Platinum-Group Elements--So Many Excellent Properties
This group includes platinum, palladium, rhodium, ruthenium, iridium, and osmium. Find out how we use them and where they come from 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...