though it
:04:44. > :05:10.Polar bears are meeting for the first time in this enclosure. Polar
:05:11. > :05:14.bears are classed as a rare species. A group of people in Hampshire have
:05:15. > :05:16.been swapping hats and coats for their goggles and preparing for a
:05:17. > :05:22.cold dip. That's because the UK's first ever
:05:23. > :05:25.ice swimming championships is taking The new sport is definitely not
:05:26. > :05:30.for wimps - rules say swimmers have to take to the freezing water
:05:31. > :05:32.with only a swimming costume Finally, it wouldn't be
:05:33. > :05:36.Newsround without a penguin, Cute as it looks, there's serious
:05:37. > :05:39.science behind it. Researchers studying king penguins,
:05:40. > :05:41.including this little guy, found the fatter they are,
:05:42. > :05:43.the more wobbly they are when they waddle,
:05:44. > :05:56.which makes life more dangerous That's all from me,
:05:57. > :05:59.Newsround's back tomorrow.