When I was in Paris, Notre Dame Cathedral was a definite stop. I decided to go up in one of the towers. It is quite a wait to get up to the...

Here is a fossil that is sold in the United States described as an Archean butterstone from the Greenstone Belt of South Africa. The rock is...

The Smithsonian magazine museumday is Saturday, September 26, 2009. Find out more at this website . "Enjoy free general admission for ...