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Pearl Diving – History of Pearls

By |2018-04-08T11:21:51+00:00June 8th, 2017|Clothing|

A pearl inside an oyster Very early in human history, maybe around 100,000 years ago, many people lived along the coasts of Africa and lived mainly on seafood - seaweed, fish, clams, mussels, and oysters. This gave people a very easy, reliable (and delicious) food source. A mother-of-pearl necklace from Ancient Egypt(ca. [...]

Food in ancient China – rice and tea

By |2019-01-23T20:33:31+00:00June 6th, 2017|China, Food|

Chinese food Chinese food: rice Rice was the first grain that people farmed in China, and rice is such a basic food in China that the Chinese words for "cook" and "eat" both include the word for "rice". At first people picked wild rice. But people were farming rice along the Yang-tse River [...]

What are mollusks? What’s a cephalopod? Biology and Evolution

By |2018-04-16T08:32:28+00:00May 26th, 2017|Biology|

Evolution of mollusks: Slugs are a kind of mollusk. When did the first mollusks appear? Mollusks are animals like mussels, clams, snails and slugs. Their name means "soft", because mollusks don't have any skeletons. The first mollusks probably evolved from early segmented worms around 500 million years ago.  That was in the Cambrian period. At [...]