Mathematics and the Multiverse

05/20/14 Max Tegmark discusses the topic of his book: the multiverse and the mathematical nature of reality.

The Core of the Moon

05/09/12 Did the ancient moon have a magnetic field like Earth's? And why do scientists need to know? Benjamin Weiss

Microbial Ecosystems: The Foundation of Life on Earth

06/01/23 Although all life depends on microbial ecosystems, there are many unknowns about the mechanisms by which these ecosystems develop and evolve in diverse environments. Otto Cordero

Conservation Lessons from Ice-Age Extinctions

04/26/11 Was there a human factor in the Ice Age extinctions of large mammals? ............ Sharon Levy

How Glaciers Affect Earth and Climate

05/16/17 An important explanation of the relationship between glacial cycles and climate change. Jack Ridge

Solar Geoengineering: What You Need to Know

09/24/24 WGBH Forum Network webinar, The alarming increase in global warming has stimulated interest in solar geoengineering, a means of shading the planet --but not a means of reducing the source of warming, the excessive CO2 and methane in the atmosphere. Daniel Cziczo

The World Health Organization: Lifeline for the World's Children

09/08/20 A distinguished physician-researcher explains the many threats to children's health all over the world, and how millions of young lives are saved by the W.H.O. Davidson Hamer, M.D.

See What I Mean? Visualizing in Science

12/11/12 Visual representation is essential for the communication of science concepts and data. Bang Wong

Carbon Capture and Conversion

07/19/21 A carbon capture innovation that can produce useful, products, including non-polluting transportation fuels. Sami Khan

Innovations in Clean Water Technology

12/20/11 Desalination offers a solution to the water shortage problem... John Lienhard V

Today's Featured Contributors

Featured Author

Robert Pollin, Ph.D.

This book is essential reading for a real understanding of the relationship between our economic system and the global climate crisis.

Featured Guest

Sandro Galea, MD, DrPH

A distinguished physician-public health scientist who emphasizes the context of health: the economic, social, environmental factors that affect an individual's well-being in addition to the biological factors.