Science Speculations: Time Travel

03/15/18 How realistic is the time-travel concept and how would time machines work? David Toomey

How Solar Systems Form: Puzzles and Possibilities

03/11/14 Astronomer Joan Najita explains the challenge of understanding how planetary systems are created.

The Potential Uses of Deep-Sea Microbes

09/24/15 A leader in the study of exotic microbes at hydrothermal vents explains the significance and the potential of these life forms. Peter Girguis

The Biological Mind

03/27/18 The "mind" is not an isolated entity; it is connected to a physical-social environment. Alan Jasanoff

New Paradigms of Conservation

07/12/16 How a combination of innovative conservation techniques and involvement of local villages is combating damage in the Himalayas. Kamal Bawa

The Science of Clouds and Climate

03/21/15 The Cziczo Lab at MIT investigates the particles that form clouds and the vital role of clouds in climate change. Daniel Cziczo

Long-Term Health Threats of BPA and Other Endocrine Disruptors

08/21/12 Endocrine disruptors such as BPA cause developmental problems and disease. How does this damage occur? Ana Soto and Carlos Sonnenschein

Nanotechnology Advances for Healthcare and Environment

05/08/18 Truly innovative research: nano-tech devices for medicine and environment. Sameer Sonkusale

Carbon Capture and Storage Will Not Reduce Global Warming

02/09/24 GBH Forum Network webinar (noon ET) The extreme level of atmospheric CO2 is well beyond a “capture and storage/sequestration” solution, yet the hype persists that some clever extraction innovation will resolve the problem. Charles Harvey

Energy Revolution!

05/21/15 Conversion to wind and solar power is entirely possible now in the U.S. Mara Prentiss

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

Tereasa Brainerd, PhD

An astrophysicist whose work focuses on dark matter halos, satellite galaxies and gravitational lensing