Image: Electron and Confocal Microscopy Laboratory, Agricultural Research Service, U. S. Department of Agriculture. The Best Memorial Day Mattress Deals (and Bedding, Too!) There’s still plenty ...

“We should not be using American diplomacy for partisan political purposes,” a State Department official critical of Pompeo’s upcoming address told Vox.

The resulting snowflake imagery is an artful invitation to researchers ... "Biological samples, polymers and other soft materials can be imaged and investigated under the scanning electron microscope, ...

The precise nature of the shape created depends upon the temperature and the humidity. Snowflakes with long needles-like arms form in warmer temperatures, while very circular ones are created in ...

and how temperature and electric charges interact to produce snowflakes' stunning variety. To capture and inspect snow crystals up close, he uses a high-quality, low-power photo-microscope that he ...

Image: Top row: A Blu-Ray disc's 100- and 200-nanometer grooves under a Scanning Electron Microscope (left). The same grooves are visible using microspheres with a light microscope (right).