How Solar Systems Form: Puzzles and Possibilities

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

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 Mystery of Animal Migration

09/17/24 How migratory creatures navigate so accurately to their seasonal destinations, sometimes thousands of miles away, is still often a mystery. What do scientists know, and what are they still trying to discover? Charles Walcott

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.

Corporate Science and Genetically Modified Foods

04/15/15 A leading expert and author on the issue of genetically modified foods explains the corporate resistance to labeling GM foods. Sheldon Krimsky

They Didn't Believe It! Plate Tectonics, Foundation of Earth Systems

02/29/20 It took almost a century to determine if and how continents moved (continental drift). In the 1960s irrefutable evidence showed that tectonic plates caused regular shifts of the planet’s magnetic polarity, volcanoes and earthquakes -and the drift of continents.

How Environmental Pollutants Impair Brain Development

04/08/14 A world authority on how environmental toxins affect brain development brings the evidence to the general public. Philippe Grandjean

Nanotechnology in Medicine

04/20/17 A tour of some innovative medical nano-devices at the Tufts University Nano Lab. Sameer Sonkusale

Designing Sustainable Urban Development

11/25/19 How the world-class Sustainable Design Lab at MIT combines architecture, engineering, physics --and creative genius-- to design the optimal urban environment. Christoph Reinhart

The D-Lab at MIT: The People's Engineering Team

05/29/13 The award-winning D-Lab's unique approach to improving lives in the poorest nations. Amy Smith

Today's Featured Contributors

Featured Author

Charles Langmuir, Ph.D.

A major text on the deep relationship between life and planetary environment

Featured Guest

Richard B. Primack, PhD

A reknowned conservation scientist and a prolific author