Pictured are 8 brachiopod fossils from the Paleozoic Era for sale . All were collected, cleaned and labeled by me. The fossils span about...

The Academy of Natural Sciences of Philadelphia, Pennsylvania is hosting a fossil festival February 19 & 20, 2011 from 10 AM till 5 PM ...

I have been working on a procedure that visitors to the Louisville Science Center can use to learn about calculating specific gravity of ...