A type of lipid found in the tissues of humans and other animals.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...

Here's the story of how life was like in the 13 British American colonies. Once upon a time, there were 13 British colonies along the east coast of North America. Today we classify these colonies into three groups: 1) The New England...

Once upon a time, African nations fought each other, as nations tend to do throughout history. After a victory, an African nation would often enslave many of the enemies it had captured. Most of these enslaved Africans, from various...