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  • Could mutant mosquitoes stop the dangerous Zika virus?

  • Hi. I’m Carl Azuz, and that’s what’s first up on our show today.

  • Zika, as weve told you, can dramatically harm the unborn babies of pregnant women.

  • But mosquitoes also carry malaria, yellow fewer, West Nile virus.

  • The insects are responsible for more human deaths than any other animal on the planet.

  • And so far, people have been unsuccessful in exterminating them long term.

  • Now, scientists are considering waging biological and genetic warfare against mosquitoes.

  • One option would infect them with bacteria that would stop the growth of viruses,

  • like Zika, inside mosquitoes.

  • Another would use gamma radiation to sterilize male mosquitoes

  • to keep them from reproducing with females.

  • A third possibility: genetically modified male mosquitoes to pass a deadly gene to wild female mosquitoes.

  • Critics say all of these ideas have major problems.

  • They're expensive. Theyre not proven to work.

  • There are concerns about how they’d impact the environment, or the people living in it.

  • An environmentalist with Emory University says

  • it’s possible these methods could become useful tools,

  • though not a silver bullet in fighting off man’s deadliest enemy.

  • Call them stargazers, sun seekers, say the moonlights in their eyes.

  • Thousands of people in the Pacific island nation of Indonesia

  • looked up Wednesday morning to view a total solar eclipse.

  • This is when the moon moves directly between the earth and the sun.

  • The best view was on the Indonesian island of Sumatra,

  • but the event was partially visible from Hawaii to Malaysia to Australia.

  • The next total solar eclipse is expected on August 21st of next year,

  • and would be visible in a narrow part of the U.S.

  • Watching as the moon blocks out the light from the sun,

  • it can be hard to imagine the amazing cosmic coincidence taking place.

  • The sun’s diameter is some 400 times larger than the moon’s,

  • but it’s just the right distance away to appear the same size.

  • For a couple of minutes when the sun and moon are perfectly aligned,

  • the moon completely covers the sun’s disc.

  • The sun’s atmosphere or corona can be seen in the dim light, along with stars and planets.

  • This so-called totality only exists in a narrow band,

  • where the moon’s shadow falls on the Earth.

  • Outside this zone, some observers can see a partial eclipse,

  • where it looks like a chunk has been taken out of the sun.

  • It’s not a phenomenon that will last forever.

  • The moon is slowly moving away from the Earth,

  • and one day, it will appear too small in the sky to cover the sun completely.

  • If you are lucky enough to see this incredible spectacle,

  • remember, never look directly at the sun, even with everyday sunglasses.

  • You risk causing permanent damage to your eyes.

  • You know why yesterday’s transcript page was awesome,

  • because it’s where we found these three schools for our "Roll Call".

  • Were starting in Quezon City.

  • It’s in the island nation of the Philippines, and it’s where Far Eastern University is watching.

  • Next, to Platinum, Alaska, the miners are here today.

  • Hello to everyone at Arviq School.

  • And our third mention goes to Christian County High School. It’s in Hopkinsville, Kentucky.

  • Were saluting the Colonels.

  • Several parishes in the U.S. state of Louisiana are under a flash flood emergency.

  • As of yesterday morning, theyve gotten between eight and fourteen inches of rain

  • in a short amount of time, with another three to five inches possible by this morning.

  • Dozens of homes were evacuated.

  • Part of Interstate 20 was shut down.

  • It’s because of a slow-moving storm system that’s soaking areas in nine states, from Texas to Illinois.

  • When severe weather strikes, the leading cause of death isn’t tornadoes or hurricanes.

  • It’s flooding. And drivers are in serious danger.

  • Anytime we have major flooding events, very heavy rainfall,

  • unfortunately, the images are all too common of cars being swept right off the road,

  • many times, the drivers still inside and water rescues taking place.

  • It only takes a little bit of water to carry your car off the road.

  • In fact, six inches of water will sweep you, me off of our feet.

