The photomicrograph shows a hydrothermal graphite–pyrite vein in a highly sheared, metasomatized metapelite host rock viewed under both reflected and transmitted light (image dimensions ...

The images are now part of the Smithsonian Libraries and Archives. Smithsonian Institution Archives Wilson Bentley Photomicrograph of Stellar Snowflake No. 332 Smithsonian Institution Archives Wilson ...

The remaining austenite then transforms to pearlite as the sample is cooled further, however the proeutectoid ferrite is stable and remains in the final polycrystalline material. This is illustrated ...

Climate change has the potential to make fungi even more hazardous to our health, according to research at Duke University.