Featured Videos for the Week of November 3, 2014

Featured Videos for the Week of November 3, 2014

To feed your desire to learn something new every day, we've carefully curated a collection of fascinating videos for you to discover throughout the week. Curious about how the Internet works, vampire bats, Ouija boards and more? Start exploring.

00:52
13:32

Key Facts In This Video

  • 1

    Optophobia is the fear of opening your eyes. (0:08)

  • 2

    If the sun is less than six degrees below the horizon, it is civil twilight. (4:45)

  • 3

    The Dunning-Kruger effect is a novice overestimating their knowledge and abilities in an area because they don't even know how little they know. (9:25)

05:28

Key Facts In This Video

  • 1

    A web-cache server acts as a "holding tank" for the most frequently accessed things on the Internet. (0:42)

  • 2

    When you search for things online, you are connecting your IP address to another IP address, similar to two phone numbers connecting for a conversation. (3:58)

  • 3

    "HTTP" stands for hypertext transfer protocol. (4:18)

03:14

Key Facts In This Video

  • 1

    Whale sharks can weigh up to 30 tons, or 60,000 pounds. (0:07)

  • 2

    In February, whale sharks migrate to warm waters, like Venezuela, to feast on plankton. (0:49)

  • 3

    Whale sharks sometimes serve as protection for smaller fish against predators. (1:36)

02:14
05:59

Key Facts In This Video

  • 1

    The Ouija Board came out of the age of spiritualism in America. (0:01)

  • 2

    The earliest image of a Ouija Board appeared in the New York Herald Tribune in 1886. (1:00)

  • 3

    When Parker Brothers marketed the Ouija Board for the first time in 1967, it outsold Monopoly. (3:12)

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