0:00:03 > 0:00:04Good afternoon, news fans.
0:00:04 > 0:00:06I'm Jenny, live with your last Newsround update of the day.
0:00:06 > 0:00:09You won't want to miss all this.
0:00:09 > 0:00:12Find out what happened when this record-breaking spaceman
0:00:12 > 0:00:14returned to Earth.
0:00:14 > 0:00:18And we want to know your World Book Day plans!
0:00:27 > 0:00:31But first to that story that's had you sending in your views all day.
0:00:31 > 0:00:31We're asking, should tackling be banned in rugby games?
0:00:34 > 0:00:38Today a group of more than 70 doctors and health experts said
0:00:38 > 0:00:41they want to stop tackling in school rugby, because they say it's
0:00:41 > 0:00:43dangerous.
0:00:43 > 0:00:46Rugby is brilliant because it gives me confidence.
0:00:46 > 0:00:49It gives me adrenaline and makes me feel stronger.
0:00:49 > 0:00:51It keeps you fit and healthy.
0:00:51 > 0:00:56It is compulsory at many schools in the UK.
0:00:56 > 0:00:58They are big fans here at this school in Cheshire,
0:00:58 > 0:01:01but now some doctors say that the way rugby is played
0:01:01 > 0:01:03in schools should change.
0:01:03 > 0:01:06They have written to politicians, asking them to ban tackling
0:01:06 > 0:01:10in school and club games for anybody under 18.
0:01:10 > 0:01:15The risk of injury can be 28% for a child playing in a season,
0:01:15 > 0:01:19and an 11% risk of being concussed.
0:01:19 > 0:01:20These are serious injuries.
0:01:20 > 0:01:26The way of preventing 90% of injuries is to take out
0:01:26 > 0:01:30and remove the tackle and contact from the game.
0:01:31 > 0:01:34The PE teacher at this school says tackling can be safe.
0:01:34 > 0:01:38We are trying to minimise the risks, make it as little as possible,
0:01:38 > 0:01:41so that people don't get injured, but focus on the main things,
0:01:41 > 0:01:43the core values.
0:01:43 > 0:01:47We make sure all staff are trained and students are aware,
0:01:47 > 0:01:50and when it is appropriate for them to go into contact in a game
0:01:50 > 0:01:54situation, they have done the progress.
0:01:54 > 0:01:55I think it should not be banned.
0:01:55 > 0:01:58As long as you are taught how to do it safely,
0:01:58 > 0:01:59you are OK.
0:01:59 > 0:02:03When you do a fair tackle, it gives you the confidence
0:02:03 > 0:02:06to boost your team and help them win the game.
0:02:06 > 0:02:07You can injure yourself in any sport.
0:02:07 > 0:02:12The contact makes you more excited and gets your adrenaline going.
0:02:13 > 0:02:17It is an important part of the game, it becomes natural and it is fine.
0:02:19 > 0:02:21We have been asking for your comments, not all of you agree
0:02:21 > 0:02:25it should stay.
0:02:31 > 0:02:34The people in charge of running rugby in England told Newsround
0:02:34 > 0:02:37there are special rules for young players to make the sport as safe
0:02:37 > 0:02:41as possible and a lot of research goes into minimising any
0:02:41 > 0:02:44risk of injury.
0:02:44 > 0:02:47Record-breaking US astronaut Scott Kelly came back to Earth
0:02:47 > 0:02:50with a bump today after almost a year in space.
0:02:50 > 0:02:53He was joined by Russian cosmonaut Mikhail Korniyenko,
0:02:53 > 0:02:56and the pair landed at around 4:30am this morning.
0:02:56 > 0:02:58They had to be helped out of their capsule,
0:02:58 > 0:03:00because being in space weakens your muscles.
0:03:00 > 0:03:03During his stay on the International Space Station Scott shared some
0:03:03 > 0:03:07incredible images and videos of our planet, so let's take
0:03:07 > 0:03:09a look.
0:03:09 > 0:03:15340 days in space, and during that time, Scott Kelly has
0:03:15 > 0:03:19shared his experiences online, from chilling out with his
0:03:19 > 0:03:23colleagues to fantastic views from above.
0:03:25 > 0:03:29He also carried out lots of work as well, including important repairs
0:03:29 > 0:03:32to the ISS.
0:03:32 > 0:03:36And of course there was always lots of time for fun.
0:03:36 > 0:03:38This is Scott dressed up.
0:03:38 > 0:03:41But it does not stop there, his identical twin Mark,
0:03:41 > 0:03:45also an astronaut, stayed grounded during the year.
0:03:45 > 0:03:48Nasa will now test them both to find out how a year of weightlessness
0:03:48 > 0:03:49affects the body.
0:03:49 > 0:03:53It is hoped they will find out more about what it is like to travel
0:03:53 > 0:03:57to Mars, which would take a year of space travel.
0:03:58 > 0:04:00The Track Cycling World Championships kick off
0:04:00 > 0:04:01in London today.
0:04:01 > 0:04:04Among the riders is double Olympic gold medallist Laura Trott.
0:04:04 > 0:04:07She told us about the moment she realised as a child she could be
0:04:07 > 0:04:10a cycling superstar.
0:04:10 > 0:04:14We used to go Welling and do a track meet on a Friday night.
0:04:14 > 0:04:17I was in the B group, and the A riders would be
0:04:17 > 0:04:20handicapped, they had to catch you for a lap.
0:04:20 > 0:04:24A guy pushed me off, I went flying, I did not have to pedal.
0:04:25 > 0:04:28I remember winning and I thought, maybe I can do this,
0:04:28 > 0:04:31and it took off from there.
0:04:31 > 0:04:34Now, tomorrow isn't just 3rd March, it's World Book Day,
0:04:34 > 0:04:37a huge celebration of everything reading-related!
0:04:37 > 0:04:40It's marked in over 100 countries round the globe,
0:04:40 > 0:04:42and we want to know what you're doing for the day.
0:04:42 > 0:04:43Are you dressing up?
0:04:43 > 0:04:44Reading a favourite book?
0:04:44 > 0:04:46Or even putting on a play?
0:04:46 > 0:04:48Whatever you're doing, we want your photos and videos now,
0:04:48 > 0:04:51so get online and send them our way.
0:04:51 > 0:04:53That's all from the team today.
0:04:53 > 0:04:55Newsround's back right here with all your top stories
0:04:55 > 0:05:00on World Book Day tomorrow morning.