Looking for Signatures of Life on Mars

03/17/15 Was there ever life on Mars? How do scientists search for and analyze possible clues? Roger Summons

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

Our Robots, Ourselves

02/10/16 The author of "Our Robots, Ourselves" discusses the limits of robot autonomy. David Mindell

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.

Understanding Coastal Ecosystems

06/18/15 A visit to the Helmuth Lab at NEU's Marine Science Center to learn how scientists investigate effects of changing climate on coastal ecosystems. Brian Helmuth

The Role of Oceans in Climate

06/16/15 A visit to Woods Hole Oceanographic Institution to learn how researchers investigate the dynamic relationship between oceans and climate. Amala Mahadevan

How TB Bacteria Evade Treatment

12/10/13 TB cells do not all respond to antibiotics. Discovering why is the key to effective treatment. Bree Aldridge

Real Public Health Is More Than Just Healthcare

01-23-24 GBH Forum Network webinar (1 PM ET). In his newest book, Sandro Galea emphasizes that the field of public health is committed as much to preventing disease as to treating it. Public health includes the social factors that frame our lives. To develop a foundation for better health requires a rational policy dialogue. Sandro Galea

Energy Revolution!

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

Distinguishing Scientific Facts from Disinformation and Distortion

04/05/22 How can we distinguish scientific facts from disinformation? This Union of Concerned Scientists writer battles distortion on a regular basis. Elliott Negin

Today's Featured Contributors

Featured Author

Mario Livio, Ph.D.

A well known astrophysicist who is also gifted at making science and mathematics accessible to the general public

Featured Guest

Hali Kilbourne, Ph.D.

A paleoceanographer who uses the ocean's historical climate markers to compare with contemporary data for the development of more accurate climate models.