:00:27. > :00:31.Evening all! Newsround taking over BBC One. Leah and Ricky with your
:00:31. > :00:34.headlines. We've got plenty on the way for you this Thursday,
:00:34. > :00:38.including all of this... We'll tell you once and for all whether food
:00:38. > :00:42.off the floor is ever all right to eat. And the robotic arm you
:00:42. > :00:46.control with your mind. Before all that - how comfortable are you in
:00:46. > :00:49.the water? New figures out today claim thousands of kids aren't
:00:49. > :00:53.learning to swim and could be putting themselves at risk as a
:00:53. > :00:56.result. Leah, you've been looking into this one today. Well Ricky,
:00:56. > :00:59.swimming in schools is on the national curriculum which means it
:00:59. > :01:03.should be compulsory for you to learn. You're supposed to be able
:01:03. > :01:06.to swim at least 25 metres by the time you leave primary. But this
:01:06. > :01:08.new research from the Amateur Swimming Association claims that
:01:08. > :01:13.more than 200,000 children are leaving Primary School unable to
:01:13. > :01:17.swim at all. What's more, they've found that four out of 10 of those
:01:17. > :01:20.kids aren't being given the chance to even learn. So we've been asking
:01:20. > :01:30.you how important you think it is to learn to swim. We caught up with
:01:30. > :01:32.
:01:32. > :01:36.these kids at a pool in Stockport. If you fall in somewhere and catch
:01:36. > :01:39.something you could die. More a dog could not swim and fell in the
:01:40. > :01:44.water so I went in and tried to pull him out. Because of swimming
:01:44. > :01:49.lessons you could do that? Yes. would prefer to have more schools
:01:49. > :01:59.having swimming lessons, it means more people can learn how to swim.
:01:59. > :02:03.
:02:03. > :02:06.You've been getting in touch on the Georgina from Essex doesn't like
:02:06. > :02:12.going swimming with school - she thinks children should only go if
:02:12. > :02:16.they want to or can't swim. With me on the sofa is Matthew McFahn from
:02:16. > :02:21.the Amateur Swimming Association, the people who did this study.
:02:21. > :02:26.Isn't swimming like any other sport, if kids can't do it, why should
:02:26. > :02:30.they try? In his hugely important, a life skill, the only sport that
:02:30. > :02:35.can save your life. That is vital and will allow youngsters to enjoy
:02:35. > :02:39.the water in a pool, on holiday, with their parents, going to
:02:39. > :02:42.friends with a pool, or even by a river and need to be safe. We have
:02:42. > :02:49.been in touch of the government and they said toss it is compulsory.
:02:49. > :02:53.What else can be done? The key thing is for the government to try
:02:53. > :02:57.to make sure inspectors spend more time looking at swimming and making
:02:57. > :03:01.sure schools do something. They spend a lot of time on maths and
:03:01. > :03:07.English and making sure academic subject a done but this is a life
:03:07. > :03:12.skill that could save a life. can be expensive for some schools.
:03:12. > :03:16.It can. Travel costs could be an issue but I know local councils are
:03:16. > :03:23.working with schools trying to make a difference. If we can get that
:03:23. > :03:26.right every child could have a chance of swirling. -- swimming.
:03:26. > :03:29.Matthew, thanks for coming in. Moving on now and being able to
:03:29. > :03:33.control something just with the power of your mind sounds pretty
:03:33. > :03:36.amazing. Yep, you could get your mum to do your homework for you. Or
:03:36. > :03:39.you could make your brother make your bed. But scientists in America
:03:39. > :03:41.have been developing a much more serious use for it. Nel's got all
:03:41. > :03:44.the details. Cathy Hutchinson is paralysed from
:03:44. > :03:49.the neck down. She hasn't been able to serve herself a drink for almost
:03:49. > :03:55.15 years. But that all changed in this moment. It's down to the box
:03:55. > :04:00.screwed onto her head. It has a sensor linked to her brain and
:04:00. > :04:05.that's controlling the robotic arm. She can't speak but the look on her
:04:05. > :04:09.face tells you she's ecstatic. So how does it work? A tiny sensor
:04:09. > :04:12.smaller than a five pence piece is implanted onto the top of the brain.
:04:12. > :04:17.It picks up electrical activity from the brain and turns it into
:04:17. > :04:22.commands for the robotic arm. was a moment of true joy, true
:04:22. > :04:29.happiness, it was beyond the fact that it was an accomplishment. An
:04:30. > :04:32.important advance in the entire field of brain computer interfaces.
