Featured Videos for the Week of October 27, 2014

Featured Videos for the Week of October 27, 2014

To feed your desire to learn something new every day, we've carefully curated a collection of fascinating videos for you to discover today. Curious about laughter, Diwali, conspiracy theories and more? Start exploring.

03:47

from Brain Stuff

Key Facts In This Video

  • 1

    The average person laughs 17 times a day. (0:31)

  • 2

    The origins of laughter may lie in a sigh of relief expressed by our ancient ancestors after a frightening incident. (1:58)

  • 3

    Laughter helps us to relax by shutting off a valve that transports stress and adrenaline throughout the body. (2:40)

03:07

Key Facts In This Video

  • 1

    The stronger the individual's beliefs and attitudes toward policies and personal freedoms, the more vulnerable they are to believe conspiracy theories. (1:12)

  • 2

    Conspiracies usually can't be proven true or false, either way. (1:59)

  • 3

    The overproduction of dopamine boosts paranoia, a behavior exhibited by some conspiracy theorists. (2:27)

03:36

from MinutePhysics

Key Facts In This Video

  • 1

    For every particle, there is an equal and opposite anti-particle. (0:23)

  • 2

    It's difficult to make anything big out of anti-matter since it annihilates when it meets matter. (1:31)

  • 3

    No one knows why the Big Bang produced more matter than antimatter. (2:48)

04:18

Key Facts In This Video

  • 1

    Everything in the universe heavier than hydrogen was made from a star. (1:02)

  • 2

    Supernovae can generate enough heat to fuse together some of the heaviest elements, creating massive waves of energy. (2:11)

  • 3

    Every person is made of approximately 53 percent water. (2:49)

03:17

Key Facts In This Video

  • 1

    Kangaroos are one of few marsupials who give birth to unprotected young, without the usual eggshell. (0:16)

  • 2

    As a baby kangaroo grows, the nutrients in the mother's milk changes according to how old the "Joey" is. (1:47)

  • 3

    After about a year and nine months, the joey is ready to be independent and no longer returns to his mother's pouch. (3:01)

03:06

Key Facts In This Video

  • 1

    Diwali means "festival of lights" and commemorates the victory of lightness over evil and dark. (0:23)

  • 2

    Families attend ceremonies at temples together wearing their best, most colorful outfits. (1:41)

  • 3

    Displays of fireworks are common at the end of the festival. (2:37)

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