Mitochondria are very well known as the powerhouses of the cell. Generally speaking, all eukaryotes, including plants, fungi, and animals, are made of cells that contain mitochondria. These organelles ...

In the world of microbes, organisms like viruses and bacteria get a lot of attention. But now, researchers are beginning to study other unicellular life forms, like archaea, and protists. Protists ...

Carly Allen-Fletcher has drawn a picture of the Big Picture, turning her imagination to the six classifications of life forms that scientists call kingdoms: plants, animals, fungi, protists, bacteria ...