She wants to compare tree pollen from a modern forest killed by acid rain with fossil pollen found in Permian rocks. Like a homicide detective at a crime scene, Looy sealed the cone in a plastic ...

They focused on rocks from different types of land ... after the marine extinction event that marked the end of the Permian period. The authors stated: "Our results suggest that the terrestrial ...

ANOTHER part of Dr. Anton Fritsch's well-known work upon the Vertebrate fauna of the Permian rocks of Bohemia has lately appeared, and the description of the fishes is thus commenced. The nature ...