Astrophysics Knowns and Unknowns

12/20/16 A guide to fundamentals of astrophyics at a time of many exciting --and sometimes puzzling-- discoveries. Priyamvada Natarajan

The Grand Geometry of Nature

09/18/12 As these mathematicians explain, with numerous examples, the deepest truths of Nature are mathematical. Tom Mrowka and Gigliola Staffilani

Sustaining Life: Biodiversity and Human Health

06/07/11 Aaron Bernstein, M.D, MPH and author explains how the unprecedented loss of biodiversity impacts human health.

Enigmas of Life: Getting It Started and Becoming Complex

08/09/16 An investigation of the two major questions about the origin of life, and their relevance in search for life elsewhere in the universe. Zachary Adam

Communicating Climate Change Through Science and Technology

04/25/17 Some ways to show how marine organisms actually experience climate change. Brian Helmuth

Atmosphere: Earth and Elsewhere

04/25/17 What an atmosphere is, what it does, how it changes --on Earth, elsewhere in our solar system and beyond. Daniel Cziczo

An Update on Those "Forever" Chemicals

10-17-23 WGBH Forum Network webinar PFAS, a group of chemicals added to many everyday products, became a concern years ago among medical researchers, but governmental agencies were slow to impose regulations. Philippe Grandjean

How Effective Are Vitamin D Supplements?

04/23/24 Promoted for years as a means to strengthen bones and lower risk of multiple diseases, improved studies by JoAnn Manson and others revealed that Vitamin D supplements were not very effective at all. Natural sources, including sunshine, are much better. It’s important to understand why. JoAnn Manson

Renewable Energy Progress --Despite Resistance from the Fossil Fuel Industry

11/10/15 What we can do to speed up the transition to renewable energy, despite Big Oil's well funded resistance. Jeff Deyette

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

Today's Featured Contributors

Featured Author

Philip Warburg

Philip Warburg's books on renewable energy represent the views of diverse people and groups.

Featured Guest

Andrew Knoll, Ph.D.

An international expert on the interdependence of the evolution of early life and the young Earth