Stories by James Dinneen

James Dinneen is a science and environmental journalist in New York City. He is currently working on a book about Earth's deep interior. Find more of his work at jamesdinneen.wordpress.com

A close-up of a clear, polished diamond with small specks that look like bubbles but are small bits of minerals

EcologyMay 14, 2026

Deep-Earth diamonds reveal trove of never-before-seen minerals

Flecks of minerals captured in diamonds show hidden connections between Earth’s surface and its deep interior

James Dinneen

Person sitting at a table with a plate of food in front of him.

GeneticsJanuary 1, 2022

Gene Variant May Have Helped Ancient Humans Survive Starvation

When there’s no food, it pays to be small

James Dinneen