Topic 1

What was found to be the cause of the devastation of the Panamanian golden frog? How is the disease spread from continent to continent?

Topic 2

Where were the first bones of a mastodon discovered and by whom? What were some of the initial theories about the animal that the bones belonged to?

Topic 3

What book did Charles Darwin read with great interest? What probably compelled Darwin in the development of his theory of natural selection?

Topic 4

What did Walter Alvarez find in the gorge called Gola del Bottaccioine? How did his findings change his belief as a uniformitarian and how did they change life as seen in the rear view mirror?

Topic 5

What occurrence in the Cambrian period was of great interest to scientists and biologists? Describe what Gondwana was and how it has evolved.

Topic 6

What is the Anthropocene era and why do many scientists...