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  • New information in the search for a missing passenger plane, but still no closure for families.

  • This is CNN STUDENT NEWS.

  • There`s little hope and a lot of grief for the families of 239 people.

  • That was the number onboard Malaysian Airlines Flight 370, which disappeared early Saturday morning.

  • Word came out yesterday from Malaysia`s government that somehow the plane`s transponder was turned off.

  • That`s an instrument that transmits altitude, location and direction.

  • That`s an instrument that transmits altitude, location and direction.

  • Malaysia`s air force was still able to track the flight as it apparently turned,

  • and flew over the Straits of Malacca, hundreds of miles off course.

  • Unfortunately, that`s where the answers end.

  • As of last night, there was still no sign of the plane.

  • We can show you what it`s like to search the area near the plane`s last known location.

  • This is no easy task.

  • This C-130 plane has been carrying out regular search and rescue missions since flight MH- 370 disappeared.

  • It`s the first time the minister for defense and transportation and the chief of defense force have been out to survey this massive operation.

  • They invited CNN to join them.

  • I have to put this life jacket on because we are now descending to just 500 feet above sea level.

  • Lying low, the doors are opened for the search to begin.

  • We flew past the number of ships, scouring the sea for the plane, those on board or any clues at all to what`s happened.

  • I just want to find the plane, you know, at all costs and as long as we are still standing and as long as people are out there,

  • praying for us, we will continue to persevere, and this is something that I will not stop.

  • This is what I promised to families.

  • This is what I promised to families.

  • We flew to the Malacca Straits to the west of Malaysia.

  • For 16 ships surveilling this area, that`s more than 12,000 nautical square miles.

  • They are joined in the air by 14 air crafts.

  • And that`s just the area to the west of Malaysia.

  • There are more than 30 aircraft and more than 40 ships in the entire operation.

  • As we look how to cross these vast expense of water, far into the horizon, holding his hat in his hands,

  • the minister tells me he`s over overwhelmed.

  • When you are looking for something, this - sea, it`s a reality check.

  • I have to find, what a huge craft like a triple seven, but we must never, never give up hope.

  • What`s next today, their countries may be at odds politically, but cooperation is strong in the space program.

  • After five months on the international space station, an American, a Russian, and a native of Crimea made it safely back to Earth together on Tuesday.

  • There is no space shuttle program, so you might be wondering how they got here.

  • Well, here we go -they got onboard the Soyuz, a Russian space capsule, and rode it back toward the Earth.

  • The Soyuz has a shield that protects it from the heat of re-entering Earth atmosphere.

  • Once it`s there, a small parachute deploys, slowing the capsule down, then a larger one slows it further.

  • And about two seconds before touchdown, some engines fire making the landing as soft as possible.

  • NASA pays Russia`s space agency to transport American astronauts two and from the space station.

  • Each trip costs the U.S. $71 million.

  • You might not be familiar with the name Tim Berners-Lee, but you probably can`t imagine life without his invention.

  • You used it to view the show: The World Wide Web appeared on the scene 25 years ago today

  • and it made accessing the Internet a lot easier for untold numbers of people.

  • But even in the mid-1990s, when there were some actual pages on it, they were sparse,

  • think black or gray text on a white background, maybe a couple of low resolution pictures.

  • It was slow.

  • You want to visit a web page, be patient, it would load minute or two, or five.

  • Even six years after the Web was introduced, only 14 percent of American adults had Internet access.

  • Now, it`s more than 77 percent of all Americans.

  • Time for the Shoutout. Which of these has the most influence over your sleep cycle?

  • If you think you know it, shout it out! Is it your respiratory system, circadian rhythm, sebaceous glands or cerebellum?

  • You`ve got three seconds, go!

  • The circadian rhythm is your 24 hour cycle of human activity, which includes sleeping and waking.

  • eeping and waking.

  • Of course, we all try to modify and master our circadian rhythm, but researcher say, there is really not much we can do to change it.

  • It`s closely tied into the sun.

