Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Scientists digging out samples of fresh minerals from an experiment to determine microbial interaction with fresh minerals and microbial effects on mineral weathering. Pictured MC Leewis (PostDoc) and Jane Manning (student volunteer).
Public Domain.
