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Why do honeybees love hexagons? - Zack Patterson and Andy Peterson

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    Honeybees are fascinating creatures for a number of reasons:
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    their incredible work ethic,
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    the sugary sweet syrup they produce
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    and their intricate social structure.
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    But another reason is that honeybees are, in fact,
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    excellent mathematicians.
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    Scientists claim the tiny insects can calculate angles,
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    and can even comprehend the roundness of the Earth.
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    But there's particular mathematical bee genius
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    behind the most important aspect of honeybee life: the hive.
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    Just like humans, bees need food and shelter to stay alive.
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    The hive is not only the bees' home,
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    but doubles as a place to store their honey.
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    Since it's so central to survival,
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    honeybees have to perfect the hive's architectural design.
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    If you examine any piece of honeycomb,
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    you'll see that it's constructed from
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    tightly packed hexagonal, or six-sided, cells.
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    Of all the possible designs,
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    why do honeybees choose this one?
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    To understand, you need to think like a bee.
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    Bees need a secure place for their entire colony to live.
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    Similarly, there needs to be a place
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    where their nectar can be stored and ripened suitably
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    until it turns into honey.
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    That means there's a need for some serious space efficiency.
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    A good solution is to build little storage units, or cells,
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    just big enough for a bee to fit into,
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    which can also double as the containers in which nectar is stored:
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    The bees' very own honey jars.
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    The next thing, is to decide what the little cells should be made out of.
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    Bees don't have beaks or arms to pick up things,
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    but they are capable of producing wax.
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    The thing is, producing it is a lot of hard work.
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    Bees have to consume 8 ounces of honey
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    to produce just 1 ounce of wax.
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    So they don't want to waste it.
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    So, they need a design that allows them to store
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    the largest possible amount of honey
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    using the least amount of wax.
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    What shape does that?
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    Imagining for a minute that all bees had to
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    attend architecture academy and go to math class.
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    Let's say they asked their geometry teacher,
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    "What shape would give us the most space to store our honey,
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    but require the least amount of wax?"
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    And then geometry teacher replied,
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    "The shape that you're seeking is the circle."
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    Leaving the bees to return to their trial constrution site
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    and begin building their honeycomb using circular cells.
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    After a while, some of them might have noticed
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    a problem with their design:
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    small gaps between the cells.
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    "We can't even fit in there! That's wasted space!"
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    they might have thought.
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    So, ignoring the geometry lesson,
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    and taking matters into their own hands,
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    the bees went back to the drawing board
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    to rethink their beehive design.
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    One suggested triangles,
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    "We can use triangles. Look! They fit together perfectly."
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    Another bee suggested squares.
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    Finally, a third bee piped up and said,
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    "Pentagons don't seem to work, but hexagons do!
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    We want the one that will use the least amount of wax
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    and be able to store the most amount of honey.
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    Yes, I think that's the hexagon."
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    "Why?"
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    "It looks more like the circle than the others."
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    "But how do we know for sure?"
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    To find out, the industrious insect architects
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    calculated the areas of the triangle, the square and the hexagon
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    and found that the hexagon was, in fact,
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    the shape that gave them the most storage space.
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    They agreed on an ideal size and returned to work.
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    The space efficient comb that is a bee's trademark today,
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    is probably the result of this trial and error,
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    but over long periods of evolutionary history.
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    However, it paid off.
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    Peek into any hive --
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    with your protective goggles and netting on, of course --
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    and you'll see the end result: a beautiful compact honeycomb
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    that any architect would have be proud to design.
Title:
Why do honeybees love hexagons? - Zack Patterson and Andy Peterson
Description:

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Video Language:
English
Team:
closed TED
Project:
TED-Ed
Duration:
03:59

English subtitles

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