paleontology

How and When Spines Changed in Mammalian Evolution

by Harvard University
Research reveals how a combination of developmental changes and adaptive pressures in the spines of synapsids laid the groundwork for the diversity of backbones seen in mammals today

Mushrooms Are Older Than We Thought

by Universite Libre de Bruxelles
A group of researchers has discovered a new mushroom fossil—the oldest to ever be identified from its molecular composition

Animal Embryos Evolved before Animals

by University of Bristol

When and how animal ancestors made the transition from single-celled microbes to complex multicellular organisms has been the focus of intense debate