Christie Wilcox

Art for "What’s in a Name? Taxonomy Problems Vex Biologists"
taxonomy

What’s in a Name? Taxonomy Problems Vex Biologists

Researchers struggle to incorporate ongoing evolutionary discoveries into an animal classification scheme older than Darwin.

Art for "Researchers Rethink Ancestry of Complex Cells"
evolution

Researchers Rethink the Ancestry of Complex Cells

New studies revise ideas about the symbiosis that gave mitochondria to cells and about whether the last common ancestor of all eukaryotes was one cell or many.

Tiny parasitoid wasps
evolution

Moonlighting Genes Evolve for a Venomous Job

An unexpected mechanism allows wasps to rapidly co-opt genes for new toxic functions.

evolution

The Thorny Truth About Spine Evolution

A definitive explanation for why plants evolved spines remains elusive, and human biases compound the problem.