Niobium and Tantalum--Indispensable Twins
What are niobium and tantalum? How do we use them? Where do they come from? Find the answers in a new, 2-page fact sheet.
Trichinosis and Toxoplasmosis
Two recent USGS circulars describe the causes and prevention of Trichinosis (a disease transmitted through ingestion of infected meat) and Toxoplasmosis (a widespread human disease that originated in wildlife). Circulars are targeted to the general public.
Biology, Geography, Geology, Water, and much more...