:00:00. > :00:00.Hi, I'm here with your Newsround update.
:00:00. > :00:11.A dramatic rescue for this hiker trapped on a cliff.
:00:12. > :00:19.And scientists find out more about how chimps communicate.
:00:20. > :00:24.Petra Kvitova was crowned women's champion yesterday
:00:25. > :00:27.and the battle for the men's title is about to start on
:00:28. > :00:33.2011 winner Novak Djokovic faces Grand Slam ace Roger Federer
:00:34. > :00:36.Federer is going for his eighth Wimbledon title and says
:00:37. > :00:51.We always play good matches against each other and we have played a lot
:00:52. > :00:56.recently in the last six months. It has gone back and forth. I am very
:00:57. > :00:57.happy. I am extremely happy to be in another final.
:00:58. > :01:00.And to find out more about the two finalists head over to
:01:01. > :01:03.So Brazil or Germany along with either
:01:04. > :01:05.the Netherlands or Argentina are just 90 minutes away from playing
:01:06. > :01:10.They've all booked their place in the semis of the tournament.
:01:11. > :01:14.Here's a roundup of another weekend of incredible football.
:01:15. > :01:17.No one expected Costa Rica to get this far but they have their
:01:18. > :01:24.goalkeeper Keylor Navas to thank for keeping World Cup dream alive.
:01:25. > :01:28.But it wasn't long until the Netherlands were on the attack.
:01:29. > :01:30.They held out for 90 minutes hoping their legs would carry
:01:31. > :01:37.But after a goalless 120 minutes the Dutch goalkeeper Tim Krul was
:01:38. > :01:44.brought on as a sub and made two saves as they won 4-3 on penalties.
:01:45. > :01:46.So the Netherlands will play Argentina on Wednesday
:01:47. > :01:51.Lots of focus will be on Leo Messi and when he does stuff
:01:52. > :01:59.His fancy footwork confused Belgium and Gonzalo Higuain scored
:02:00. > :02:06.the game's only goal after just eight minutes.
:02:07. > :02:08.There was another chance for Argentina to score again
:02:09. > :02:15.in the second half, much to the disbelief of their manager.
:02:16. > :02:17.The Brazil team know they have a tough task ahead
:02:18. > :02:23.as they prepare for their semi against Germany on Tuesday.
:02:24. > :02:26.Superstar Neymar, ruled out because of injury, has spoken about being
:02:27. > :02:33.disappointed he won't be playing but thanked everyone for their support.
:02:34. > :02:36.Whatever happens, over the next few days this is a World Cup we're
:02:37. > :02:44.Also today, the British Grand Prix has started at Silverstone.
:02:45. > :02:47.A crash has delayed the race but Nico Rosberg is
:02:48. > :02:49.in pole position with Briton's Jenson Button in second place.
:02:50. > :02:53.It's also a special weekend for the track because it's the 50th time
:02:54. > :02:58.Jenny got to have a nosey round behind the scenes with a group
:02:59. > :03:20.300,000 people right here for one weekend. Watching cars race up to
:03:21. > :03:26.180 mph. The British Grand Prix at Silverstone is a pretty big deal. It
:03:27. > :03:29.has not always been a smooth ride. As more modern state-of-the-art
:03:30. > :03:34.circuits have appeared in Formula One, the future of the British Grand
:03:35. > :03:40.Prix looked uncertain after a few upgrades the British Grand Prix will
:03:41. > :03:47.be held here until at least 2027. That is good news for these kids who
:03:48. > :03:51.live nearby. Bidding together one of the most famous races in the world
:03:52. > :03:55.is a huge operation and ahead of the 50th Grand Prix here at Silverstone
:03:56. > :04:03.these guys are taking a look behind the scenes. We are in the drivers'
:04:04. > :04:14.briefing room were Mike all of the drivers come before the race to hear
:04:15. > :04:21.about any safety issues. We are in the control room. I am going to have
:04:22. > :04:31.a go at checking with one of the guys on the track. Race control,
:04:32. > :04:35.give us a wave. It is the only place in Britain that has a Formula One
:04:36. > :04:40.circuit so I am proud to have it based here. You can walk down and
:04:41. > :04:45.the race is just there. It is a really good idea beating it in
:04:46. > :04:51.Silverstone because people can just work here and then watch it.
:04:52. > :04:54.Organisers hope that by showing kids behind the scenes they can inspire
:04:55. > :05:01.the next Lewis Hamilton of the future.
:05:02. > :05:03.Now, helicopter rescues don't get much more dramatic than this.
:05:04. > :05:06.A stranded hiker was found clinging on to the side of a steep cliff,
:05:07. > :05:08.above a lake in Washington state in America.
:05:09. > :05:10.The man had become stuck after falling.
:05:11. > :05:13.Rescuers put him into a harness and pulled him to safety
:05:14. > :05:17.Some people say actions speak louder than words.
:05:18. > :05:19.Well, that may be true of chimpanzees, too.
:05:20. > :05:22.Scientists from Scotland studied wild chimps in East Africa.
:05:23. > :05:25.They say they've translated 66 different silent gestures used
:05:26. > :05:28.by the animals to communicate with each other.
:05:29. > :05:30.In this clip, a mother raises her foot to tell her
:05:31. > :05:38.Other examples spotted include reaching out a hand to beg, and
:05:39. > :05:43.And finally, to sport of a different kind.
:05:44. > :05:46.It's the Wife Carrying World Championships in Finland, where
:05:47. > :05:49.men race to complete a gruelling 250-metre long course while
:05:50. > :05:54.It was won by this couple who crossed the
:05:55. > :06:02.Newsround's back tomorrow morning from 7:40am.
:06:03. > :06:06.It's official. Some people just don't get it. Blah, blah, blah.
:06:07. > :06:09.You don't actually need a telly to watch telly. Duh.
:06:10. > :06:15.This summer you can watch your shows whenever you want... Fantastic.
:06:16. > :06:23.Use a tablet, laptop or mobile to watch live,
:06:24. > :06:27.or just catch up on anything you've missed.
:06:28. > :06:31.So, no telly? No problem. You've got it. CBBC iPlayer.