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Video Of The Day: Space Shuttle Challenger Explodes Live On National Television

30 years ago today, NASA’s Space Shuttle Challenger lifted off at 11:38 a.m. EST from Cape Canaveral, Florida. There were seven crew members onboard, including five NASA astronauts and a 37-year-old high school social studies teacher named Christa McAuliffe, who was on her way to becoming the first U.S. civilian to travel into space.

NASA pronounced the space mission to be incredibly safe, after having spent 25 years sending Americans into space, at an average pace of about twice a year. It was because of this level of safety and confidence that they decided to grant the first non-astronaut the privilege to enter outer space.

This is also one of the biggest reasons why the Challenger’s explosion 73 seconds after takeoff shocked the hundreds on the ground at cape Canaveral, including McAuliffe’s family, and the rest of the world as the tragedy unfolded on live television. Not a single crew member survived.

The fateful explosion was, at its root, caused by a faulty O-ring, a small gasket that sealed one of the shuttle’s rocket boosters. Without the functioning seal, pressurized, burning gas from within the rocket leaked out, met with the fuel in the external tank and caused the explosion.

CNN was the only national news station to broadcast the mission, and their video above is the original coverage of the historic disaster at the very moment it happened.

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Meet The New, More Diverse Barbie Dolls

Barbie Doll

New Barbie body types include tall, curvy and petite. Image Source: Mattel

Barbie dolls have “evolved”: Boasting four body types, seven skin tones, 22 eye colors, 24 hairstyles and “countless on-trend fashions,” the new Fashionista dolls represent the “biggest change in Barbie’s 57-year history,” according to Time.

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Why Is Iowa First? A Quick History Of The Caucuses

Every four years, Iowa becomes the most important state in the Union. But why?

Iowa Caucus Barack Michelle Obama

Barack and Michelle Obama in one of their final campaign stops before the 2008 Iowa Caucuses. Source: Luke Vargas

For four decades, Iowans have had an out-sized privilege: They get the first say in who will become the presidential nominees for the Republican and Democratic parties. As a result, presidential candidates like Hillary Clinton and Bernie Sanders dote on the state for months, making promises—and taking votes in Congress—that disproportionately benefit Iowans. The question is, how did this frosty state of three million people get this leg up on the other 315 million of us? Why is Iowa first?

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Video Of The Day: Witness All Of History’s Economic Collapses In 6 Minutes

On average, the United States experiences an economic crisis of some sort every nine years.

But, of course, economic crisis isn’t a uniquely American phenomenon (even if the dire state of our savings accounts nowadays suggests otherwise). Economic booms and busts have always shaped history the world over, from the Roman Empire to the present. When you look back at history’s great economic crises, you realize that today’s troubles are just another rock in the riverbed.

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