:00:00. > :00:00.Good morning and welcome to Newsround with me,
:00:07. > :00:10.Here's what's going on in the universe today.
:00:11. > :00:26.And meet the biggest social media stars of the dog world.
:00:27. > :00:29.British Astronaut Tim Peake is celebrating the halfway point
:00:30. > :00:31.of his mission on board the International Space Stationa
:00:32. > :00:37.He's spent more than 12 weeks orbiting the earth and is due
:00:38. > :00:48.Martin's been looking back at some of his highlights.
:00:49. > :00:56.Tim Peake blasted off on the 15th of December last year for his six-month
:00:57. > :01:02.mission to the International Space Station. He has been doing all sorts
:01:03. > :01:08.of experiments in space and has even tried to get you guys involved too.
:01:09. > :01:17.He spent Christmas and even New Year on the space station. Happy New
:01:18. > :01:20.Year. He found interesting ways to keep themselves occupied, from
:01:21. > :01:29.making scrambled eggs in space to drinking water to showing us how to
:01:30. > :01:35.to, or even being chased by a gorilla. He has been working hard
:01:36. > :01:42.to, cleaning and going for spacewalks to fix broken equipment
:01:43. > :01:49.outside the ISS. He even managed to present a Dell with an award. It has
:01:50. > :01:55.definitely been a packed journey so far but with all his
:01:56. > :01:58.accomplishments, we are sure there is more to come. -- Adele.
:01:59. > :02:01.Amazing stuff - and someone who knows just what it's
:02:02. > :02:03.like to live in space is Nasa astronaut Don Thomas.
:02:04. > :02:08.For the rest of the journey, Tim will be working on science
:02:09. > :02:12.experiment, and he will be working on keeping his body in shape,
:02:13. > :02:20.keeping his muscles as firm as possible. He exercises to what we
:02:21. > :02:26.hours a day because in zero gravity, you do not use your muscles at all.
:02:27. > :02:30.He will be lifting special weights, a special weight device we have,
:02:31. > :02:33.trying to keep fit, keeping his homes and muscles strong for his
:02:34. > :02:39.return Back to Earth. Today is BBC News School Report day
:02:40. > :02:42.- when school children get to make the news about subjects
:02:43. > :02:44.important to them. Young students at the Ghandi
:02:45. > :02:47.Memorial Public school in Delhi in India have been looking
:02:48. > :02:49.at the effects of the air pollution. We are the students
:02:50. > :02:59.of Gandhi Memorial public school in Delhi, and we are here on a busy
:03:00. > :03:14.road to measure the air pollution. The number of fine particles
:03:15. > :03:17.in the air is way above the safe We are young people growing up
:03:18. > :03:21.in what is often called the most polluted city in the world
:03:22. > :03:23.and we will investigate whether the capital can
:03:24. > :03:25.raise future generations. This is where we go
:03:26. > :03:30.to school in east Delhi. The early morning sky
:03:31. > :03:33.is a blur of smoke and dust. Earlier, the levels were much worse
:03:34. > :03:36.making it difficult to even breathe. One of the major causes
:03:37. > :03:38.of pollution is the increasing Around 1400 get added
:03:39. > :03:51.to the roads in Delhi every day. To find out more we went
:03:52. > :04:09.to see a local doctor. What diseases are caused by air
:04:10. > :04:11.pollution with children? Every day we come across 13 to 20
:04:12. > :04:14.children who are suffering Intellectual activities
:04:15. > :04:28.will be disturbed. According to the monitor,
:04:29. > :04:31.pollution levels near our school Air pollution is causing millions
:04:32. > :04:43.of early deaths every year, mostly in developing countries,
:04:44. > :04:45.and therefore cities Whether Delhi is fit enough
:04:46. > :04:55.for the next generation depends We need to reduce the number of cars
:04:56. > :05:00.on the roads, and we need and we need to improve public
:05:01. > :05:03.transport, a better Metro service, All people need to come together
:05:04. > :05:09.to plant trees to ensure that all trees in the city stay alive,
:05:10. > :05:12.and we need to prevent trucks and other diesel vehicles
:05:13. > :05:20.coming into the city. With no doubt, the government
:05:21. > :05:23.is making efforts to find a solution to the problem but it needs
:05:24. > :05:32.a commitment from the public. Crufts gets underway today
:05:33. > :05:37.of the canine world are heading and the pooches with the biggest
:05:38. > :05:40.following on Instagram have been invited along this
:05:41. > :05:49.year to take part. Jenny will be back this afternoon
:05:50. > :05:54.at 4.20 with lots more for you.