30/04/2014 Newsround


30/04/2014

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Hi, guys. Ayshah here with news of why these cities are sinking on the

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way, plus... Why people are worried this whale is

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about to explode. You've got to keep watching Newsround.

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First to a warning that more needs to be done to stop some of the

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world's biggest cities from sinking into the sea. A new study found that

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the ground in some places near the ocean is much lower than it was just

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a few years ago. Here's Martin with more.

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New Orleans, Bangkok, Jakarta... Home to millions of people and some

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of the biggest and busiest cities in the world. Another thing they have

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in common though, is the world. Another thing they have

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all sinking. Scientists who carried out the study focused on five

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coastal cities and say in some areas land is sinking ten times faster

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than the sea level is rising. In North Jakarta, in Indonesia, the

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city has sunk four metres in the last 35 years. It can happen

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naturally but scientists say in this case one of the main reasons is

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manmade. Some cities get their drinking water

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from deep underground. They pump it to the surface but this has the

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effect of making the land dropped down. Tokyo is the capital of Japan

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and it went down two metres. Countries who want to follow Tokyo's

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example, would need to find a new way of sourcing water - something

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that's not always easy to do. So is this sinking something that can

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affect all areas near the sea? In the UK, the situation is

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different. In southern England and London, the land is going down by

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two millimetres a year but this has more to do with the way the land is

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relaxing. In Jakarta, they've built a sea wall

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to try to protect them - which helps keep flood water out but that

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doesn't stop the city sinking. Scientists say that measures like

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these will need to move quickly if the cities are to avoid serious

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problems in the coming decades. Next, if you ever argue with your

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brother or sister over who does best at school then listen up. New

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research suggests that kids born first in a family are more ambitious

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than their younger siblings when it comes to studying and going on to

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things like college and university. The study of 1,500 children

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suggested it might be because parents spend more time with their

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first kids than their later ones. Leah spoke to some of you about it.

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You are the oldest, first-born. Do you think that you are smarter than

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your sister? I think I am. I think it is a stereotype and I don't think

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it is true. Who is better at studying? My sister. Everyone is

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different and some people might like studying while other people might

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want to do something else. I work harder than my sister.

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And loads of you have been having your say on the Newsround website

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today. Rebecca's told us, "I'm more ambitious than my brother. He's 13

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and I'm ten, yet I go for things more." And Sarah says, "I don't

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think that it's true because I have a younger sister who is fourth born

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and she's much smarter than her older siblings." Thanks for those

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comments, guys. Now, you might want to stop eating

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if you're in the middle of your tea, because this story is a little bit

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"urgh". People in Canada are desperate for a dead whale, washed

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up on their local beach to be moved, because they say it could explode at

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any moment. Watch this. Washed up on Canada's Newfoundland

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Island this blue whale is attracting a lot of attention. Most dead whales

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sink to the bottom of the ocean and decompose naturally. But when this

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doesn't happen, they can wash up on the shore and be very tricky to deal

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with. At over 30 meters in length, it's the largest animal on earth, so

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there's lots of stuff that has to decay. The sea creatures the whale

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has eaten before it died will be breaking down inside it's stomach,

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and as this happens, gasses - such as carbon dioxide - are released

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which create a build up of pressure. This pressure inside builds up like

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a balloon, and eventually, if there is no release, it will pop causing a

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mini explosion, which is what locals are worried about. At over 60 tonnes

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in weight it's a big task to try and move it, so politicians and local

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people are still trying to figure out the best course of action before

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it pops. Finally, to part of a space rocket

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found in the middle of a rainforest. A fisherman in a remote part of the

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Amazon in Brazil found debris the size of a car floating in a river.

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It's from a rocket used to launch a UK satellite nearby last year.

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Brazil has now asked the UK Space agency to come and pick it up.

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You can see more pictures of that on the Newsround website now. We're

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back at 6:50pm.

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