BrainStuff

BrainStuff

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BrainStuff episodes

  • BrainStuff Classics: How Old Is the Number Zero?
    An analysis of the ancient Indian Bakhshali manuscript suggests the numerical symbol zero, as we use it today, may be centuries older than previously believed. Learn more in this classic episode of BrainStuff.
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    5 min
  • What Do the Numbers on Interstate Signs Mean?
    American interstates aren't given those numbers randomly. Learn how information is coded into every number -- and how this high-speed road system got its start -- in today's episode of BrainStuff.
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    9 min
  • What's the Largest Lake in the World?
    Siberia's Lake Baikal is so massive that it contains islands that have their own lakes. Learn about this ocean in the making, its amazing wildlife, and the myths about it in today's episode of BrainStuff.
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    7 min
  • How Do Hurricanes Get Their Names?
    Hurricanes weren't always given names. Learn how the tradition began and how the names rotate from year to year in this episode of BrainStuff.
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    6 min
  • Who Were the First Cowboys?
    The cowboy is an American icon, but the profession originated with Native American workers tending Spanish horses and cattle in Central America. Learn about the vaquero in this episode of BrainStuff.
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    7 min
  • What Were the World's Last Woolly Mammoths?
    Early humans did help hunt woolly mammoths to extinction, but the last surviving pockets of these animals were remote from humans. Learn more about them in this episode of BrainStuff.
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    5 min
  • How Do Trebuchets Work?
    Trebuchets are a type of catapult that crushed castles in the Middle Ages. Learn how these siege engines helped kingdoms wage war in today's episode of BrainStuff.
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    10 min

About BrainStuff

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Whether the topic is popcorn or particle physics, you can count on BrainStuff to explore -- and explain -- the everyday science in the world around us.