Featured Videos for the Week of October 6, 2014

Featured Videos for the Week of October 6, 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 the concept of zero, Nikola Tesla, the Ebola virus and more? Start exploring.

06:44

Key Facts In This Video

  • 1

    Categorically, zero is an even number. (1:19)

  • 2

    In Florence during the Crusades, the use of the number zero was banned because it was thought to be connected to the devil. (2:28)

  • 3

    Instead of using a symbol for zero, Babylonians would insert a space. (5:01)

05:23

Key Facts In This Video

  • 1

    Cheetahs are the fastest land animals on Earth. (0:22)

  • 2

    See slow-motion footage of a running greyhound: (1:45)

  • 3

    Cheetahs are better than greyhounds at increasing the frequency of their strides. (3:54)

03:06
See all

Flight

Japan

Neurology

Time

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