  • One foot of water will float your car

  • and it only takes two feet of water to completely wash your car away.

  • That’s why we say it’s so important to turn around, don’t drown.

  • You don’t know how much water is there.

  • Do not drive through it, cause it could be deadly.

  • On the eastern coast of mainland Japan, there are ghost towns,

  • contaminated by radiation.

  • Some of the houses clearly show the damage of the earthquake that struck five years ago,

  • on March 11th.

  • Some were entirely swept away by the tsunami,

  • the wall of water that washed in from the Pacific afterward.

  • Tomorrow, on the actual anniversary, were taking you inside one of these abandoned towns.

  • Today, an overview from a drone.

  • Five years after Japan’s tsunami.

  • The town of Namie remains desolate.

  • Houses were swept away by a 15-meter wave,

  • triggered by a magnitude-9.0 earthquake.

  • Almost 20,000 people died or disappeared.

  • But the wave wasn’t the worst of it.

  • The Fukushima Daiichi nuclear plant went into meltdown,

  • vital cooling systems failed

  • Radiation leaked into the surrounding area.

  • Food was no longer safe.

  • Water undrinkable.

  • Contaminated soil now sits in thousands

  • and thousands of plastic bags.

  • No one lives in the town of Futaba anymore.

  • Damaged houses remain abandoned.

  • Former residents can only visit for up to 5 hours.

  • There is a 20 kilometer exclusion zone.

  • Thousands still live in temporary housing five years on.

  • Many fear they will never leave.

  • Maybe you’d have to compete against a brother or a sister before,

  • maybe youve just helped yours trained.

  • The Brownlee brothers are living that to the extreme.

  • For one thing, theyre triathletes, competitors in an excruciating test of endurance.

  • For another, they took home gold and bronze medals in their sport in the last Olympics,

  • the first time brothers stood on a podium together in an individual sport since 1908.

  • My name is Jonny Brownlee. I won bronze in the London 2012 Olympic Games.

  • My name is Alistair Brownlee. I’m the current Olympic and Commonwealth champion.

  • Triathlon is a sport where you do three sports, obviously.

  • You swim first. You then bike. And then you run.

  • You have to change your equipment along the way and that’s all kind of part of the race.

  • Everything we did, from running around in the garden,

  • laying badminton or football or cricket, everything we did, probably even doing the tidying up.

  • I think our parents taught us to be in outdoors.

  • The fact when you go outside, you can explore new roads.

  • Even now, you find new roads.

  • Just loving being outside, I mean that could

  • Each of us wants to win, and there’s only one person that can win.

  • But when we actually start a race, I've got a feeling that it’s a kind of us as a little team against everyone else.

  • It’s team tactic that were both doing our kind of aims jointly,

  • but it’s not like one sacrifices their performance to live another day.

  • Were very, very competitive and we both want to win.

  • But we know that if we help each other for the swim and the bike and even parts of the run,

  • that’s our best chance of getting a good result.

  • But once it comes down to the last part of the run, you know,

  • all those bets are off and were just racing to win basically.

  • Not far from Hawaii, a remotely operated underwater vehicle

  • was recently more than two miles under the sea when it cruised up to this,

  • a type of octopus never seen before and a type that’s never been observed this deep.

  • The National Oceanic and Atmospheric Administration says

  • this animal doesn’t have the type of pigment most other cephalopods have,

  • which gives it a ghost-like appearance.

  • So, there’s an online push to get it named "Casper" because -- awesome.

  • Of course, there’s no way to know if it’s friendly.

  • It could be eight-arm the dangerous, that question could haunt scientists for a while.

  • But as far as characteristic goes, there’s no question it’s deep.

  • Well never know if it pigment to be discovered. I’m Carl Azuz, plumbing the deeps of puns.

Could mutant mosquitoes stop the dangerous Zika virus?

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March 10, 2016 - CNN Student News with subtitle

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