Knight's Sword burmite “Re-Os Isotopic Constraints on the

“Re-Os Isotopic Constraints on the Crystallizations History of IIAB Iron Meteorites

Dendritic agate is a beautiful gemstone that has been infused with fracturing bands of manganese oxide

The sixth extinction: An unnatural history

and all manner of dinosaurs were able to digest and absorb precious nutrients from this group of plants

The Triceratops’ jaws came together to form a sharp curved beak

Knight's Sword burmite “Re-Os Isotopic Constraints on theThe Knight's Sword made its debut in the Fourth Edition of the Mini Museum. We are happy to offer a larger piece as a stand alone item! Above: Front of the specimen card Though many battles raged throughout the "long thirteenth century" of the High Middle Ages, scholars often refer to this century as a time of relative peace. This did not mean knights could retire on their estates. Eager kings looking to extend their authority continued military