A scanning electron microscope image of spider silk glands making a thread originally from Dennis Kunkel Microscopy.
Large white butterfly egg (Pieris brassicae)
Human embryo in the eye of a needle.
Diatom. Coloured scanning electron micrograph (SEM) of the surface of the mineralised cell wall (frustule) of an unidentified diatom
Human being. Coloured scanning electron micrograph (SEM) of a human at the 16-cell stage on the tip of a pin. Yep, you once looked like that. :-)
Human bone under Scanning Electron Microscope
Swine Flu Virus