Using a tiny, spherical glass lens sandwiched between two brass plates, the 17th-century Dutch microscopist Antonie van Leeuwenhoek was the first to officially describe red blood cells and sperm cells ...

Influenza viruses are among the most likely triggers of future pandemics. A research team from the Helmholtz Center for Infection Research (HZI) and the Medical Center—University of Freiburg has ...

How much does life weigh? It sounds like a strange question, but to biologists it makes all the sense in the world. Yeast cells tip the scales at about 100 picograms each. A single E. coli bacterium ...

For the first time, researchers at Umeå University, Sweden, can now show how the dreaded poliovirus behaves when it takes over an infected cell and tricks the cell into producing new virus particles.

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 reproduce ...