Human fibroblasts are cells that provide the structure of many tissues. In this image, these cells can be seen spreading within a semi-interpenetrating network (semi-IPN) made of a polymer ...
A green tree frog (hyla cinera) rests inside a yellow trumpet pitcher plant (Sarracencia flava) in Francis Marion National Forest. The pitcher plant attracts insects which often become trapped ...
The fluorescence image was taken by a Zeiss LSM 510 confocal scanning microscope. It shows the cross sections of approximately fifty HT-29 colon cancer cells labeled with lipophilic dye Dil. ...
An unknown iron corrosion product; a formation from an archaeological artifact, soaking in a caustic solution.
Crystal in the Sludge