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  • A new week of international events coverage starts right now,

  • it starts right here. This is CNN Student News.

  • First story takes us to the nation of Turkey.

  • Yesterday thousands of people gathered in Turkish cities nationwide

  • to mourn the victims of a terrorist attack.

  • It was the deadliest in Turkish history.

  • And it happened during a peace rally Saturday in the capital of Ankara.

  • Police believe two suicide bombers detonated their weapons in a crowded area.

  • At least 95 people were killed,

  • hundreds of others were wounded, some critically.

  • No one has claimed responsibility for the blasts yet,

  • but they could deepen divisions in an uneasy Turkish society.

  • The country's been dealing with a number of issues.

  • Europe's historic refugee crisis, the threat of international terrorism.

  • Another is tension between Turkey's different ethnic groups.

  • Turks compose about 70 to 75 % of their country's population.

  • Ethnic Kurds make up just under 20 %, other minorities around 10 %.

  • These attacks happened at an event

  • designed to show unity among Turkey's ethnic groups.

  • The country's prime minister says the blasts were an attack on that unity.

  • Next up, the war in Afghanistan is the longest conflict

  • the US military has even been involved in.

  • It started under President George W. Bush on October 7th, 2001,

  • less than a month after the September 11th terrorist attacks on the US.

  • Why Afghanistan? Its rulers at that time, a group called the Taliban,

  • were giving the Al- Qaeda terrorist group a safe place to operate.

  • Al- Qaeda was responsible for the attacks on the US.

  • During a campaign event in 2012,

  • President Barack Obama said he'd set a timetable

  • to bring all US troops home from Afghanistan by 2014.

  • But 10, 000 American forces remain there today

  • along with unique challenges for the US military and its commander- in- chief.

  • In many cases the Afghan conflict has become the forgotten US war.

  • President Obama declared the end of US combat operations last year.

  • Our combat mission in Afghanistan is over.

  • U. S. forces, especially air forces and special forces

  • have been in action supporting Afghan forces and the Afghan government

  • really is desperate for U. S. forces to stay.

  • That's one of the reasons you've not heard much condemnation

  • of the attack on the hospital from the Afghan government.

  • So, the current US endgame is to end the war

  • and get out by the time President Obama leaves the Oval Office in January 2017.

  • Obama's options basically are, to keep to the plan,

  • to leave a thousand troops just protecting the US Embassy in Kabul

  • by the time he ends his presidency.

  • Or to allow a larger number of troops to stay in the country,

  • perhaps 5 or 6, 000 to continue to train

  • and assist the Afghan military and to conduct counter- terrorism operations.

  • This is not just a strategic decision for the President,

  • it's a very political one.

  • The central rationale of his campaign in 2008

  • was to get US troops home from intractable foreign wars.

  • We can end this war in Iraq, but also end the mindset that got us in the war.

  • He also said that the Afghan war was the right war for United States to fight,

  • and he pledged to win it.

  • We should be in Afghanistan going after Al- Qaeda, not in Iraq.

  • It would be quite a political climb- down for the President

  • to have to decide to leave US troops in Afghanistan

  • and to pass the war onto his successor.

  • Well, it's officially fall in the Northern hemisphere.

  • Yes! That also means it's flu season.

  • No. It starts in fall but peaks in January and February.

  • Between 5 and 20 % of US residents get the flu each year,

  • and the US government says the best prevention is the flu shot.

  • But it's not perfect.

  • The vaccine covers a few different strains of the flu virus.

  • If scientists pick the wrong strains or if the virus mutates,

  • as they say it did last year, the shot is considerably less effective.

  • We called the doctor for some flu fact and fiction.

  • You can't get the flu from the flu shot.

  • It's a dead virus, it can't actually cause flu.

  • A lot of people feel sort of crummy afterward.

  • It's because the flu vaccine is actually working

  • and making your immune system fire up,

  • get ready and recognize if it actually sees the flu how to kill it.

  • No, it's not 100 % fail- safe,

  • but it's still going to offer a lot of protection

  • so that you're not going to be as sick,

  • as likely to get sick, or if you do get sick have a shorter duration.

  • So if you're like me, your mom probably said don't go outside

  • in the cold without your hat on you're gonna catch the flu.

  • You can't catch the flu from just simply being outside in the cold.

