They Didn't Believe It! The Atom

11/07/19 Science for the Public mini-series : They Didn't Believe It! Brief stories about science discoveries that were very slow to be accepted

The Geometric Basis of Structure and Motion

11/13/18 Structures and motions are governed by geometric rules. Ileana Streinu and Ciprian S. Borcea

Biodiversity in the Sixth Mass Extinction

03/19/24 A prominent biologist explains the crucial importance of biodiversity for life on Earth, and how the sixth mass extinction fractures that stability. Michael Reed.

Human Language, Animal Communication

04/26/21 The evolution of the human language apparatus, comparison of human language and animal communication, and explanation of the Neanderthal language controversy. Philip Lieberman

Plankton: The Humble Base of the Ocean Ecosystem

02/14/17 Ancient diatom fossils provide clues to the adaptability of these vital organisms in the deep past, and can help predict plankton survival in the present climate change. Christopher Bowler

Earthquakes and Tsunamis

04/12/16 How ocean earthquakes generate tsunamis --and where tsunamis can occur. John Ebel

A Wearable Brain-Stimulation Device

03/22/21 Designing a wearable device to study brain function and dysfunction, with a goal of precise therapeutic interventions to treat neurodegenerative diseases Shawn Kelly

Environmental Contaminants and Autism

07/23/13 Determining the relationship between environmental contaminants and the global increase in autism. Marc Weisskopf

The Urban Future: On Earth...and Elsewhere

12/05/23 GBH Forum Network webinar (noon). By 2050, some 75 percent of the world population will live in cities. Future urban design will emphasize not only innovative architecture and engineering, but optimal environmental and social aspects of city dwelling also. The urban future might also include settlements beyond Earth. Justin Hollander

Power Plants and the Freshwater Crisis

06/25/13 The cooling systems of power plants use an enormous percentage of our diminishing freshwater supply. What's the solution? John Rogers

Today's Featured Contributors

Featured Author

Philippe Grandjean, D.M.Sc., M.D.

A world authority on how environmental toxins affect brain development brings the evidence to the general public in this book.

Featured Guest

Joan Najita, PhD

A leading researcher on stellar disk formation discusses what astronomers now know --and don't know-- about the formation of solar systems