Reconstructing the Evolution of Stars

01/24/17 How astronomers read the evolution of the universe through the chemistry of the stars. Robert Simcoe

Is Earth Exceptional?

02/18/25 Is there life beyond Earth? So far, despite the discovery that there are billions of planets in our galaxy, and our increasingly sophisticated probes for life, we still don’t know. Life and the conditions for its emergence are both very complex phenomena. Mario Livio

Using Genetics to Trace Human History

07/08/16 An explanation of how modern genetics analysis confirms ancient human migrations, such as the Indo-Europeans. Nick Patterson

Cell Architecture: Self-Organization and Scaling

10/08/19 A cell's size and the proportions of its components are strictly determined, but where do the rules come from? Scientists are still trying to figure that out. Jané Kondev

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

Who Funds the FDA - And Why Does It Matter?

06/07/22 An increasing percentage of the Food and Drug Agency's funding comes from the pharmaceutical industry. How does this arrangement affect the agency in general and the approval of new medications in particular? Aaron Kesselheim

Harnessing the Bioelectric Potential of Cells for Regeneration

02/21/12 Can bioelectric signals in cells be exploited for regeneration of limbs and tissue? This is an important area of medical research. Michael Levin

Public Acceptance of Wind Energy in Massachusetts: Factors, Implications

05/14/13 Why public acceptance of wind power can differ from one community to another. Maria Petrova

Cooler Smarter

06/28/12 A co-author of the new book from the Union of Concerned Scientists describes how individuals can substantially reduce their carbon footprints while creating a healthy lifestyle...Jeff Deyette

Today's Featured Contributors

Featured Author

Mario Livio, Ph.D.

A well known astrophysicist who is also gifted at making science and mathematics accessible to the general public

Featured Guest

Naomi Oreskes, Ph.D.

A geologist and outstandiing science historian who has shown how corporate disinformation campaigns mislead the public