PNAS Science Sessions
Climate change and global economic inequality

Climate change and global economic inequality

June 10, 2019

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

Bacterial symbiosis with bobtail squid

Bacterial symbiosis with bobtail squid

May 28, 2019

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

Aftermath of Chicxulub asteroid

Aftermath of Chicxulub asteroid

May 13, 2019

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

Immigration and economic mobility

Immigration and economic mobility

April 29, 2019

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

Parenting and STEM careers

Parenting and STEM careers

April 15, 2019

Erin Cech discusses parenting and gender disparities among STEM professionals.

Tracing the origin of Europe’s megaliths

Tracing the origin of Europe’s megaliths

March 28, 2019

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

Pollution across borders

Pollution across borders

March 18, 2019

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

Unraveling hagfish evolution

Unraveling hagfish evolution

February 28, 2019

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

Climate change and forest diversity

Climate change and forest diversity

February 19, 2019

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

Network theory and climate change

Network theory and climate change

January 31, 2019

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