  • When it`s up, our bodies released hormones that make us more awake and alert.

  • When it sets, hormones tell us it`s time to start shutting down.

  • The doctors say if you get too far off track from your natural circadian rhythm, it will throw your body out of whack.

  • It can increase your chances of getting sleep disorders, obesity, diabetes.

  • It might even contribute to mental health issues.

  • And as far as your students are concerned, some research has shown that those with unnaturally early start time,

  • so figure those who have to be awake before the sun is up, don`t do as well academically as those who start a little later.

  • We love global news, we love global schools.

  • Here, just a few of those watching in this World Wide Wednesday Roll Call.

  • First up, hello to the students of Ibaraki High School. They are watching from Osaka, Japan.

  • Next, we are headed to Linz, Austria. The students of Bor Glintz (ph) on Panara (ph) Strasse. Glad to see you.

  • And in the nation of Tanzania, we some viewers at Icorongo Secondary school. Thank you for watching in Mara.

  • Palm oil is something you`ll find in everything from crackers to microwave popcorn, to shampoo.

  • It is the most widely used vegetable oil on the planet.

  • Mars Incorporated, the maker of Snickers, Skittles, (INAUDIBLE), Lifesavers, Five Gum, says from here on out,

  • it`s only going to use palm oil that`s obtained without hurting the environment.

  • One way to do that is by planting oil palm trees and making sure that much of the palm oil they produce goes to good use.

  • But there`s another way to get the ingredient.

  • One that`s more harmful for the environment, one that involves deforestation.

  • What does that matter?

  • Deforestation is the practice of cutting down forests for various different reasons, but it`s fundamentally cutting down trees and living behind a vast open wasteland.

  • Deforestation is most common in countries like Brazil, Indonesia and Mexico, Papua New Guinea, and Russia

  • The main causes of deforestation can be classified into three categories.

  • Basically, industrial uses, chopping down the forest to build factories or to build residential areas.

  • The second one is agriculture.

  • So cutting down forest in order to grow, for example palm oil plantatio

  • Agricultural deforestation can also be caused by non-food crops, for example, paper plantations.

  • And the third cause is life stock.

  • So, in many places, for example, in Brazil, deforestation is caused by farmers clearing the land to create pasture land for cows.

  • Deforestation can happen on a lot of different scales.

  • It can be anything from illegal squatting, a dozen folks in local village using small rudimentary chainsaws and cutting down the trees and then,

  • of course, on the other end of the spectrum is massive industrial scale.

  • Deforestation, when they bring in lots of heavy machinery for advanced technology, and they can go in and clear forest in a very short amount of time.

  • Deforestation affects the environment in two main ways

  • trees, of course, absorb carbon dioxide and as human beings put more and more carbon dioxide into the atmosphere,

  • the more trees we cut down, the more we hinder the ability of the planet to balance how much carbon is in the atmosphere.

  • But another impact of chopping down forests is, of course, reducing the habitat for animals to live in.

  • Every year over thousand different species go extinct around the world.

  • That is a conservative estimate, and a big chunk of that happens because of deforestation.

  • Follow the leader - a boy and his bear.

  • It sounds like some sappy children story, but it seemed to play out in real life,

  • when a boy and a bear who is much bigger started imitating each other at a zoo.

  • Not something we`d recommend anyone ever try without the glass,

  • and we are not entirely sure the bear is just having fun instead of trying to catch lunch.

  • But it`s not every day the two get to play and no one gets hurt.

  • I just don`t think anyone can bear to watch that.

  • Even what we just saw is just barely bearable.

  • They do seem to make a fine bear, no harm is brought to bear.

  • There is no sign of beardom, but though it`s made for possum (ph) video, a clawsome encounter, the boy would have just been (INAUDIBLE) for asking, what`s our sign?

  • We`ll have more tomorrow, if you can bear it.

New information in the search for a missing passenger plane, but still no closure for families.

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March 12, 2014 - CNN Student News with subtitles

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