Electron microscope manufacturer FEI recently partnered up with National Geographic for a photography contest in which all images must have been taken with with an electron microscope, allowing audiences to "discover unseen aspects of their everyday lives". The contest, entitled Explore The Unseen, ran for five months and during that time more than 230 images were submitted, which you can now browse here.
Top image: Embryonic zebrafish by David McCarthy
Aphid on a Leaf by Karin Whitmore
Mosquito Egg by Francisco Rangel
Pre-Solar Grain from a Meteorite by Zia Rahman
A Morpho Butterfly Wing by Gerald Poirier
A "Water Bear" by Oliver Meckes
Nano Swimmers by David McCarthy