PNAS Science Sessions
Quantum computing

Quantum computing

January 7, 2019

Christopher Monroe discusses recent developments in quantum computing.

Fur grooming in cats

Fur grooming in cats

December 17, 2018

Alexis Noel and David Hu describe the unusual properties of a cat's tongue.

Biodiversity loss in Haiti

Biodiversity loss in Haiti

December 3, 2018

Blair Hedges discusses the state of Haiti's remaining forests and the consequences to biodiversity.

Mapping the galactic plane in X-rays

Mapping the galactic plane in X-rays

November 15, 2018

Chryssa Kouveliotou describes her efforts to compile a detailed X-ray map of the galactic plane.

Ancient Maya salt industry

Ancient Maya salt industry

November 5, 2018

Heather McKillop explores the Maya salt industry.

Social mobility across generations

Social mobility across generations

October 22, 2018

Mike Hout explains why social mobility is becoming more difficult in the United States.

Paintbrush for butterfly wings

Paintbrush for butterfly wings

October 15, 2018

Robert Reed explains genetic controls on butterfly wing colors.

Nondestructive sampling of cell contents

Nondestructive sampling of cell contents

September 24, 2018

Nick Melosh describes a method for sampling RNA and proteins from cells using nanostraws.

Deep subseafloor microbial life

Deep subseafloor microbial life

September 10, 2018

Victoria Orphan and Elizabeth Trembath-Reichert discuss microbial life in the deep subseafloor.

Origins of bread

Origins of bread

August 20, 2018

Amaia Arranz-Otaegui describes the discovery of bread that far pre-dates agriculture.