About 60 million years ago (or so) during the Paleocene epoch, a towering coiled shell sea gastropod roamed a shallow sea that is now where...

Above is a diagram of a North African Atrypa reticularis from the Middle Devonian Period.  It is on display at the Museum of Natural Histo...

In early March 2010 I sent a number of samples to ASPEX Corporation to be imaged with a Personal Scanning Electron Microscope (PSEM).  It w...