The 11 best videos of the week

ISIS' surprisingly advanced bureaucracy
ISIS' surprisingly advanced bureaucracy

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    ISIS' surprisingly advanced bureaucracy

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ISIS' surprisingly advanced bureaucracy 02:06

Story highlights

  • How does ISIS govern?
  • Robert Downey Jr. isn't the only celebrity to walk out of an interview

(CNN)Living under ISIS. Selling Girl Scout cookies. And giving some lip -- like Kylie Jenner.

These are the best videos of the week.

1. The ISIS society

    In the West, ISIS is widely known for its terrorist actions. But for some communities, the group is the local governing authority, picking up garbage and directing traffic. CNN's Atika Shubert explains how ISIS functions as a state.
    The video is at the top of this story.

    2. Should Girl Scouts stop selling cookies?

    It's an annual tradition: Girl Scouts sell cookies -- and, in the millions, we buy them. But is this the best way for them to raise money? CNN's Richard Roth asks about a sweet tradition that's leaving some with a bitter taste.
    Watch the video:
    Should Girl Scouts stop selling cookies?
    Should Girl Scouts stop selling cookies?

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      Should Girl Scouts stop selling cookies?

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    Should Girl Scouts stop selling cookies? 01:43

    3. Pot, meet pop

    The use of marijuana has long been a source of controversy, but on movies and TV shows, it's also long been a source of humor. CNN's Lisa France has a blunt look at the herb in pop culture.
    Watch the video:
    See pop culture's memorable pot moments
    420 marijuana pop culture lisas desk orig mg_00001625

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      See pop culture's memorable pot moments

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    See pop culture's memorable pot moments 02:03

    4. Two degrees of separation -- from disaster?

    Many climate scientists believe that an increase of 2 degrees Celsius in the global average temperature could be the tipping point for climate change. CNN's John D. Sutter takes a measure.
    Watch the video:
    2 degrees Celsius: A critical number for climate change
    2 degrees Celsius: A critical number for climate change

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      2 degrees Celsius: A critical number for climate change

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    2 degrees Celsius: A critical number for climate change 01:16

    5. A genuinely scary 'Blob'

    Back in the '50s, "The Blob" was a low-budget horror/sci-fi film. Today, it's reality, as "blobs" of warm water in the Pacific Ocean may be having an impact on storms and marine life. CNN's Jennifer Gray takes a look.
    Watch the video:
    Pacific Ocean's 'Blob' concerns scientists
     Blob Pacific Ocean Warm Waters Weather Jennifer Gray_00000915

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      Pacific Ocean's 'Blob' concerns scientists

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    Pacific Ocean's 'Blob' concerns scientists 01:26

    6. A real-life Kermit?

    A newly discovered frog has a distinct resemblance to a certain "Not Easy Being Green" Muppet, Kermit the Frog. Kermit himself noted the similarities. So what is this amphibian?
    Watch the video:
    Newly discovered frog looks like Kermit
    Newly discovered frog looks like Kermit

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      Newly discovered frog looks like Kermit

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    Newly discovered frog looks like Kermit 01:01

    7. Giving some lip

    In another attempt to keep up with the Kardashians, some children and teens are using suction to make their lips look just like Kyle Jenner's.The #KylieJennerChallenge hasn't escaped notice.
    Watch the video:
    #KylieJennerChallenge: What are kids doing to lips?
    newday kylie jenner challenge daily hit _00003118

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      #KylieJennerChallenge: What are kids doing to lips?

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    #KylieJennerChallenge: What are kids doing to lips? 01:34

    8. Cold shoulder

    "Iron Man" Robert Downey Jr. was distinctly flinty when dealing with the questions of a British interviewer. He finally walked out -- and he hasn't been the only one to decide to take off his microphone.
    Watch the video:
    Jaw-dropping interview walk-offs
    high profile walk offs robert downey jr naomi campbell joan rivers paris hilton whoopi goldberg orig_00000930

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      Jaw-dropping interview walk-offs

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    Jaw-dropping interview walk-offs 01:04

    9. Drones on the water

    You've heard of drones in the air. Now the Pentagon is working on drones at sea -- and they could be valuable tools in tracking enemy ships.
    Watch the video:
    Stealthy enemy submarines can't hide from this ....
    anti-submarine drone ship us navy orig _00011803

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      Stealthy enemy submarines can't hide from this ....

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    Stealthy enemy submarines can't hide from this .... 01:27

    10. When can police shoot?

    Recent incidents have brought attention to the question of when police are allowed to use deadly force. CNN legal analyst Sunny Hostin looks at the laws for law enforcement.
    Watch the video:
    When can police shoot?
    When can police shoot?

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      When can police shoot?

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    When can police shoot? 01:55

    11. Youth and the first lady

    Michelle Obama is 51 years old -- but she certainly doesn't look it, particularly in the eyes of one youngster.
    Watch the video:
    Little girl to Michelle Obama: You're too young for 51!
    michelle obama age young girl origwx_00003412

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      Little girl to Michelle Obama: You're too young for 51!

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    Little girl to Michelle Obama: You're too young for 51! 00:38