Jordana Cepelewicz

Staff Writer

Neurons and astrocytes
Abstractions blog

The Oldest Mini-Brains Have Lifelike Young Cells

August 29, 2017

“Organoid” brain tissue models grown in a lab for two years can help scientists study a critical period of development just before and after birth.

Lion, leopard, tiger
evolution

Interspecies Hybrids Play a Vital Role in Evolution

August 24, 2017

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
genetics

Beating the Odds for Lucky Mutations

August 16, 2017

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

July 19, 2017

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

July 12, 2017

New techniques expose unexpected diversity within seemingly uniform tissues.