U.S. Department of Agriculture Beltsville Electron Microscopy Unit
Information Subscription Resource - Proxy Access CUNY Access

Browseable online collection of high resolution images from the Electron and Confocal Microscope Unit; using the scanning and transmission electron microscopes, the collection contains images of the surface of biological and physical materials unaltered by preparative procedures. Browse by categories including snow crystal, mites and ticks, and more.

Resource URL: http://emu.arsusda.gov/