 Image Number D182-42 |
After pouring plastic resin into the hole of an earthworm and excavating the soil around the mold that formed, soil scientist Martin Shipitalo observes the plastic replica of the worm’s burrow.
Photo by Peggy Greb.
An official website of the United States government
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.