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    Video thumbnail: Your Inner Fish Amazing Places, Amazing Fossils: Lucy

    Your Inner Fish

    Amazing Places, Amazing Fossils: Lucy

    Don Johanson recounts the discovery of an iconic human ancestor in Ethiopia.

    Amazing Places, Amazing Fossils: Lucy

    Video thumbnail: Your Inner Fish The 500-Million-Year History of the Human Brain

    Your Inner Fish

    The 500-Million-Year History of the Human Brain

    Biologist Peter Holland shows us how much we have in common with a wormy little animal.

    The 500-Million-Year History of the Human Brain

    Video thumbnail: Your Inner Fish Your Aching Back: A Gift from Your Ancient Ancestors

    Your Inner Fish

    Your Aching Back: A Gift from Your Ancient Ancestors

    As Bruce Latimer explains, our evolutionary history has some consequences for our back.

    Your Aching Back: A Gift from Your Ancient Ancestors

    Video thumbnail: Your Inner Fish Meet Your Cousins: Squirrel Monkeys

    Your Inner Fish

    Meet Your Cousins: Squirrel Monkeys

    Our relationship to living primates can be seen in their anatomy and genes.

    Meet Your Cousins: Squirrel Monkeys

    Video thumbnail: Your Inner Fish Episode 3: Your Inner Monkey Preview

    Your Inner Fish

    Episode 3: Your Inner Monkey Preview

    Find out which traits our primate progenitors bequeathed to us.

    Episode 3: Your Inner Monkey Preview

    Video thumbnail: Your Inner Fish Ancient Human Ancestors: Walking in the Woods

    Your Inner Fish

    Ancient Human Ancestors: Walking in the Woods

    "Ardi" changed our understanding of how our ancestors first started walking on two legs.

    Ancient Human Ancestors: Walking in the Woods

    Video thumbnail: Your Inner Fish The Human Hand: A Gift from Ancient Primates

    Your Inner Fish

    The Human Hand: A Gift from Ancient Primates

    Meet an ancient primate with a hand eerily similar to your own.

    The Human Hand: A Gift from Ancient Primates

    Video thumbnail: Your Inner Fish How Do We Know When Our Ancestors Lost Their Tails?

    Your Inner Fish

    How Do We Know When Our Ancestors Lost Their Tails?

    Paleontologist Holly Dunsworth shows us fossil evidence for the disappearance of our tail.

    How Do We Know When Our Ancestors Lost Their Tails?

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