This confocal microscope image shows midbrain neurons (red) co-expressing the mu-opioid receptor (Oprm1, white) and cannabinoid receptor 1 (Cnr1, green). The interaction of these two reward pathways ...

Confocal microscopy image of a nine-day-old human embryo. Specific proteins and cellular structures have been coloured in the image: OCT4 (green), which is related to embryonic stem cells; GATA6 ...

Through the lens of a microscope, even a dirty windowsill can hold some of nature’s tiniest treasures. A staged snapshot of a rice weevil spreading its wings on a grain of rice won first place in the ...

A University of Arizona Comprehensive Cancer Center researcher received a $2.4 million National Cancer Institute grant to develop a noninvasive, confocal microscope to examine nerve endings of cancer ...