Jordana Cepelewicz

Staff Writer

Lion, leopard, tiger

Interspecies Hybrids Play a Vital Role in Evolution

Hybrids, once treated as biological misfits, play a vital role in the evolution of many animal species. Now conservationists are trying to reconcile that truth with policies.

Evolving bird

Beating the Odds for Lucky Mutations

If DNA repair makes useful mutations more likely, it could accelerate cells’ adaptations to harsh environments.

Virus Hamiltonian Path
molecular biology

The Illuminating Geometry of Viruses

Mathematical insights into how RNA helps viruses pull together their protein shells could guide future studies of viral behavior and function.

GFAP staining in glial cells, neurofilament protein in axons and DNA in cell nuclei
Abstractions blog

Cell Atlases Reveal Biology’s Frontiers

New techniques expose unexpected diversity within seemingly uniform tissues.