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> From: NOVA <[log in to unmask]>
> To: NOVA Online Mailing List <[log in to unmask]>
> Subject: NOVA: "The Perfect Pearl"
> Date: Monday, December 28, 1998 2:11 AM
>
> NOVA presents "The Perfect Pearl"
> http://www.pbs.org/nova/pearl/
> Date: December 29, 1998
> Time: Check local listings for broadcast date and time.
>
> Pearls are back in fashion. For thousands of years humans have speculated
> about the mystery of the pearl, a unique gem produced by a living animal
> that requires no mining, extraction, cutting, or polishing to reveal its
> beauty. NOVA travels around the world to exotic locations where rare
> pearls are harvested by divers, and to farms where huge numbers of pearls
> are grown. Will the cultured pearls ruin the value of those grown in the
> wild? From the depths of the ocean to the riches of Fifth Avenue NOVA
> revels in the luster of these desirable gems.
>
> Here's what you'll find online:
>
>     "What's Killing the Oysters?"
>     Since 1994, something has been mysteriously killing off the Akoya
>     oysters of Ago Bay, the heart of Japan's cultured-pearl business.
>     Find out what may be to blame.
>
>     "Culture of Freshwater Pearls"
>     The least expensive cultured pearl product today rivals the quality
of
>     the most expensive natural pearls ever found, and many of them are
>     freshwater from China.
>
>     "How Many Pearls?" (Hot Science)"
>     You've just stumbled on a treasure chest filled with pearls and you
>     want a quick estimate of the number, without having to count them one
>     by one. Dive into this activity and find out how to estimate your
>     treasure.
>
>     "History of Pearls
>     Long known as the "Queen of Gems," pearls possess a history and
allure
>     far beyond what today's wearer may recognize. Explore the rich
history
>     of this organic gem.
>
> Plus Resources and a Teacher's Guide.
>
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