:00:00. > :00:11.A dinosaur discovery reveals how this beast evolved over
:00:12. > :00:27.Find out what these gorillas are celebrating.
:00:28. > :00:34.Fossils revealing how T-Rex became a fearsome dinosaur
:00:35. > :00:37.have been found in Uzbekistan in Central Asia.
:00:38. > :00:40.A new species of Tyrannosaur has been found which shows how quickly
:00:41. > :00:41.these dinosaurs evolved from fluffy, horse-sized beasts
:00:42. > :00:44.The BBC's science reporter Victoria Gill sent Newsround this
:00:45. > :00:56.So, this is it here, some of the fossils,
:00:57. > :00:58.not all of them but ones we have here.
:00:59. > :01:14.It's a totally new species of Tyrannosaurus, it is called
:01:15. > :01:17.Way back in the Jurassic period, Tyrannosaurus weren't a whole lot
:01:18. > :01:28.Tyrannosaurus stayed that way human-sized,
:01:29. > :01:31.dog-size, a little bit bigger, until about this time.
:01:32. > :01:34.90 million years ago when they started to very suddenly
:01:35. > :01:37.get huge and become dominant, go right to the top of the food chain.
:01:38. > :01:40.This is one of those Tyrannosaurus on the cusp of becoming a T-Rex
:01:41. > :01:45.The red sections of this show you how you jigsaw this together,
:01:46. > :01:50.This is like a puzzle, and this is what we think the entire
:01:51. > :01:58.We don't know much about how a dinosaur was able to become
:01:59. > :02:04.Finding this fossil, a primitive relative of T-Rex,
:02:05. > :02:16.A rocket destined for Mars has successfully sent a signal back
:02:17. > :02:18.to Earth as it starts its long seven-month journey to Mars.
:02:19. > :02:31.The Tracer Gas Orbiter hurtling into space.
:02:32. > :02:34.It's got a very long journey ahead that will take seven
:02:35. > :02:38.Once on the surface, its main mission is to
:02:39. > :02:43.It will do that by looking for methane gas.
:02:44. > :02:45.If it is there, it could show if there
:02:46. > :02:52.The satellite also has a small vehicle called
:02:53. > :02:54.Schiaparelli which will be ejected three days before
:02:55. > :02:58.Schiaparelli will be used to test whether
:02:59. > :03:06.a second mission can be sent to the Red Planet in 2018.
:03:07. > :03:11.The next, much more ambitious surface part of the mission
:03:12. > :03:13.will focus on the search for possible presence of life very
:03:14. > :03:21.Now, all the missions that have gone until now to the surface of Mars
:03:22. > :03:30.Scientists hope the information they get from this latest rocket
:03:31. > :03:32.will help uncover if there was ever life
:03:33. > :03:48.has hit many parts of the southern states of America and many people
:03:49. > :03:51.have been forced from their homes. And Leicester have kept
:03:52. > :03:54.up their winning ways. The only goal of the match
:03:55. > :03:59.was from Shinji Okazaki, and means
:04:00. > :04:01.The Foxes are now five points clear Manager Claudio Ranieri is playing
:04:02. > :04:05.down his side's chance might be four or five matches,
:04:06. > :04:23.maybe we are fighting Next, to the tiny robots
:04:24. > :04:32.moving full-size cars. These microtug robots can
:04:33. > :04:35.pull objects 2,000 times That's the same as one of us pulling
:04:36. > :04:43.a blue whale. But, when scientists
:04:44. > :04:45.at Stanford University in the US joined
:04:46. > :04:47.them together, they can do this. Here they are moving a car weighing
:04:48. > :04:50.1,800 kilos, 3,000 times A coin thought to be nearly 2,000
:04:51. > :04:57.years old has been found by a woman out on a walk
:04:58. > :05:00.in Israel in the Middle east. The coin, from the year 107AD,
:05:01. > :05:03.shows the image of Augustus, the first emperor
:05:04. > :05:04.of the Roman Empire. It's only the second
:05:05. > :05:07.of its kind to have been found. The coin is thought to have been
:05:08. > :05:09.worth one month's wages It is important because it is
:05:10. > :05:18.so valuable that it is hard to know who would have been walking around
:05:19. > :05:21.with a coin like that in Galilee. Coins like that
:05:22. > :05:23.couldn't buy anything. It is like a $100 bill
:05:24. > :05:25.or a 500 euros note. Sometimes you'd have
:05:26. > :05:27.trouble changing it. Whether it was a soldier,
:05:28. > :05:31.which is likely, because these coins were given to soldiers
:05:32. > :05:33.as part of their pay. Or someone who stole it
:05:34. > :05:43.from a soldier, something like that. And, finally, happy birthday
:05:44. > :05:46.to Joanne the gorilla who's turned Zoo keepers in San Diego
:05:47. > :05:49.in America put up decorations in her habitat,
:05:50. > :05:55.and served up treats Newsround's back this afternoon
:05:56. > :05:57.at 4:20pm with Ayshah.