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    Exhibit C: Chemicals.
    0:50

    Exhibit C: Chemicals.

     8.89K  views
    So how can we find the culprits behind this disaster?
    0:38

    So how can we find the culprits behind this disaster?

     5.29K  views
    Beekeepers have occasionally reported mass disappearances since the 19th century.
    0:35

    Beekeepers have occasionally reported mass disappearances since the 19th century.

     7.69K  views
    Disease parasites or starvation a typical crime scene.
    0:44

    Disease parasites or starvation a typical crime scene.

     7.59K  views
    It's an environmental puzzle that begins with a seemingly trivial detail.
    0:32

    It's an environmental puzzle that begins with a seemingly trivial detail.

     7.6K  views
    We've seen a 90 percent decline in most penguin species around the world.
    0:35

    We've seen a 90 percent decline in most penguin species around the world.

     7.63K  views
    Although humans may be the penguins' biggest threat.
    0:24

    Although humans may be the penguins' biggest threat.

     7.67K  views
    There have also been several large oil spills over the past 50 years.
    0:35

    There have also been several large oil spills over the past 50 years.

     7.63K  views
    Sadly, most of this decline is due to human activity.
    0:41

    Sadly, most of this decline is due to human activity.

     7.72K  views
    This is despite penguins spending 75% of their lives at sea.
    0:48

    This is despite penguins spending 75% of their lives at sea.

     7.67K  views
    But contrary to popular belief, they are not limited to cold regions.
    0:34

    But contrary to popular belief, they are not limited to cold regions.

     7.65K  views
    First, they're one of the few birds that can't fly.
    0:41

    First, they're one of the few birds that can't fly.

     7.68K  views
    Penguins have long captured the imagination and hearts of people around the world.
    0:38

    Penguins have long captured the imagination and hearts of people around the world.

     7.62K  views
    Most of the more than 22 billion chickens in the world today are factory farmed.
    0:47

    Most of the more than 22 billion chickens in the world today are factory farmed.

     7.55K  views
    But the chicken's greatest contribution to science is yet to come.
    0:30

    But the chicken's greatest contribution to science is yet to come.

     7.56K  views
    Over the next few centuries, chickens followed humans wherever they went.
    0:42

    Over the next few centuries, chickens followed humans wherever they went.

     7.46K  views
    Around the same time the Egyptians were hatching eggs.
    0:32

    Around the same time the Egyptians were hatching eggs.

     7.49K  views
    When a hen incubates her eggs naturally, she stops laying new ones.
    0:28

    When a hen incubates her eggs naturally, she stops laying new ones.

     7.46K  views
    The earliest domestic chickens date back at least 7,000 years.
    0:33

    The earliest domestic chickens date back at least 7,000 years.

     7.4K  views
    Bamboos in the area produce large amounts of fruit only once every few decades.
    0:27

    Bamboos in the area produce large amounts of fruit only once every few decades.

     7.36K  views
    The chronicle of Thutmose Il, king of ancient Egypt, describes a wonderful foreign bird.
    0:40

    The chronicle of Thutmose Il, king of ancient Egypt, describes a wonderful foreign bird.

     9.52K  views