Learn how one-celled organisms, or single-celled organisms, helped build complex life.

Blacksburg, Va. – In 3.5 billion years, life on earth went from single microscopic cells to giant sequoias and blue whales. Scientists have now documented quantitatively that the increase in maximum ...

Metacaspases, ancestral homologues of the caspase family, are pivotal cysteine proteases found in a wide range of unicellular organisms, including yeasts, algae, and phytoplankton. These enzymes ...

Recent studies have increasingly challenged the traditional view that cognitive processes are exclusively the domain of organisms with nervous systems. Research into slime molds and other unicellular ...