Extras

    Video thumbnail: Science Trek Snakes Video Short

    Science Trek

    Snakes Video Short

    Snakes hold a special niche in nature. Learn more about snakes in this video short.

    Snakes Video Short

    Video thumbnail: Science Trek The Web Show: Snakes

    Science Trek

    The Web Show: Snakes

    Find out more about snakes and their role in our world.

    The Web Show: Snakes