The Formation of Stars and Planets

09/15/15 How stars and their planetary systems form, and what the New Horizons mission to Pluto will reveal about the "fossil record" of our own solar system. Scott J. Kenyon

Explaining and Measuring the Expanding Universe

08/28/20 The universe is expanding at an incredible rate, and dark energy is thought to be the cause. Astronomers observe and measure this mystery with very sophisticated equipment. Paul Martini

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

Earth and Humans: A Planetary Perspective

05/06/14 A distinguished authority on Earth's geochemical systems explains the deep relationship between life and planetary environment. Charles Langmuir

Effects of Climate Change on New England’s Forests

01/15/20 The detailed study of New England forests helps to predict the impact of decreasing snowpacks and rising temperatures ecosystems.. Pamela Templer

Social Media and Mental Health

02/21/23 There is increasing concern about the impact of social media on mental health, especially among young people. What causes this problem and how should it be addressed? Jacqueline Sperling

Breakthrough in Antibiotics Resistance

03/24/15 An ingenious solution to the crisis of ineffective antibiotics is making headlines. Kim Lewis

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

Alan Jasanoff, Ph.D.

An important discussion of why the brain must be considered within its physical, natural, and social environment

Featured Guest

Mercedes Lopez-Morales, Ph.D.

A astrophysicist who investigates the atmospheres of planets outside our solar system