:04:32. > :04:35.This is not the first time scientists have experimented with
:04:35. > :04:40.mind control. In January this injured British soldier was fitted
:04:40. > :04:44.with a bionic arm which he can move with his brain. Here's a researcher
:04:44. > :04:46.using his thoughts to tell his wheelchair where to go. And this is
:04:46. > :04:56.Ricky trying out a computer game where you can control your
:04:56. > :04:59.character via your headset! It's pretty fast. It's still early
:04:59. > :05:03.stages but this latest development is a big step towards the long-term
:05:03. > :05:11.goal of being able to use brain sensors to help the people who need
:05:11. > :05:15.it most. The Russian spacecraft successfully docked today, the
:05:15. > :05:21.astronauts will spend four-and-a- half months looking at the wonders
:05:21. > :05:23.of the universe. So lucky. Back on earth, whether it's watching a new
:05:23. > :05:27.family of lion cubs or tracking American black bears Planet Earth
:05:27. > :05:29.Live is one of the most ambitious wild life series ever! It's been
:05:29. > :05:32.following some of the world's most amazing creatures live. And this
:05:32. > :05:37.morning we spoke to one of the presenters Richard Hammond all the
:05:37. > :05:40.way from Kenya. That is the 10th I broadcast from. We are running
:05:41. > :05:46.about getting ready for the show this evening but I wanted to show
:05:46. > :05:52.you something you don't normally see. This is one of the camera cars
:05:52. > :05:55.they used to go out and fill the animals. All this frame built on
:05:55. > :05:59.the side, this is the spot and drivers are she knows where
:05:59. > :06:06.everything is out there, it is her job to drive this car over
:06:06. > :06:14.unbelievable territory so we can get the shots. They are up and away
:06:14. > :06:18.at about 5:30am. I will up day you on how the animals are doing. Right
:06:18. > :06:25.now it is not raining in the rainy season, which is lovely. I hope you
:06:25. > :06:29.will be there with us tonight, 8pm BBC One. I will be watching. OK
:06:29. > :06:34.Leah. You've dropped a crisp on the floor. What do you do? Three second
:06:34. > :06:38.rule. Well, believe it or not, scientists are actually looking
:06:38. > :06:42.into the theory behind the three second rule to find out if it's
:06:42. > :06:51.right. There is nothing a lot more than sitting back with a cup of tea
:06:51. > :06:58.We've all been there. You drop something on the floor, pick it up,
:06:58. > :07:00.dusted off and carry on. It's called the three-second rule. But
:07:00. > :07:05.scientists have started fighting back against this time old
:07:05. > :07:12.tradition, they are putting food through its paces to see if it
:07:12. > :07:17.passes the test. How does it work? We dropped different types of food
:07:17. > :07:22.onto the floor, left them for three, five or 10 seconds, then put it
:07:22. > :07:27.into a machine which mimics the stomach. It mashes it up into
:07:27. > :07:32.liquid, then the liquid is transferred on to some plates which
:07:32. > :07:37.will throw up different types of bacteria. Scientists worked out
:07:37. > :07:40.that wet foods like jam and ham will still pick up bacteria if you
:07:40. > :07:46.drop them on the floor. Because these foods have high levels of
:07:46. > :07:49.sugar and salt the bacteria is less likely to grow. Have you worked out
:07:49. > :07:52.that the three second rule is not necessarily always right? There was
:07:52. > :07:57.not any significant difference between leading the food on the
:07:57. > :08:03.floor for three, five or 10 seconds. If there was bacteria there it
:08:03. > :08:07.would be there at three seconds. there we have the science behind it.
:08:07. > :08:12.What have we learnt? Experts say it is never a good idea to eat food
:08:12. > :08:22.that has fallen on the floor, instead, why not try and stick to
:08:22. > :08:22.
:08:22. > :08:26.Now just about now Britain will finally get its hands on the
:08:26. > :08:29.Olympic torch. It's being officially handed over to the UK at
:08:29. > :08:32.a special ceremony in Greece. David Beckham and Princess Anne will then
:08:32. > :08:35.bring it back home before the torch relay starts here on Saturday.
:08:35. > :08:41.sticking with the Olympics - one of Hollywood's biggest names has been
:08:41. > :08:46.getting special 2012 training session. Men in Black star Will
:08:46. > :08:49.Smith had a go at the hurdles at a special event. The actor also threw