Reconstructing the Evolution of Stars

01/24/17 How astronomers read the evolution of the universe through the chemistry of the stars. Robert Simcoe

Is Earth Exceptional?

02/18/25 Is there life beyond Earth? So far, despite the discovery that there are billions of planets in our galaxy, and our increasingly sophisticated probes for life, we still don’t know. Life and the conditions for its emergence are both very complex phenomena. Mario Livio

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

Art and Nature: A Special Exhibit

08/30/18 Boston-area artists Susan Heideman and Michelle Lougee discuss their fascinating exhibit, "The Life of Forms."

Sustainability Science: Biodiversity and Community

10/15/13 A distinguished ecologist talks about his new book on the Himalayas, his research, and the ATREE Institute that he founded. Kamal Bawa

The Vital Role of Seagrass in Marine Ecosystems

01/10/17 A fascinating look at the vital role of seagrass in marine ecosystems............ Barnabas Daru

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

The War on Science: What We Need to Do

11/27/18 The anti-science mentality and policies threaten public health, environment, and safety --and also our progress in many scientific fields. What we need to do. Andrew Rosenberg

Hard Facts about Carbon Capture and Storage

05/18/22 Just how effective is Carbon Capture and Storage (CCS), the much-promoted solution to the excess atmospheric CO2 from fossil fuels? June Sekera and Neva Goodwin

Today's Featured Contributors

Featured Author

H. William Detrich, Ph.D.

Two textbooks by an international expert on Arctic biology and genetics

Featured Guest

Mehmet Toner, Ph.D.

An international leader in cryopreservation, the field of organ-and-tissue preservation methods, essential for modern medicine