discovered two new species of unicellular organisms in the lakes of Asia. The new organisms have the largest number of nucleotide substitutions among cases known to science, the press service of ...

For a creature made up of only a single cell, the stentor is a giant. This trumpet-shape organism is among the largest unicellular organisms, stretching as long as a sharpened pencil ...

The first life forms to appear on Earth were unicellular, i.e., composed of a single cell, such as yeast or bacteria. Later, animals—multicellular organisms—evolved, developing from a single ...