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The images and videos you see at the site have been created at the Microscope Imaging Station at the Exploratorium and include everything from cancer cells to dividing sea urchin eggs. Resources for educators are included.

With all the news of the Swine flu outbreak and eventhough flu is caused by a virus - here is a really good resource about bacteria on your hands.

This blog post discusses how many bacteria can be found on your hands and that there are differences in men and women. In addition, ideas for integrating these ideas into middle school science classrooms are provided.