  • But it does raise the question.

  • Why are there so many more flu cases in the winter months?

  • You're likely to stay indoors more.

  • So if one person is sick, more people are likely to get sick.

  • The sun is lower in the sky, and as a result you have less vitamin D

  • actually being produced in your body.

  • Your immune system starts to get suppressed a little bit.

  • You're more likely to get sick with the flu.

  • The winter months tend be lower humidity.

  • Viruses like the flu virus, they like lower humidity.

  • They're likely to live longer. So your mom may have been right.

  • I mean, look, moms are always right.

  • But maybe not for the reasons you originally thought.

  • Thanks to all of you who are patiently requesting a roll call mention at CNNStudentNews. com.

  • We had almost 1400 comments on Friday's transcript.

  • One came on from Arnold Public High School.

  • It's in Arnold, Nebraska, the South Loop Bobcats.

  • In Prineville, Oregon it's great to see the Colts today

  • watching from Crook County Middle School.

  • And in the nation of Vietnam, hello to our viewers at the American International School.

  • They're in Ho Chi Minh City.

  • So there's an outer space treaty.

  • It's a United Nations agreement that went into effect 48 years ago.

  • It basically says that space exploration should be for the benefit of all countries,

  • that no one nation can claim an asteroid or planet for its own use,

  • and that space objects should be used for peaceful purposes.

  • This might all factor in if we start mining asteroids.

  • Life in space is happening.

  • But if we wanna deeper into the dark and possibly colonize planets,

  • it's going to take more than rockets and space suits.

  • Our best chance at life in space may just be asteroids.

  • Asteroids are something to worry about threatening the earth.

  • But in truth, actually, they are the greatest opportunity that we have.

  • Chris Lewicki is an aerospace engineer who is obsessed with space.

  • He's helped NASA land two rovers on Mars.

  • He and his company,

  • Planetary Resources, are confident asteroids hold the passport to the cosmos.

  • We're focused on a single task,

  • finding resources in asteroids

  • and bringing those resources to a market

  • that's gonna start here in low Earth orbit and grow into the solar system.

  • These are more than just chunks of rock.

  • Many are packed with metals that Lewicki wants to mine for building materials.

  • In fact, many of Earth's most valuable metals can also be found in asteroids.

  • But the real treasure Lewicki's hunting is water.

  • The discovery of oil and the way that it transformed the 20th century,

  • we see the water and the fuel on asteroids as providing

  • that same transformational capability for the 21st century.

  • They idea is to build orbiting gas stations

  • that harness the sun's power to split water into liquid oxygen

  • and liquid hydrogen that would then be used for rocket fuel.

  • That way, spaceships wouldn't have to carry all of their fuel with them,

  • and could top off at these cosmic filling station,

  • allowing them to go even deeper into space.

  • Asteroid mining sounds kinda like a sci- fi fantasy. How realistic is this?

  • What's possible is inevitable.

  • Everything that was once sci- fi had to change at some point in time.

  • There are a lot of people who are skeptical

  • that you guys are gonna be able to pull this off,

  • that asteroid mining will become a reality.

  • I think they're right to be skeptical.

  • But it takes those people who do believe that will happen,

  • to find out how to make it happen.

  • Space mining won't be cheap,

  • but some of the world's richest see the potential,

  • and have invested in the company.

  • We're programmed to go places we've never been,

  • find refuge on land we've never touched.

  • Could asteroid mining as impossible as it seems

  • help us reach the frontier that seems most out of reach?

  • It might not seem too unbelievable to hear

  • that a bulldog recently chased some bears off a family's porch.

  • Here's the kicker, it's a French Bulldog,

  • a 20- pounder versus three young bears,

  • one of them estimated to be 100- pounder.

  • The owner of this home in Southern California says

  • bears often come down from the foothills in search of food,

  • and that some neighbors actually break the law and feed them.

  • But Jewels the French Bulldog, guard dog,

  • and now bear dog is an unbearable

  • and an un- bear- lievable embarrassment to bears.

  • It's totally un- bear the way she brings to bear a bear- ocious attitude

  • on her new er- ssignment. I'm Carl Azuz

  • and I can't bear to bring you all any more puns.

A new week of international events coverage starts right now,

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October 12, 2015 - CNN Student News with subtitle

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