A Moment of Science

Posts tagged pyrite

March 7, 2014

 

Trilobite fossil

A Change In The Air

Most of us take our oxygen-rich atmosphere for granted. Once upon a time, though, Earth's air was very different.

August 31, 2012

 

egyptian painting

Why Did Cleopatra Wear Makeup?

Over five thousand years ago, the ancient Egyptians used eye shadow, not only for cosmetic but practical purposes as well.

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