The single-celled parasite Entamoeba histolytica infects 50 million people each year, killing nearly 70,000. Usually, this wily, shape-shifting amoeba causes nothing worse than diarrhea. But sometimes ...

A video capturing the movement of Arcella as it travels across a glass surface. The scale bar represents 50 μm, and the playback speed is 10×. An international team of researchers led by Hokkaido ...

A single-celled organism squirming about in the searing waters of California's Lassen Volcanic National Park has just set a record for heat tolerance. The newly named Incendiamoeba cascadensis – ...