For more than 150 years, scientists have debated whether Prototaxites—which stood roughly 24 feet tall and 3 feet wide—were an early lichen or fungus, like a “giant mushroom” Colin Schultz ...

Ion transport is the movement of ions across a membrane, passively through ion channels or actively through ion pumps such as symporters and antiporters. Iron and manganese are essential nutrients ...

For example, last year smoke from Canadian wildfires ... And the dating of the find suggests that not only did these fungus-like creatures live in a dark and cavernous world devoid of light ...