Ferrous sulfate and cobalt chloride crystals with droplets of immersion oil.
Images by Steven Nagar.
A cross section of a mouse tongue visualized with in situ hybridization.
Image by Jim Pretorius.
A ten-times view of a cross section of bamboo.
Image by Ron Sturm.
Endothelial cells from a human umbilical cord.
Image by Jakob Zbaeren, Insel Hospital.
Fluoxetine, commonly known as the antidepressant Prozac, dissolved in aminopyridine, a drug used in the treatment of multiple sclerosis.
Image by Lars Bech.
A view of cadmium sulfide quantum dots used for the imaging of cellular processes and understanding the pathology of particular diseases.
Image by Dev Chatterjee.
The scales from the leaves of Elaeagnus angustifolia, a silvery shrub commonly known as a Russian olive.
Image by Robin Durham.
A scanning electron microscope view of a uranium fluoride, a byproduct of the nuclear fuel cycle.
Image from Pacific Northwest National Laboratory.
A piece of melted metal on silicon—decorated with a dust particle—resembles an Easter bonnet about half the diameter of a human hair.
Image by Qiangfei Xia, Princeton University.
The interface reactions of olivine forsterite, a subterranean mineral, with supercritical carbon dioxide containing water. This image was taken in order to understand how carbon dioxide and greenhouse gases are naturally stored in underground locations.
Image by Bruce Arey, Andy Felmy, Odeta Qafoku, Zheming Wang, and Nathan Johnson.