This study provides convincing evidence for functional subpopulations of β-cells responsible for Ca2+ signal initiation and maintenance using novel three-dimensional light sheet microscopy imaging and ...

Medically reviewed by Renita White, MD Inverted nipples (sometimes called retracted nipples) sink inward or appear flat instead of protruding outward. This condition affects 10-20% of people, ...

Nikon's annual Small World competition showcases images of a world that humans can't usually see, as captured through the lens of a microscope. Each year, rigorous science and dazzling artistry ...

From spines on neurons to pollen on an insect’s eye, the winners of Nikon’s Small World photo contest offer a kaleidoscopic glimpse into a tiny world. These water fleas (Daphnia sp.) can ...