New research is significantly revising a widely cited evolutionary model, the Inhibitory Cascade Mode (ICM). Benjamin Auerbach, professor in the Department of Ecology and Evolutionary Biology at the ...

Viruses, cells and cancer challenge one of biology’s simplest questions: what exactly makes something alive? Examining these systems reveals why the boundary between living and nonliving may be ...

Microorganisms—bacteria, viruses and other tiny life forms—may drive biological variation in visible life as much, if not more, than genetic mutations, creating new lineages and even new species of ...