PNAS Science Sessions

Climate change and global economic inequality 11.06.2019 5:46 ↓

Noah Diffenbaugh and Marshall Burke discuss how global warming impacts economies and income inequality.   

Bacterial symbiosis with bobtail squid 11.06.2019 6:55 ↓

Margaret McFall-Ngai describes how a symbiont bacterium affects a host cephalopod.

Aftermath of Chicxulub asteroid 11.06.2019 13:51 ↓

A paleontological site preserves the immediate aftermath of the asteroid impact that may have caused a global mass extinction.

Immigration and economic mobility 11.06.2019 6:19 ↓

Thor Berger and Per Engzell explore connections between European immigration and present-day economic mobility in the US.

Parenting and STEM careers 11.06.2019 9:02 ↓

Erin Cech discusses parenting and gender disparities among STEM professionals.

Tracing the origin of Europe's megaliths 11.06.2019 6:30 ↓

Bettina Schulz Paulsson explains the origin and spread of Europe's megaliths, including Stonehenge.

Pollution across borders 11.06.2019 5:44 ↓

Daven Henze discusses how air pollution spreads across the globe and what policymakers are doing in response.

Unraveling hagfish evolution 11.06.2019 7:23 ↓

Tetsuto Miyashita describes how the hagfish helps define the vertebrate tree of life.

Climate change and forest diversity 11.06.2019 6:04 ↓

Daniel Wieczynski and Van Savage show how climate affects the diversity of forests.

Network theory and climate change 11.06.2019 5:39 ↓

Jingfang Fan explains what network theory can reveal about climate systems.

Quantum computing 11.06.2019 6:11 ↓

Christopher Monroe discusses recent developments in quantum computing.

Fur grooming in cats 11.06.2019 5:39 ↓

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

Biodiversity loss in Haiti 11.06.2019 5:43 ↓

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

Mapping the galactic plane in X-rays 11.06.2019 7:27 ↓

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

Ancient Maya salt industry 11.06.2019 6:09 ↓

Heather McKillop explores the Maya salt industry.

Social mobility across generations 11.06.2019 6:06 ↓

Mike Hout explores the persistence of occupational and socioeconomic standing from parent to child in America.

Paintbrush for butterfly wings 11.06.2019 7:46 ↓

Robert Reed explains genetic controls on butterfly wing colors.

Nondestructive sampling of cell contents 11.06.2019 6:14 ↓

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

Deep subseafloor microbial life 11.06.2019 6:30 ↓

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

Origins of bread 11.06.2019 5:24 ↓

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

Natural selection in sea stars 11.06.2019 5:41 ↓

Lauren Schiebelhut describes natural selection following sea star wasting disease.

Respectfulness in police-community relations 11.06.2019 7:28 ↓

Rob Voigt and Nicholas Camp examine respectfulness in police officers' interactions with community members.

Biodiversity hypothesis 11.06.2019 7:49 ↓

Jenni Lehtimäki and Stefan Reber explore links between animal exposure in upbringing and immune system function.

RNA origin in warm little ponds 11.06.2019 6:18 ↓

Ralph Pudritz and Ben Pearce describe a model of how RNA-based life could have originated on the early Earth.

Manipulation of ant behavior by parasites 11.06.2019 5:38 ↓

David Hughes discusses how a parasitic fungus manipulates ant behavior for reproduction.